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Dayang Chem (Hangzhou) Co.,Ltd.

As a leading manufacturer and supplier of chemicals in China, DayangChem not only supply popular chemicals, but also DayangChem’s R&D center offer custom synthesis according to the contract research and development services for t

High purity 2,2,6,6-Tetramethylpiperidine 99% TOP1 supplier in China

Cas:768-66-1

Min.Order:100 Gram

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Hangzhou Dingyan Chem Co., Ltd

Analysis tests Standard Results Appearance Colorless to Light yellow liquid Light yellow liquid Content

Top purity 2,2,6,6-Tetramethylpiperidine with high quality and best price cas:768-66-1

Cas:768-66-1

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

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Jinan Finer Chemical Co., Ltd

Product Description Product website: http://www.finerchem.com Product Name 2,2,6,6-Tetramethylpiperidine CAS No. 768-66-1 Appea

2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:1 Gram

FOB Price: $8.0

Type:Lab/Research institutions

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Hefei TNJ chemical industry co.,ltd

Colorless or sight yellow liquid,with boiling point 152-153℃ and Flash point 24℃.It is an important pharmaceutical intermediates. Appearance:Colorless or sight yellow liquid Storage:200kgs/drum Package:200kgs/drum Application:1)It is the intermedia

2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:1 Metric Ton

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Ality Chemical Corporation

The above product is Ality Chemical's strong item with best price, good quality and fast supply. Ality Chemical has been focusing on the research and production of this field for over 14 years. At the same time, we are always committed to providi

Factory Supply 2,2,6,6-tetramethylpiperidine

Cas:768-66-1

Min.Order:1

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Type:Other

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Xi'an Xszo Chem Co., Ltd.

1. Factory price and high quality must be guaranteed, base on 8 years of production and R&D experience2. Free samples will be provided,ensure specifications and quality are right for customer3. Customers will receive the most professional technical s

Factory Price OLED 99% 768-66-1 2,2,6,6-Tetramethylpiperidine Manufacturer

Cas:768-66-1

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Chemwill Asia Co., Ltd.

HTMP 2,2,6,6-Tetramethylpiperidine -- CHemwill

Cas:768-66-1

Min.Order:1 Metric Ton

FOB Price: $1.0

Type:Manufacturers

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Henan Tianfu Chemical Co., Ltd.

Product Name: 2,2,6,6-Tetramethylpiperidine Synonyms: 2,2,6,6-Tetramethylpiperidine(Tmp);2,2,6,6-TetramethyL;2,2,6,6-tetramethyl-piperidin;Norpempidine;2,2,6,6-TETRAMETHYLPIPERIDINE, 99+%;2,2,6,6-Tetramethylpiperidien;TETRAMETHYLPIPERIDINE;Piperid

2,2,6,6-Tetramethylpiperidine 768-66-1

Cas:768-66-1

Min.Order:1 Kilogram

FOB Price: $300.0

Type:Lab/Research institutions

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Zhuozhou Wenxi import and Export Co., Ltd

WITH US,YOUR MONEY IN SAFE,YOUR BUSINESS IN SAFE 1)Quick Response Within 12 hours; 2)Quality Guarantee: All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France et

Best CAS 768-66-1 with competitive price

Cas:768-66-1

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name: 2,2,6,6-Tetramethylpiperidine Synonyms: 2,2,6,6-Tetramethylpiperidine(Tmp);2,2,6,6-tetramethyl-piperidin;Norpempidine;2,2,6,6-TETRAMETHYLPIPERIDINE, 99+%;2,2,6,6-Tetramethylpiperidien;TETRAMET

2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.No Less 8 years exporting experience. Clients can 100% received goods 2.Lower Price with higher quality 3,Free sample 4,We are sincerely responsible for the "product quality" and "After Service" Upbio is Specialized

2,2,6,6-Tetramethylpiperidine 768-66-1

Cas:768-66-1

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

2,2,6,6-Tetramethylpiperidine Basic information Product Name: 2,2,6,6-Tetramethylpiperidine Synonyms: HTMP;2,2,6,6-TETRAMETHYLPIPERIDINE;2,2,6,6-tetramethyl-piperidin;Norpempidine;2,2,6,6-TETRAMETHYLPIPERIDINE, 99+%;2,2,6,6-Tetramethylpiperidien;

2,2,6,6-Tetramethylpiperidine 768-66-1 The best in China

Cas:768-66-1

Min.Order:1 Kilogram

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Qingdao Beluga Import and Export Co., LTD

2,2,6,6-Tetramethylpiperidine CAS:768-66-1 Qingdao Belugas Import and Export Co., Ltd. is a scientific and technological company integrating research and development, production and trade of chemical intermediates, specializing in high quality organ

2,2,6,6-Tetramethylpiperidine CAS:768-66-1

Cas:768-66-1

Min.Order:1 Gram

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Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, dear friend! I'm Hansen and Allen from China. Welcome to my lookchem mall! The following is a brief introduction of our company's products and services. If you are interested in our products, please contact us by emai

2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:1 Kilogram

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Henan Wentao Chemical Product Co., Ltd.

Henan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod

CAS NO.:768-66-1

Cas:768-66-1

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

Our advantages: 1. All inquiries will be replied within 12 hours. 2. Dedication to quality, supply & service. 3. Strictly on selecting raw materials. 4. Reasonable & competitive price, fast lead time. 5. Sample is available for your eva

2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

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Hangzhou Keyingchem Co.,Ltd

Hangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det

2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:0 Metric Ton

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Hangzhou J&H Chemical Co., Ltd.

J&H CHEM R&D center can offer custom synthesis according to the contract research and development services for the fine chemicals, pharmaceutical, biotechnique and some of the other chemicals. J&H CHEM has some Manufacturing base in Jia

Tetramethylpiperidine

Cas:768-66-1

Min.Order:0

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SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

2,2,6,6-tetramethylpiperidine

Cas:768-66-1

Min.Order:4 Kilogram

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Hangzhou Lingrui Chemical Co.,Ltd.

High purity 768-66-1 Best price 2,2,6,6-Tetramethylpiperidine melting point -59°C boiling point 152°C (lit.) density 0.837 g/mL at 25°C (lit.) Vapor pressure 14 hPa (39 °C) ref

High purity 768-66-1 Best price 2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:1 Gram

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Type:Other

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Shaanxi Cuicheng Biomedical Technology Co., Ltd.

Why Choose Us: 1. Factory direct sales, so we can provide the competitive price and high quality product base on 8 years of production and R&D experience. 2. It is available in stock for quick shipment.Products could be packaged according to cu

2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:1 Gram

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Type:Other

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Shanghai Massive Chemical Technology Co., Ltd.

Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and

2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:1 Gram

FOB Price: $1.0

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SHANGHAI SYSTEAM BIOCHEM CO., LTD

We are one of a few suppliers that can offer custom synthesis service of this product We are specialized in custom synthesis, chemical/pharmaceutical/ pesticides outsourcing and contract research. We are committed to prov

2,2,6,6-Tetramethylpiperidine CAS NO.: 768-66-1

Cas:768-66-1

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

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Siwei Development Group Ltd.

Product name: 2,2,6,6-Tetramethylpiperidine CAS No.: 768-66-1 Molecule Formula:C9H20N Molecule Weight:142.26 Purity: 99.0% Package: 200kg/drum Description:Colorless or light yellow liquid Manufacture Standards:Enterprise Standard

Lower Price 2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:1 Kilogram

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Type:Trading Company

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Zibo Dorne chemical technology co. LTD

Product Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,

2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:1 Kilogram

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HANGZHOU TIANYE CHEMICALS CO., LTD.

We product this chemical more than 10 years . We are very experience to export it to many countries, Our superior & stable quality , competitive price gain warm reception from our customers. Product Name:2,2,6,6-Tetramethylpiperidine CAS No:7

2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:1 Gram

Negotiable

Type:Trading Company

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Xiamen Jenny Chemical Technology Co., Ltd.

GMP standard, high purity, competitive price, in stock 1. Quick Response: within 6 hours after receiving your email. 2. Quality Guarantee: All products are strictly tested by our QC, confirmed by QA, and approved by a third-party lab in China, USA,

2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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EAST CHEMSOURCES LIMITED

factory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B

2,2,6,6-Tetramethylpiperidine CAS NO.: 768-66-1

Cas:768-66-1

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

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Hangzhou Huarong Pharm Co., Ltd.

We Huarong Pharm can provide Customized Synthesis & Process R&D & APIs and intermediates Production & Quality Research & Registration Application, especially our GMP validation service which complies with SFDA, FDA, WHO and EU EMPA. O

2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:0

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Type:Trading Company

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Shandong Mopai Biotechnology Co., LTD

Shandong Mopai Biotechnology Co., LTD is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemicals. W

2,2,6,6-Tetramethylpiperidine

Cas:768-66-1

Min.Order:1 Gram

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Type:Lab/Research institutions

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Synthetic route

2,2,6,6-Tetramethyl-4-piperidone
826-36-8

2,2,6,6-Tetramethyl-4-piperidone

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

Conditions
ConditionsYield
With hydrogenchloride; hydrogen; platinum(IV) oxide under 1.5 Torr; for 40h;100%
With potassium hydroxide; hydrazine hydrate In diethylene glycol at 210℃; Wolff-Kishner-Huang reduction;83%
With potassium hydroxide; hydrazine In water; diethylene glycol at 127 - 200℃; Wolff-Kishner reduction;82%
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

[diphenyl-(2,2,6,6-tetramethyl-piperidin-1-yloxycarbonyl)-methylperoxy]-diphenyl-acetic acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

[diphenyl-(2,2,6,6-tetramethyl-piperidin-1-yloxycarbonyl)-methylperoxy]-diphenyl-acetic acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

benzophenone
119-61-9

benzophenone

C

1-benzyloxy-2,2,6,6-tetramethylpiperidine
102261-92-7

1-benzyloxy-2,2,6,6-tetramethylpiperidine

Conditions
ConditionsYield
In toluene at 100℃; for 8h; Rate constant; Thermodynamic data; ΔH(excit.), ΔS(excit.);A 90%
B 95%
C 92%
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

4-tolylacetic acid
622-47-9

4-tolylacetic acid

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

C18H27NO3

C18H27NO3

Conditions
ConditionsYield
Stage #1: 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; 4-tolylacetic acid With N4,N4,N7,N7-tetramethyl-1,10-phenanthroline-4,7-diamine; iron(II) acetate In tetrahydrofuran at 60℃; for 96h; Molecular sieve; Inert atmosphere;
Stage #2: With triethylamine In acetone Kinetics; Reagent/catalyst; Solvent;
A n/a
B 90%
triacetone-amine hydrate

triacetone-amine hydrate

platinum (IV) oxide monohydrate

platinum (IV) oxide monohydrate

N-methyl-2,2,6,6-tetramethylpiperidone

N-methyl-2,2,6,6-tetramethylpiperidone

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

Conditions
ConditionsYield
In sulfuric acid; water89.6%
2,3-bis(trimethylsilyl)-1,3-butadiene-1,4-dione
145178-53-6

2,3-bis(trimethylsilyl)-1,3-butadiene-1,4-dione

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

1-benzyloxy-2,2,6,6-tetramethylpiperidine
102261-92-7

1-benzyloxy-2,2,6,6-tetramethylpiperidine

C

bis(trimethylsilyl) maleic anhydride

bis(trimethylsilyl) maleic anhydride

Conditions
ConditionsYield
With 2,2,6,6-tetramethyl-piperidine-N-oxyl In toluene at 90℃; for 3h;A 85%
B 76%
C 80%
2-iodo-2’-[(4-methoxyphenyl)ethynyl]-1,1’-biphenyl

2-iodo-2’-[(4-methoxyphenyl)ethynyl]-1,1’-biphenyl

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

9H,9′H-[9,9′-bifluorene]-9,9′-diylbis((4-methoxyphenyl)methanone)

9H,9′H-[9,9′-bifluorene]-9,9′-diylbis((4-methoxyphenyl)methanone)

Conditions
ConditionsYield
With 4-methoxy-9H-thioxanthen-9-one; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical In dichloromethane; acetone at 20℃; for 48h; Reagent/catalyst; Solvent; Sealed tube; Irradiation; Inert atmosphere;A n/a
B 84%
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

Conditions
ConditionsYield
With tert-Butyl peroxybenzoate; 1-cyano-1,2-benziodoxol-3-(1H)-one at 110℃; for 12h; Inert atmosphere; Glovebox;76%
With thiophosgene at 20℃; for 24h;37%
Multi-step reaction with 2 steps
1: 1) FClO3, BF3*(C2H5)2O / 1) hexane, 0 deg C
2: 1) FClO3, BF3*(C2H5)2O / 1) hexane, 0 deg C
View Scheme
toluene
108-88-3

toluene

N-triphenylacetoxy-2,2,6,6-tetramethylpiperidine
618453-08-0

N-triphenylacetoxy-2,2,6,6-tetramethylpiperidine

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

1,1,1,2-tetraphenylethane
2294-94-2

1,1,1,2-tetraphenylethane

Conditions
ConditionsYield
at 146℃; for 40h;A 78 % Chromat.
B 74%
2,2,6,6-tetramethyl-piperidine-N-oxyl
2564-83-2

2,2,6,6-tetramethyl-piperidine-N-oxyl

(hydrotris-(3,5-dimethylpyrazolyl)borate)2U(benzophenone)

(hydrotris-(3,5-dimethylpyrazolyl)borate)2U(benzophenone)

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

benzophenone
119-61-9

benzophenone

C

(hydrotris(3,5-dimethylpyrazolyl)borate)2(uranium(IV))(O)

(hydrotris(3,5-dimethylpyrazolyl)borate)2(uranium(IV))(O)

Conditions
ConditionsYield
In tetrahydrofuran for 0.0833333h; Inert atmosphere; Schlenk technique;A n/a
B n/a
C 72%
2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-hept-6-enoic acid 2,2,6,6-tetramethyl-piperidin-1-yl ester
366818-95-3

2-(2,2,6,6-tetramethyl-piperidin-1-yloxy)-hept-6-enoic acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

2-(2,2,6,6-tetramethyl-piperidin-1-yloxymethyl)-cyclopentanecarboxylic acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

2-(2,2,6,6-tetramethyl-piperidin-1-yloxymethyl)-cyclopentanecarboxylic acid 2,2,6,6-tetramethyl-piperidin-1-yl ester

Conditions
ConditionsYield
In tert-butyl alcohol at 130℃; for 24h;A 8%
B 70%
2,2,6,6-Tetramethyl-4-piperidone
826-36-8

2,2,6,6-Tetramethyl-4-piperidone

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

4-hydroxy-2,2,6,6-tetramethylpiperidine

Conditions
ConditionsYield
With sulfuric acid at 25 - 30℃; for 4h; diapraghm electrolyzer, Cd cathode, concentration of II 0.65 mol/l;A 66.1%
B 20%
With sulfuric acid at 25 - 30℃; for 4h; diapraghm electrolyzer, Cd cathode, concentration of II 1.3 mol/l;A 27.7%
B 54.6%
With sulfuric acid at 24.85 - 29.85℃; Product distribution; Mechanism; electrochemical reduction (Cd or Pb cathodes, i=100 mA/cn2); var. reagents and temp.;
2,2,6,6-tetramethylpiperidin-1-ol
7031-93-8

2,2,6,6-tetramethylpiperidin-1-ol

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

Conditions
ConditionsYield
In diethyl ether; acetonitrile at 20℃; for 8h; Inert atmosphere; Schlenk technique; Sealed tube;A n/a
B 64%
at 70℃; for 2h; Schlenk technique; Inert atmosphere;A 32 %Chromat.
B 67 %Chromat.
chloro(diphenylmethyl)(2,2,6,6-tetramethylpiperidino)borane
104172-64-7

chloro(diphenylmethyl)(2,2,6,6-tetramethylpiperidino)borane

2,2,6,6-tetramethylpiperidinyl-lithium
38227-87-1

2,2,6,6-tetramethylpiperidinyl-lithium

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

benzyl(diphenylmethyl)(2,2,6,6-tetramethylpiperidino)borane
105309-74-8

benzyl(diphenylmethyl)(2,2,6,6-tetramethylpiperidino)borane

Conditions
ConditionsYield
In toluene byproducts: LiCl; addn. of the lithiopiperidine in toluene to the borane in toluene and refluxing for 3 h; filtn. (LiCl), concn. (high vac.), distn. (vac.) and recrystn. from ether; elem. anal.;A n/a
B 63%
para-iodoanisole
696-62-8

para-iodoanisole

[Li(μ-2,2,6,6-tetramethylpiperidide)(μ-bis[2-(N,N-dimethylamino)ethyl]ether)Al(isobutyl)2]

[Li(μ-2,2,6,6-tetramethylpiperidide)(μ-bis[2-(N,N-dimethylamino)ethyl]ether)Al(isobutyl)2]

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

C15H26N2O2

C15H26N2O2

Conditions
ConditionsYield
Stage #1: [Li(μ-2,2,6,6-tetramethylpiperidide)(μ-bis[2-(N,N-dimethylamino)ethyl]ether)Al(isobutyl)2] With zinc diacetate In tetrahydrofuran Inert atmosphere;
Stage #2: para-iodoanisole With dicyclohexyl-(2',6'-dimethoxybiphenyl-2-yl)-phosphane; palladium diacetate In tetrahydrofuran Inert atmosphere;
A n/a
B 62%
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

bis(4-tert-butylphenyl)disulfide
7605-48-3

bis(4-tert-butylphenyl)disulfide

C

2,2,6,6-tetramethylpiperidinium p-tert-butylbenzenesulphinate

2,2,6,6-tetramethylpiperidinium p-tert-butylbenzenesulphinate

D

2,2,6,6-tetarmethylpiperidinium p-tert-butylbenzenesulphonate

2,2,6,6-tetarmethylpiperidinium p-tert-butylbenzenesulphonate

Conditions
ConditionsYield
With 4-t-butylbenzenethiol In benzene for 0.5h; Ambient temperature; Further byproducts given;A 10%
B 10%
C 9%
D 56%
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

4-t-butylbenzenethiol
2396-68-1

4-t-butylbenzenethiol

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

bis(4-tert-butylphenyl)disulfide
7605-48-3

bis(4-tert-butylphenyl)disulfide

C

2,2,6,6-tetramethylpiperidinium p-tert-butylbenzenesulphinate

2,2,6,6-tetramethylpiperidinium p-tert-butylbenzenesulphinate

D

2,2,6,6-tetarmethylpiperidinium p-tert-butylbenzenesulphonate

2,2,6,6-tetarmethylpiperidinium p-tert-butylbenzenesulphonate

Conditions
ConditionsYield
In benzene for 0.5h; Ambient temperature; Further byproducts given;A 10%
B 10%
C 9%
D 56%
4-t-butylbenzenethiol
2396-68-1

4-t-butylbenzenethiol

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

bis(4-tert-butylphenyl)disulfide
7605-48-3

bis(4-tert-butylphenyl)disulfide

C

2,2,6,6-tetramethylpiperidinium p-tert-butylbenzenesulphinate

2,2,6,6-tetramethylpiperidinium p-tert-butylbenzenesulphinate

D

2,2,6,6-tetarmethylpiperidinium p-tert-butylbenzenesulphonate

2,2,6,6-tetarmethylpiperidinium p-tert-butylbenzenesulphonate

Conditions
ConditionsYield
With 2,2,6,6-tetramethyl-piperidine-N-oxyl In benzene for 0.5h; Ambient temperature; Further byproducts given;A 10%
B 10%
C 9%
D 56%
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

2,2,6,6-tetramethylpiperidin-1-ol
7031-93-8

2,2,6,6-tetramethylpiperidin-1-ol

Conditions
ConditionsYield
With tris-(trimethylsilyl)silane In benzene at 80℃; for 3h; Product distribution; Mechanism; other reagents, reaction time, solvent, effect of irradiation and addition of initiators;A 56%
B 41%
1,2,2,6,6-pentamethylpiperidine
79-55-0

1,2,2,6,6-pentamethylpiperidine

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

2,2,6,6-tetramethylpiperidine-1-carboxaldehyde
54262-97-4

2,2,6,6-tetramethylpiperidine-1-carboxaldehyde

Conditions
ConditionsYield
With ruthenium tetroxide In tetrachloromethane for 2h;A 4%
B 53%
With 1,4-dimethylnaphtalene-1,4-endoperoxide In acetonitrile at 40℃; for 4h; Product distribution; Kinetics;A 23 % Chromat.
B 1.2 % Chromat.
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

thiophenol
108-98-5

thiophenol

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

diphenyldisulfane
882-33-7

diphenyldisulfane

C

2,2,6,6-tetramethylpiperidinium benzenesulphinate

2,2,6,6-tetramethylpiperidinium benzenesulphinate

D

2,2,6,6-tetarmethylpiperidinium benzenesulphonate

2,2,6,6-tetarmethylpiperidinium benzenesulphonate

Conditions
ConditionsYield
In benzene for 0.5h; Ambient temperature; Further byproducts given;A 9%
B 8%
C 14%
D 49%
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

thiophenol
108-98-5

thiophenol

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

N-benzenesulphinyl-2,2,6,6-tetramethylpiperidine

N-benzenesulphinyl-2,2,6,6-tetramethylpiperidine

C

2,2,6,6-tetramethylpiperidinium benzenesulphinate

2,2,6,6-tetramethylpiperidinium benzenesulphinate

D

2,2,6,6-tetarmethylpiperidinium benzenesulphonate

2,2,6,6-tetarmethylpiperidinium benzenesulphonate

Conditions
ConditionsYield
In benzene for 0.5h; Ambient temperature; Further byproducts given;A 9%
B 5%
C 14%
D 49%
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

thiophenol
108-98-5

thiophenol

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

N-benzenesulphonyl-2,2,6,6-tetramethylpiperidine

N-benzenesulphonyl-2,2,6,6-tetramethylpiperidine

C

2,2,6,6-tetramethylpiperidinium benzenesulphinate

2,2,6,6-tetramethylpiperidinium benzenesulphinate

D

2,2,6,6-tetarmethylpiperidinium benzenesulphonate

2,2,6,6-tetarmethylpiperidinium benzenesulphonate

Conditions
ConditionsYield
In benzene for 0.5h; Ambient temperature; Further byproducts given;A 9%
B 7%
C 14%
D 49%
thiophenol
108-98-5

thiophenol

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

diphenyldisulfane
882-33-7

diphenyldisulfane

C

2,2,6,6-tetramethylpiperidinium benzenesulphinate

2,2,6,6-tetramethylpiperidinium benzenesulphinate

D

2,2,6,6-tetarmethylpiperidinium benzenesulphonate

2,2,6,6-tetarmethylpiperidinium benzenesulphonate

Conditions
ConditionsYield
With 2,2,6,6-tetramethyl-piperidine-N-oxyl In benzene for 0.5h; Ambient temperature; Further byproducts given;A 9%
B 8%
C 14%
D 49%
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

para-thiocresol
106-45-6

para-thiocresol

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

di(p-tolyl) disulfide
103-19-5

di(p-tolyl) disulfide

C

2,2,6,6-tetarmethylpiperidinium p-toluenesulphonate
30680-88-7

2,2,6,6-tetarmethylpiperidinium p-toluenesulphonate

D

2,2,6,6-tetarmethylpiperidinium p-toluenesulphinate

2,2,6,6-tetarmethylpiperidinium p-toluenesulphinate

Conditions
ConditionsYield
In benzene for 0.5h; Ambient temperature; Further byproducts given;A 7%
B 12%
C 47%
D 21%
para-thiocresol
106-45-6

para-thiocresol

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

di(p-tolyl) disulfide
103-19-5

di(p-tolyl) disulfide

C

2,2,6,6-tetarmethylpiperidinium p-toluenesulphonate
30680-88-7

2,2,6,6-tetarmethylpiperidinium p-toluenesulphonate

D

2,2,6,6-tetarmethylpiperidinium p-toluenesulphinate

2,2,6,6-tetarmethylpiperidinium p-toluenesulphinate

Conditions
ConditionsYield
With 2,2,6,6-tetramethyl-piperidine-N-oxyl In benzene for 0.5h; Ambient temperature; Further byproducts given;A 7%
B 12%
C 47%
D 21%
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

1-Ethanesulfonyl-2,2,6,6-tetramethyl-piperidine
131309-38-1

1-Ethanesulfonyl-2,2,6,6-tetramethyl-piperidine

Conditions
ConditionsYield
With ethanethiol In benzene Yields of byproduct given;A 45%
B n/a
1,2,2,6,6-pentamethylpiperidine
79-55-0

1,2,2,6,6-pentamethylpiperidine

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

TEMPO
5132-07-0

TEMPO

C

2,2,6,6-tetramethylpiperidine-1-carboxaldehyde
54262-97-4

2,2,6,6-tetramethylpiperidine-1-carboxaldehyde

Conditions
ConditionsYield
With sodium periodate; ruthenium tetroxide In tetrachloromethane; water for 5h;A 4%
B 7%
C 41%
phenylacetic acid 2,2,6,6-tetramethylpiperidin-1-yl ester
330938-05-1

phenylacetic acid 2,2,6,6-tetramethylpiperidin-1-yl ester

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

phenylacetic acid
103-82-2

phenylacetic acid

Conditions
ConditionsYield
In tert-butyl alcohol at 130℃; for 168h;A 30%
B 35%
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
2564-83-2, 45842-10-2

2,2,6,6-Tetramethyl-1-piperidinyloxy free radical

benzylamine
100-46-9

benzylamine

A

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

B

2,2,6,6-tetramethylpiperidin-1-ol
7031-93-8

2,2,6,6-tetramethylpiperidin-1-ol

C

phenyl(2,2,6,6-tetramethylpiperidin-1-yl)methanone
74601-40-4

phenyl(2,2,6,6-tetramethylpiperidin-1-yl)methanone

Conditions
ConditionsYield
With tert.-butylhydroperoxide; zinc dibromide In pyridine; water at 80℃; for 16h;A n/a
B n/a
C 35%
1,2,2,6,6-pentamethylpiperidine
79-55-0

1,2,2,6,6-pentamethylpiperidine

2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

Conditions
ConditionsYield
With Hg(II)-EDTA28%
With Hg(II)-EDTA Product distribution; other reagent: Hg(OAc)2; also in HCOOH as solvent;28%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

2,2,5,5-tetramethyl-4-(toluene-4-sulfonyloxy)-hexan-3-one
14775-42-9

2,2,5,5-tetramethyl-4-(toluene-4-sulfonyloxy)-hexan-3-one

2-(2,3-Di-tert-butyl-oxiranyl)-4-methyl-benzenesulfonic acid; compound with 2,2,6,6-tetramethyl-piperidine
73333-60-5

2-(2,3-Di-tert-butyl-oxiranyl)-4-methyl-benzenesulfonic acid; compound with 2,2,6,6-tetramethyl-piperidine

Conditions
ConditionsYield
With methyllithium Mechanism;100%
With methyllithium Yield given. Multistep reaction;
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

2,2,6,6-tetramethylpiperidin-1-ol
7031-93-8

2,2,6,6-tetramethylpiperidin-1-ol

Conditions
ConditionsYield
With Oxone; silica gel In water at 80℃; for 24h; Oxidation;100%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

isopentenyl trifluoroacetate

isopentenyl trifluoroacetate

C13H25N

C13H25N

Conditions
ConditionsYield
With C36H47Cl2N2P2PdTi(2+) In chloroform-d1 at 20℃; for 0.0833333h; Glovebox;100%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

zinc trimethylacetate

zinc trimethylacetate

benzylmagnesium chloride
6921-34-2

benzylmagnesium chloride

TMPZnCl*Mg(OPiv)2, TMP - 2,2,6,6-tetramethylpiperidyl, OPiv -pivalate

TMPZnCl*Mg(OPiv)2, TMP - 2,2,6,6-tetramethylpiperidyl, OPiv -pivalate

Conditions
ConditionsYield
Stage #1: 2,2,6,6-tetramethyl-piperidine; benzylmagnesium chloride In tetrahydrofuran at 40℃; Inert atmosphere; Schlenk technique;
Stage #2: zinc trimethylacetate In tetrahydrofuran at 20℃; for 0.333333h; Inert atmosphere; Schlenk technique;
100%
Stage #1: 2,2,6,6-tetramethyl-piperidine; benzylmagnesium chloride In tetrahydrofuran at 20 - 40℃; for 12h; Inert atmosphere; Schlenk technique;
Stage #2: zinc trimethylacetate In tetrahydrofuran at 20℃; for 1h; Inert atmosphere; Schlenk technique;
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

1-chloro-2,2,6,6-tetramethylpiperidine
32579-76-3

1-chloro-2,2,6,6-tetramethylpiperidine

Conditions
ConditionsYield
With chlorine; sodium hydroxide In water at 5 - 20℃; for 1.5h; Reagent/catalyst; Time; Inert atmosphere;99%
With sodium hypochlorite pentahydrate; sodium acetate trihydrate; acetic acid In water at 20℃; for 2h;91%
With hydrogenchloride; sodium chloride In tetrachloromethane at 20℃; electrolysis;72%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

phenyl sodium
1623-99-0

phenyl sodium

benzyltrimethylsilane
770-09-2

benzyltrimethylsilane

Conditions
ConditionsYield
With sodium In chlorobenzene; toluene99%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

carbon dioxide
124-38-9

carbon dioxide

1,2,2,6,6-pentamethylpiperidine
79-55-0

1,2,2,6,6-pentamethylpiperidine

Conditions
ConditionsYield
With phenylsilane In N,N-dimethyl acetamide at 60℃; for 2h; Sealed tube;99%
With phenylsilane In N,N-dimethyl-formamide at 90℃; under 760.051 Torr; for 24h; Schlenk technique;95%
With diphenylsilane; C21H41N3NiP2 In acetonitrile at 120℃; under 2052.14 Torr; for 24h; Autoclave;84%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

trifluoroacetic acid
76-05-1

trifluoroacetic acid

3-Chloro-2-methylpropene
563-47-3

3-Chloro-2-methylpropene

2,2,6,6-tetramethyl-1-(2-methallyl)piperidine trifluoroacetate

2,2,6,6-tetramethyl-1-(2-methallyl)piperidine trifluoroacetate

Conditions
ConditionsYield
Stage #1: 2,2,6,6-tetramethyl-piperidine; 3-Chloro-2-methylpropene With C36H45Cl2N2P2PdTi(1+) In dichloromethane at 20℃; for 0.166667h;
Stage #2: trifluoroacetic acid In methanol; dichloromethane Reagent/catalyst;
99%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

2,2,6,6-tetramethyl-1-nitrosopiperidine
6130-93-4

2,2,6,6-tetramethyl-1-nitrosopiperidine

Conditions
ConditionsYield
With hydrogenchloride; sodium nitrite at 75 - 100℃; Nitrosation;98%
With hydrogenchloride; sodium nitrite at 75 - 100℃; Nitrosation;98%
With hydrogenchloride; sodium nitrite for 96h; Heating;89%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

toluene-4-sulfonic acid
104-15-4

toluene-4-sulfonic acid

2,2,6,6-tetarmethylpiperidinium p-toluenesulphonate
30680-88-7

2,2,6,6-tetarmethylpiperidinium p-toluenesulphonate

Conditions
ConditionsYield
In acetone at 15 - 20℃; for 0.5h;98%
In acetonitrile Yield given;
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

cyanoacetic acid
372-09-8

cyanoacetic acid

3-oxo-3-(2,2,6,6-tetramethylpiperidin-1-yl)propanenitrile
1360789-22-5

3-oxo-3-(2,2,6,6-tetramethylpiperidin-1-yl)propanenitrile

Conditions
ConditionsYield
Stage #1: cyanoacetic acid With 2-chloro-1-methyl-pyridinium iodide In dichloromethane for 0.25h; Inert atmosphere;
Stage #2: 2,2,6,6-tetramethyl-piperidine In dichloromethane at 18℃; Inert atmosphere;
98%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

zinc(II) chloride
7646-85-7

zinc(II) chloride

bis(2,2,6,6-tetramethyl-1-piperidyl)zinc

bis(2,2,6,6-tetramethyl-1-piperidyl)zinc

Conditions
ConditionsYield
Stage #1: 2,2,6,6-tetramethyl-piperidine With n-butyllithium In pentane at -78℃; for 1h; Inert atmosphere;
Stage #2: zinc(II) chloride In diethyl ether; pentane at -78 - 23℃; Inert atmosphere;
98%
Stage #1: 2,2,6,6-tetramethyl-piperidine With n-butyllithium In hexane at 0℃; for 1h; Inert atmosphere; Schlenk technique;
Stage #2: zinc(II) chloride In diethyl ether; hexane at 0℃; for 48h; Inert atmosphere; Schlenk technique;
58%
Stage #1: 2,2,6,6-tetramethyl-piperidine With n-butyllithium In hexane at 0℃; for 1h; Inert atmosphere; Schlenk technique;
Stage #2: zinc(II) chloride In diethyl ether for 48h; Inert atmosphere; Schlenk technique;
58%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

trifluorormethanesulfonic acid
1493-13-6

trifluorormethanesulfonic acid

2,2,6,6-tetramethylpiperidinium triflate
1252594-28-7

2,2,6,6-tetramethylpiperidinium triflate

Conditions
ConditionsYield
In ethyl acetate at 15 - 20℃; for 0.5h;98%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

Gallium trichloride
13450-90-3

Gallium trichloride

bis(2,2,6,6-tetramethylpiperidino)gallium chloride

bis(2,2,6,6-tetramethylpiperidino)gallium chloride

Conditions
ConditionsYield
With n-butyllithium In diethyl ether; hexane byproducts: LiCl; under inert atmosphere, piperidine in hexane reacted with n-BuLi in hexane, dropwise addn. of GaCl3 in diethyl ether at room temp. with stirring, refluxed for 2 h; filtered, cooled to -78°C; elem. anal.;97%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

2,2,6,6-tetramethylpiperidinylmagnesium chloride lithium chloride complex

2,2,6,6-tetramethylpiperidinylmagnesium chloride lithium chloride complex

Conditions
ConditionsYield
With isopropyl chloride; magnesium; lithium chloride In tetrahydrofuran; toluene at 40 - 80℃; under 5171.62 Torr; Inert atmosphere; Flow reactor;97%
With TurboGrignard In tetrahydrofuran at 20℃; for 48h; Inert atmosphere;
With TurboGrignard In tetrahydrofuran for 48h; Inert atmosphere;
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

ethynyl p-tolyl sulfone
13894-21-8

ethynyl p-tolyl sulfone

2,2,6,6-Tetramethyl-1-[(E)-2-(toluene-4-sulfonyl)-vinyl]-piperidine

2,2,6,6-Tetramethyl-1-[(E)-2-(toluene-4-sulfonyl)-vinyl]-piperidine

Conditions
ConditionsYield
In dichloromethane for 1h; Ambient temperature;96%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

propynoic acid methyl ester
922-67-8

propynoic acid methyl ester

(E)-1-methoxycarbonyl-2-ethylene
118061-26-0

(E)-1-methoxycarbonyl-2-ethylene

Conditions
ConditionsYield
In dichloromethane for 1h; Ambient temperature;96%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

formic acid
64-18-6

formic acid

[2,2,,6,6-Me4C5H6NH2][O2CH]
96927-50-3

[2,2,,6,6-Me4C5H6NH2][O2CH]

Conditions
ConditionsYield
In diethyl ether96%
In diethyl ether
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

methanesulfonic acid
75-75-2

methanesulfonic acid

2,2,6,6-tetramethylpiperidinium mesylate

2,2,6,6-tetramethylpiperidinium mesylate

Conditions
ConditionsYield
In acetone at 15 - 20℃; for 0.5h;96%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

(1-Brom-2,2-dimethyl-1-phenylpropyl)isocyanat
81428-20-8

(1-Brom-2,2-dimethyl-1-phenylpropyl)isocyanat

3-(2,2-Dimethyl-1-phenylpropyliden)-1,1-(1,1,5,5-tetramethyl-1,5-pentandiyl)harnstoff
81428-34-4

3-(2,2-Dimethyl-1-phenylpropyliden)-1,1-(1,1,5,5-tetramethyl-1,5-pentandiyl)harnstoff

Conditions
ConditionsYield
With triethylamine In diethyl ether at -78℃; for 0.25h;95%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

bis[2,2,6,6-tetramethylpiperidinium] hexafluorosilicate

bis[2,2,6,6-tetramethylpiperidinium] hexafluorosilicate

Conditions
ConditionsYield
With hydrogen fluoride; silica gel95%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

1,3-bis(tert-butoxycarbonyl)-2-methyl-2-thiopseudourea
107819-90-9

1,3-bis(tert-butoxycarbonyl)-2-methyl-2-thiopseudourea

[N,N'-bis(tert-butoxycarbonyl)carboxamidino]-2,2,6,6-tetramethylpiperidine

[N,N'-bis(tert-butoxycarbonyl)carboxamidino]-2,2,6,6-tetramethylpiperidine

Conditions
ConditionsYield
With potassium carbonate; copper(l) chloride In tetrahydrofuran at 40℃; for 12h;95%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

Gallium trichloride
13450-90-3

Gallium trichloride

tetramethylpiperidine gallium trichloride
154626-03-6

tetramethylpiperidine gallium trichloride

Conditions
ConditionsYield
In benzene addn. of tetramethylpiperidine to a stirred soln. of GaCl3 at -78°C, warmed up to 25°C over 2 h, stirring for 6 h; removal of the solvent in vac., extn. in toluene, filtn., concg. of the filtrate, cooling at -30°C for 2 wk, elem. anal.;95%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

tris(pentafluorophenyl)borate
1109-15-5

tris(pentafluorophenyl)borate

C9H19N*C18HBF15(1-)*H(1+)

C9H19N*C18HBF15(1-)*H(1+)

Conditions
ConditionsYield
With hydrogen In toluene at 20℃; under 760.051 Torr; for 1h;95%
With hydrogen at -80℃;
With hydrogen under 5168.02 Torr; Thermodynamic data; Inert atmosphere;
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

TMPMgCl*LiCl

TMPMgCl*LiCl

Conditions
ConditionsYield
With TurboGrignard In tetrahydrofuran at 25℃; for 48h; Inert atmosphere;95%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

zinc(II) chloride
7646-85-7

zinc(II) chloride

zinc chloride-2,2,6,6-tetramethylpiperidin-1-ide lithium chloride complex

zinc chloride-2,2,6,6-tetramethylpiperidin-1-ide lithium chloride complex

Conditions
ConditionsYield
Stage #1: 2,2,6,6-tetramethyl-piperidine With n-butyllithium In hexane at -40 - -10℃; for 1h;
Stage #2: zinc(II) chloride In tetrahydrofuran; hexane at -10 - 25℃; for 1h;
95%
Stage #1: 2,2,6,6-tetramethyl-piperidine With n-butyllithium In tetrahydrofuran; hexane at -40 - 25℃; for 2h; Inert atmosphere;
Stage #2: zinc(II) chloride In tetrahydrofuran; hexane Inert atmosphere;
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

((4,5-dimethyl-1,2-phenylene)bis(ethyne-2,1-diyl))dibenzene
27286-84-6

((4,5-dimethyl-1,2-phenylene)bis(ethyne-2,1-diyl))dibenzene

tris(pentafluorophenyl)borate
1109-15-5

tris(pentafluorophenyl)borate

C42H17BF15(1-)*C9H19N*H(1+)

C42H17BF15(1-)*C9H19N*H(1+)

Conditions
ConditionsYield
In pentane at 20℃;95%
2,2,6,6-tetramethyl-piperidine
768-66-1

2,2,6,6-tetramethyl-piperidine

carbon dioxide
124-38-9

carbon dioxide

tris(pentafluorophenyl)silyl triflate
844504-52-5

tris(pentafluorophenyl)silyl triflate

A

2,2,6,6-tetramethylpiperidinium triflate
1252594-28-7

2,2,6,6-tetramethylpiperidinium triflate

B

C28H18F15NO2Si

C28H18F15NO2Si

Conditions
ConditionsYield
In dichloromethane-d2 Glovebox; Schlenk technique;A n/a
B 95%
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