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
Cas:768-66-1
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inquiryAnalysis tests Standard Results Appearance Colorless to Light yellow liquid Light yellow liquid Content
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inquiryProduct Description Product website: http://www.finerchem.com Product Name 2,2,6,6-Tetramethylpiperidine CAS No. 768-66-1 Appea
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inquiryColorless 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
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inquiryThe 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
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
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inquiryProduct 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
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inquiryWITH 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
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inquiryProduct 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
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inquiry2,2,6,6-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;
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inquiry2,2,6,6-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
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inquiryHello, 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
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inquiryHenan 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
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
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inquiryHangzhou 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
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inquiryJ&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
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
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inquiryHigh 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
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inquiryWhy 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
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
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inquiryWe 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
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inquiryProduct 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
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inquiryProduct 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,
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inquiryWe 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
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,
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inquiryfactory?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
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inquiryWe 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
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
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inquiryConditions | Yield |
---|---|
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
A
2,2,6,6-tetramethyl-piperidine
B
benzophenone
C
1-benzyloxy-2,2,6,6-tetramethylpiperidine
Conditions | Yield |
---|---|
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
4-tolylacetic acid
A
2,2,6,6-tetramethyl-piperidine
Conditions | Yield |
---|---|
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% |
2,2,6,6-tetramethyl-piperidine
Conditions | Yield |
---|---|
In sulfuric acid; water | 89.6% |
2,3-bis(trimethylsilyl)-1,3-butadiene-1,4-dione
A
2,2,6,6-tetramethyl-piperidine
B
1-benzyloxy-2,2,6,6-tetramethylpiperidine
Conditions | Yield |
---|---|
With 2,2,6,6-tetramethyl-piperidine-N-oxyl In toluene at 90℃; for 3h; | A 85% B 76% C 80% |
A
2,2,6,6-tetramethyl-piperidine
Conditions | Yield |
---|---|
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
2,2,6,6-tetramethyl-piperidine
Conditions | Yield |
---|---|
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
N-triphenylacetoxy-2,2,6,6-tetramethylpiperidine
A
2,2,6,6-tetramethyl-piperidine
B
1,1,1,2-tetraphenylethane
Conditions | Yield |
---|---|
at 146℃; for 40h; | A 78 % Chromat. B 74% |
2,2,6,6-tetramethyl-piperidine-N-oxyl
A
2,2,6,6-tetramethyl-piperidine
B
benzophenone
Conditions | Yield |
---|---|
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
A
2,2,6,6-tetramethyl-piperidine
Conditions | Yield |
---|---|
In tert-butyl alcohol at 130℃; for 24h; | A 8% B 70% |
2,2,6,6-Tetramethyl-4-piperidone
A
2,2,6,6-tetramethyl-piperidine
B
4-hydroxy-2,2,6,6-tetramethylpiperidine
Conditions | Yield |
---|---|
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
A
2,2,6,6-tetramethyl-piperidine
B
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
Conditions | Yield |
---|---|
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
2,2,6,6-tetramethylpiperidinyl-lithium
A
2,2,6,6-tetramethyl-piperidine
B
benzyl(diphenylmethyl)(2,2,6,6-tetramethylpiperidino)borane
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
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
A
2,2,6,6-tetramethyl-piperidine
B
bis(4-tert-butylphenyl)disulfide
Conditions | Yield |
---|---|
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
4-t-butylbenzenethiol
A
2,2,6,6-tetramethyl-piperidine
B
bis(4-tert-butylphenyl)disulfide
Conditions | Yield |
---|---|
In benzene for 0.5h; Ambient temperature; Further byproducts given; | A 10% B 10% C 9% D 56% |
4-t-butylbenzenethiol
A
2,2,6,6-tetramethyl-piperidine
B
bis(4-tert-butylphenyl)disulfide
Conditions | Yield |
---|---|
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
A
2,2,6,6-tetramethyl-piperidine
B
2,2,6,6-tetramethylpiperidin-1-ol
Conditions | Yield |
---|---|
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
A
2,2,6,6-tetramethyl-piperidine
B
2,2,6,6-tetramethylpiperidine-1-carboxaldehyde
Conditions | Yield |
---|---|
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
thiophenol
A
2,2,6,6-tetramethyl-piperidine
B
diphenyldisulfane
Conditions | Yield |
---|---|
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
thiophenol
A
2,2,6,6-tetramethyl-piperidine
Conditions | Yield |
---|---|
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
thiophenol
A
2,2,6,6-tetramethyl-piperidine
Conditions | Yield |
---|---|
In benzene for 0.5h; Ambient temperature; Further byproducts given; | A 9% B 7% C 14% D 49% |
Conditions | Yield |
---|---|
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
para-thiocresol
A
2,2,6,6-tetramethyl-piperidine
B
di(p-tolyl) disulfide
C
2,2,6,6-tetarmethylpiperidinium p-toluenesulphonate
Conditions | Yield |
---|---|
In benzene for 0.5h; Ambient temperature; Further byproducts given; | A 7% B 12% C 47% D 21% |
para-thiocresol
A
2,2,6,6-tetramethyl-piperidine
B
di(p-tolyl) disulfide
C
2,2,6,6-tetarmethylpiperidinium p-toluenesulphonate
Conditions | Yield |
---|---|
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
A
2,2,6,6-tetramethyl-piperidine
B
1-Ethanesulfonyl-2,2,6,6-tetramethyl-piperidine
Conditions | Yield |
---|---|
With ethanethiol In benzene Yields of byproduct given; | A 45% B n/a |
1,2,2,6,6-pentamethylpiperidine
A
2,2,6,6-tetramethyl-piperidine
B
TEMPO
C
2,2,6,6-tetramethylpiperidine-1-carboxaldehyde
Conditions | Yield |
---|---|
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
A
2,2,6,6-tetramethyl-piperidine
B
phenylacetic acid
Conditions | Yield |
---|---|
In tert-butyl alcohol at 130℃; for 168h; | A 30% B 35% |
2,2,6,6-Tetramethyl-1-piperidinyloxy free radical
benzylamine
A
2,2,6,6-tetramethyl-piperidine
B
2,2,6,6-tetramethylpiperidin-1-ol
C
phenyl(2,2,6,6-tetramethylpiperidin-1-yl)methanone
Conditions | Yield |
---|---|
With tert.-butylhydroperoxide; zinc dibromide In pyridine; water at 80℃; for 16h; | A n/a B n/a C 35% |
Conditions | Yield |
---|---|
With Hg(II)-EDTA | 28% |
With Hg(II)-EDTA Product distribution; other reagent: Hg(OAc)2; also in HCOOH as solvent; | 28% |
2,2,6,6-tetramethyl-piperidine
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
Conditions | Yield |
---|---|
With methyllithium Mechanism; | 100% |
With methyllithium Yield given. Multistep reaction; |
Conditions | Yield |
---|---|
With Oxone; silica gel In water at 80℃; for 24h; Oxidation; | 100% |
Conditions | Yield |
---|---|
With C36H47Cl2N2P2PdTi(2+) In chloroform-d1 at 20℃; for 0.0833333h; Glovebox; | 100% |
Conditions | Yield |
---|---|
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
1-chloro-2,2,6,6-tetramethylpiperidine
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
With sodium In chlorobenzene; toluene | 99% |
2,2,6,6-tetramethyl-piperidine
carbon dioxide
1,2,2,6,6-pentamethylpiperidine
Conditions | Yield |
---|---|
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
trifluoroacetic acid
3-Chloro-2-methylpropene
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
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
toluene-4-sulfonic acid
2,2,6,6-tetarmethylpiperidinium p-toluenesulphonate
Conditions | Yield |
---|---|
In acetone at 15 - 20℃; for 0.5h; | 98% |
In acetonitrile Yield given; |
2,2,6,6-tetramethyl-piperidine
cyanoacetic acid
3-oxo-3-(2,2,6,6-tetramethylpiperidin-1-yl)propanenitrile
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
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
trifluorormethanesulfonic acid
2,2,6,6-tetramethylpiperidinium triflate
Conditions | Yield |
---|---|
In ethyl acetate at 15 - 20℃; for 0.5h; | 98% |
2,2,6,6-tetramethyl-piperidine
Gallium trichloride
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
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
ethynyl p-tolyl sulfone
Conditions | Yield |
---|---|
In dichloromethane for 1h; Ambient temperature; | 96% |
2,2,6,6-tetramethyl-piperidine
propynoic acid methyl ester
(E)-1-methoxycarbonyl-2-ethylene
Conditions | Yield |
---|---|
In dichloromethane for 1h; Ambient temperature; | 96% |
Conditions | Yield |
---|---|
In diethyl ether | 96% |
In diethyl ether |
Conditions | Yield |
---|---|
In acetone at 15 - 20℃; for 0.5h; | 96% |
2,2,6,6-tetramethyl-piperidine
(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
Conditions | Yield |
---|---|
With triethylamine In diethyl ether at -78℃; for 0.25h; | 95% |
2,2,6,6-tetramethyl-piperidine
Conditions | Yield |
---|---|
With hydrogen fluoride; silica gel | 95% |
2,2,6,6-tetramethyl-piperidine
1,3-bis(tert-butoxycarbonyl)-2-methyl-2-thiopseudourea
Conditions | Yield |
---|---|
With potassium carbonate; copper(l) chloride In tetrahydrofuran at 40℃; for 12h; | 95% |
2,2,6,6-tetramethyl-piperidine
Gallium trichloride
tetramethylpiperidine gallium trichloride
Conditions | Yield |
---|---|
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% |
Conditions | Yield |
---|---|
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
Conditions | Yield |
---|---|
With TurboGrignard In tetrahydrofuran at 25℃; for 48h; Inert atmosphere; | 95% |
Conditions | Yield |
---|---|
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
((4,5-dimethyl-1,2-phenylene)bis(ethyne-2,1-diyl))dibenzene
tris(pentafluorophenyl)borate
Conditions | Yield |
---|---|
In pentane at 20℃; | 95% |
2,2,6,6-tetramethyl-piperidine
carbon dioxide
tris(pentafluorophenyl)silyl triflate
A
2,2,6,6-tetramethylpiperidinium triflate
Conditions | Yield |
---|---|
In dichloromethane-d2 Glovebox; Schlenk technique; | A n/a B 95% |
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