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Henan Sigma Biotechnology Co., Ltd.

1. We integrate research and development, production, and sales. A 1800 square meter research and development center,The company has conducted over 50 research and development and technical service projects annually, applied for more than 10 patents,

2,2,6,6-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Trading Company

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

DayangChem exported this product to many countries and regions at best price. If you are looking for the material's manufacturer or supplier in China, DayangChem is your best choice. Pls contact with us freely for getting detailed product spe

2,2,6,6-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Henan Allgreen Chemical Co.,Ltd

high purity Appearance:solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:meet customer's demand Application:auxiliaries Transportation:by sea or by air Port:shanghai

2,2,6,6-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

inquiry

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-tetramethylpiperidin-4-ol

Cas:2403-88-5

Min.Order:1

Negotiable

Type:Other

inquiry

Chemwill Asia Co., Ltd.

Our main production base is located in Xuzhou industry park. We are certified both to the ISO 9001 and ISO 14001 Standards, have a safety management system in place.Our R&D team masters core technology for process-design of target building block

2,2,6,6-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Henan Tianfu Chemical Co., Ltd.

Now we would like to update our product list for you, kindly check the below information: 1. Catalyst series ( such as Noble Metal Catalyst, Phosphorous ligand, etc ) 2. Pharmaceutical Intermediate ( such as diabtes series, Anti

2403-88-5

Cas:2403-88-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Lab/Research institutions

inquiry

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

Factory direct supply CAS 2403-88-5 with best quality

Cas:2403-88-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

inquiry

Wuhan Han Sheng New Material Technology Co.,Ltd

Our Advantage: high quality with competitive price High quality standard: BP/USP/EP Enterprise standard All purity customized Fast and safe delivery We have reliable forwarder who can help us deliver our goods more fast and safe. We

2,2,6,6-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:10 Kilogram

FOB Price: $60.0 / 80.0

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product Name: 2,2,6,6-Tetramethyl-4-piperidinol Synonyms: TAA-OL;TRIACETONEAMINO ALCOHOL;2,2,6,6-Tetramethyl-4-hydroxypiperidine;2,2,6,6-tetramethyl-4-piperdinol;2,2,6,6-tetramethyl-4-piperidino;Lastar A;la

2,2,6,6-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

inquiry

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-Tetramethyl-4-piperidinol 2403-88-5

Cas:2403-88-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

HUBEI RISON CHEMICAL CO.,LTD.

We have manufacture and export high quality chemical products for more than ten years. If you are looking for chemical supplier in China, RISON would be your best choice. Pls contact with us freely for getting detailed product specifications,

lower price 2,2,6,6-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:100 Milligram

FOB Price: $5000.0 / 7000.0

Type:Other

inquiry

Baoji Guokang Healthchem co.,ltd

Our company has been in existence for 10 years since its establishment. We have our own unique team. The company integrates independent research and development, production and sales. We have established famous brands at home and abroad. At present,

2,2,6,6-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:1 Kilogram

FOB Price: $15.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

2,2,6,6-Tetramethyl-4-piperidinol CAS:2403-88-5 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

2,2,6,6-Tetramethyl-4-piperidinol CAS:2403-88-5

Cas:2403-88-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Jiutian Bio-medical Technology Co., Ltd

1,we produce and sell good chemicals around the world. 2,our success rate is about 95%. this means, if customer order is accepted, the probability that the customer will obtain the ordered substances, is 95%. 3,our staff consists of highly qualifie

CAS 2403-88-5 2,2,6,6-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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.:2403-88-5

Cas:2403-88-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

2,2,6,6-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:1 Kilogram

FOB Price: $10.0 / 100.0

Type:Lab/Research institutions

inquiry

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-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

Type:Trading Company

inquiry

Hangzhou ZeErRui Chemical Co., Ltd.

2,2,6,6-Tetramethyl-4-piperidinol function and use The2,2,6,6-tetramethyl-4-piperidinol is a white crystal.

2,2,6,6-Tetramethyl-4-piperidinol supplier

Cas:2403-88-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

inquiry

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

2,2,6,6-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

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-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Zibo Hangyu Biotechnology Development Co., Ltd

Zibo Hangyu Biotechnology Development 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 chemi

High quality 2,2,6,6-Tetramethyl-4-Piperidinol

Cas:2403-88-5

Min.Order:10 Gram

FOB Price: $100.0

Type:Lab/Research institutions

inquiry

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-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:100 Gram

FOB Price: $100.0 / 2000.0

Type:Lab/Research institutions

inquiry

HANGZHOU YUNUO CHEMICAL CO.,LTD

Superior quality, moderate price & quick delivery. Appearance:white powder Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:25kg/drum, or as per your request. Application:Used as Pharmaceutical Intermediates Tr

2,2,6,6-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

inquiry

Hebei yanxi chemical co.,LTD.

hebei yanxi chemical co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and developmen

2,2,6,6-tetramethyl-4-piperidinol 2403-88-5

Cas:2403-88-5

Min.Order:20 Kilogram

FOB Price: $10.0 / 100.0

Type:Trading Company

inquiry

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-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:1 Milligram

Negotiable

Type:Trading Company

inquiry

Shanghai Minstar Chemical Co., Ltd

2,2,6,6-Tetramethyl-4-piperidinol Basic information Product Name: 2,2,6,6-Tetramethyl-4-piperidinol Synonyms: TAA-OL;TRIACETONEAMINO ALCOHOL;Tetramethyl piperidylol;2,2,6,6-TETRAMETHYL-4-PIPERIDINOL 99+%;Triacetoneamino Alcohol TAA-ol;Triaceto

2,2,6,6-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

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-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:1 Kilogram

FOB Price: $18.0 / 20.0

Type:Trading Company

inquiry

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-Tetramethyl-4-piperidinol

Cas:2403-88-5

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

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

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

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

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

Conditions
ConditionsYield
With sodium tetrahydroborate In ethanol at 20℃; for 4h;95%
With sodium tetrahydroborate In ethanol at 0 - 20℃; for 2h; Inert atmosphere;93%
With sodium tetrahydroborate In ethanol at 0 - 20℃; for 2h;93%
diazodiphenylmethane
908093-98-1

diazodiphenylmethane

A

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

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

B

benzophenone
119-61-9

benzophenone

Conditions
ConditionsYield
In acetonitrile Product distribution; Rate constant; Mechanism; Ambient temperature; Irradiation; in chlorobenzene;A n/a
B 87%
triacetonamine silfate

triacetonamine silfate

A

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

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

B

2,2,2',2',6,6,6'6'-octamethyl-4,4'-dihydroxy-4,4'-bipiperidyl
55196-74-2

2,2,2',2',6,6,6'6'-octamethyl-4,4'-dihydroxy-4,4'-bipiperidyl

Conditions
ConditionsYield
at 30 - 35℃; for 77.2h; electrochemical reduction at zinc cathode;A 79%
B 12%
acetone
67-64-1

acetone

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

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

Conditions
ConditionsYield
Stage #1: acetone With ammonia In toluene at 50℃; for 3h; Green chemistry;
Stage #2: With hydrogen In toluene at 50℃; for 3h; Catalytic behavior; Solvent; Reagent/catalyst; Temperature; Green chemistry;
77%
1,2,2,6,6-pentamethyl-piperidin-4-ol
2403-89-6

1,2,2,6,6-pentamethyl-piperidin-4-ol

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

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

Conditions
ConditionsYield
With water In acetone Heating; UV irradiation;72%
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.;
1,2,2,6,6-pentamethyl-piperidin-4-ol
2403-89-6

1,2,2,6,6-pentamethyl-piperidin-4-ol

acetone
67-64-1

acetone

A

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

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

B

1-(2-Hydroxy-2-methylpropyl)-2,2,6,6-tetramethyl-4-piperidol
85111-11-1

1-(2-Hydroxy-2-methylpropyl)-2,2,6,6-tetramethyl-4-piperidol

C

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine
80784-66-3

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine

Conditions
ConditionsYield
In benzene for 6h; Product distribution; Irradiation; irradiation with mercury quartz lamp;A 1.4%
B 9%
C 52%
In benzene for 7h; Product distribution; Heating; Irradiation;A 2%
B 21%
C 51%
In benzene for 7h; Heating; Irradiation;A 2%
B 21%
C 51%
2,2,6,6-tetramethylpiperidin-4-one hydrochloride
33973-59-0

2,2,6,6-tetramethylpiperidin-4-one hydrochloride

A

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

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

B

2,2,6,6-tetramethyl-4-hydroxy-4-(1-hydroxy-1-methylethyl)piperidine
858849-89-5

2,2,6,6-tetramethyl-4-hydroxy-4-(1-hydroxy-1-methylethyl)piperidine

C

2,2,2',2',6,6,6'6'-octamethyl-4,4'-dihydroxy-4,4'-bipiperidyl
55196-74-2

2,2,2',2',6,6,6'6'-octamethyl-4,4'-dihydroxy-4,4'-bipiperidyl

Conditions
ConditionsYield
With isopropyl alcohol for 22h; Heating; Irradiation; PRK-2 mercury-quartz lamp;A 52%
B 36%
C 12%
2,2,6,6-tetramethylpiperidin-4-one hydrochloride
33973-59-0

2,2,6,6-tetramethylpiperidin-4-one hydrochloride

isopropyl alcohol
67-63-0

isopropyl alcohol

A

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

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

B

2,2,6,6-tetramethyl-4-hydroxy-4-(1-hydroxy-1-methylethyl)piperidine
858849-89-5

2,2,6,6-tetramethyl-4-hydroxy-4-(1-hydroxy-1-methylethyl)piperidine

C

2,2,2',2',6,6,6'6'-octamethyl-4,4'-dihydroxy-4,4'-bipiperidyl
55196-74-2

2,2,2',2',6,6,6'6'-octamethyl-4,4'-dihydroxy-4,4'-bipiperidyl

Conditions
ConditionsYield
With isopropyl alcohol for 22h; Heating; Irradiation; PRK-2 mercury-quartz lamp;A 52%
B 36%
C 12%
1,2,2,6,6-pentamethyl-piperidin-4-ol
2403-89-6

1,2,2,6,6-pentamethyl-piperidin-4-ol

A

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

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

B

1-(2-Hydroxy-2-methylpropyl)-2,2,6,6-tetramethyl-4-piperidol
85111-11-1

1-(2-Hydroxy-2-methylpropyl)-2,2,6,6-tetramethyl-4-piperidol

C

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine
80784-66-3

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine

Conditions
ConditionsYield
With acetone In benzene for 7h; Heating; Irradiation;A 2%
B 21%
C 51%
benzophenone
119-61-9

benzophenone

1,2,2,6,6-pentamethyl-piperidin-4-ol
2403-89-6

1,2,2,6,6-pentamethyl-piperidin-4-ol

A

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

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

B

tetraphenylethane-1,2-diol
464-72-2

tetraphenylethane-1,2-diol

C

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine
80784-66-3

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine

D

1-(2-Hydroxy-2,2-diphenylethylethyl)-2,2,6,6-tetramethyl-4-piperidol
80784-67-4

1-(2-Hydroxy-2,2-diphenylethylethyl)-2,2,6,6-tetramethyl-4-piperidol

Conditions
ConditionsYield
In benzene for 6h; Product distribution; Irradiation; irradiation with mercury quartz lamp;A 6%
B 46%
C 34%
D 31%
xanth-9-one
90-47-1

xanth-9-one

1,2,2,6,6-pentamethyl-piperidin-4-ol
2403-89-6

1,2,2,6,6-pentamethyl-piperidin-4-ol

A

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

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

B

1-(9-Hydroxy-9-xanthenyl)methyl-2,2,6,6-tetramethyl-4-piperidol
85111-08-6

1-(9-Hydroxy-9-xanthenyl)methyl-2,2,6,6-tetramethyl-4-piperidol

C

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine
80784-66-3

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine

Conditions
ConditionsYield
In benzene for 28h; Product distribution; Irradiation;A 44%
B 22%
C 9%
In benzene for 28h; Heating; Irradiation;A 44%
B 22%
C 9%
1,2,2,6,6-pentamethyl-piperidin-4-ol
2403-89-6

1,2,2,6,6-pentamethyl-piperidin-4-ol

A

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

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

B

1-(9-Hydroxy-9-xanthenyl)methyl-2,2,6,6-tetramethyl-4-piperidol
85111-08-6

1-(9-Hydroxy-9-xanthenyl)methyl-2,2,6,6-tetramethyl-4-piperidol

C

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine
80784-66-3

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine

Conditions
ConditionsYield
With xanth-9-one In benzene for 28h; Heating; Irradiation;A 44%
B 22%
C 9%
1,2,2,6,6-pentamethyl-piperidin-4-ol
2403-89-6

1,2,2,6,6-pentamethyl-piperidin-4-ol

acetophenone
98-86-2

acetophenone

A

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

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

B

2,3-diphenyl-2,3-butanediol
1636-34-6

2,3-diphenyl-2,3-butanediol

C

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine
80784-66-3

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine

D

1-(2-Hydroxy-2-phenylpropyl)-2,2,6,6-tetramethyl-4-piperidol
80784-68-5

1-(2-Hydroxy-2-phenylpropyl)-2,2,6,6-tetramethyl-4-piperidol

Conditions
ConditionsYield
In benzene for 6h; Product distribution; Irradiation; irradiation with mercury quartz lamp;A 4%
B 26%
C 41%
D 10%
1,2,2,6,6-pentamethyl-piperidin-4-ol
2403-89-6

1,2,2,6,6-pentamethyl-piperidin-4-ol

acetophenone
98-86-2

acetophenone

A

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

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

B

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine
80784-66-3

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine

C

1-(2-Hydroxy-2-phenylpropyl)-2,2,6,6-tetramethyl-4-piperidol
80784-68-5

1-(2-Hydroxy-2-phenylpropyl)-2,2,6,6-tetramethyl-4-piperidol

Conditions
ConditionsYield
for 7h; Product distribution; Irradiation;A 41%
B 4%
C 24%
In benzene for 7h; Heating; Irradiation;A 41%
B 4%
C 24%
benzophenone
119-61-9

benzophenone

1,2,2,6,6-pentamethyl-piperidin-4-ol
2403-89-6

1,2,2,6,6-pentamethyl-piperidin-4-ol

A

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

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

B

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine
80784-66-3

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine

C

1-(2-Hydroxy-2,2-diphenylethylethyl)-2,2,6,6-tetramethyl-4-piperidol
80784-67-4

1-(2-Hydroxy-2,2-diphenylethylethyl)-2,2,6,6-tetramethyl-4-piperidol

Conditions
ConditionsYield
In benzene for 6h; Product distribution; Irradiation;A 28%
B 24%
C 32%
In benzene for 6h; Heating; Irradiation;A 28%
B 24%
C 32%
phenyl benzyl ketone
451-40-1

phenyl benzyl ketone

1,2,2,6,6-pentamethyl-piperidin-4-ol
2403-89-6

1,2,2,6,6-pentamethyl-piperidin-4-ol

A

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

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

B

1-(2-Hydroxy-2,3-diphenylpropyl)2,2,6,6-tetramethyl-4-piperidol
85111-09-7

1-(2-Hydroxy-2,3-diphenylpropyl)2,2,6,6-tetramethyl-4-piperidol

C

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine
80784-66-3

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine

Conditions
ConditionsYield
In benzene for 7h; Product distribution; Irradiation;A 30%
B 27%
C 15%
In benzene for 7h; Heating; Irradiation;A 30%
B 27%
C 15%
1,2,2,6,6-pentamethyl-piperidin-4-ol
2403-89-6

1,2,2,6,6-pentamethyl-piperidin-4-ol

dihydrochalcone
1083-30-3

dihydrochalcone

A

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

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

B

1-(2-Hydroxy-2,4-diphenylbutyl)-2,2,6,6-tetramethyl-4-piperidol
85111-10-0

1-(2-Hydroxy-2,4-diphenylbutyl)-2,2,6,6-tetramethyl-4-piperidol

C

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine
80784-66-3

4,4'-Dihydroxy-2,2,2',2',6,6,6',6'-octamethyl-1,1'-ethylenebispiperidine

Conditions
ConditionsYield
In benzene for 38h; Product distribution; Irradiation;A 9%
B 8%
C 23%
In benzene for 38h; Heating; Irradiation;A 9%
B 8%
C 23%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

Conditions
ConditionsYield
With ethanethiol In benzene19%
4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE
36768-62-4

4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE

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

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

Conditions
ConditionsYield
With hydrogenchloride; sodium nitrite
2,2,6,6-Tetramethyl-4-piperidone
826-36-8

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

A

4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE
36768-62-4

4-AMINO-2,2,6,6-TETRAMETHYLPIPERIDINE

B

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

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

Conditions
ConditionsYield
With ammonium sulfate electrosynthesis, var. pH;
With ammonia; hydrogen; B113W In water at 55 - 100℃; under 30003 Torr; for 3h; Product distribution / selectivity;A 92.10 %Chromat.
B 5.49 %Chromat.
1,2,2,6,6-pentamethyl-piperidin-4-ol
2403-89-6

1,2,2,6,6-pentamethyl-piperidin-4-ol

9,10-phenanthrenequinone
84-65-1

9,10-phenanthrenequinone

A

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

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

B

0-hydroxy-9-(hydroxymethyl)anthrone
137124-55-1

0-hydroxy-9-(hydroxymethyl)anthrone

Conditions
ConditionsYield
In water; acetone Mechanism; Irradiation; var. amines and solvents;
In water; acetone Irradiation;
C44H56O4*C9H19NO
138847-18-4

C44H56O4*C9H19NO

A

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

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

B

5,11,17,23-tetra-t-butyl-25,26,27,28-tetrahydroxycalix-4-arene
157432-87-6, 288302-11-4, 288302-12-5

5,11,17,23-tetra-t-butyl-25,26,27,28-tetrahydroxycalix-4-arene

Conditions
ConditionsYield
In acetonitrile at 25℃; Equilibrium constant;
2.2.6.6-tetramethyl-piperidone-(4)

2.2.6.6-tetramethyl-piperidone-(4)

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

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

Conditions
ConditionsYield
With sodium amalgam; ethanol
With hydrogenchloride; sodium amalgam; ethanol
hydrogenchloride
7647-01-0

hydrogenchloride

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

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

sodium amalgam

sodium amalgam

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

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

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

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

Conditions
ConditionsYield
With 3,3-dimethyldioxirane In acetone at 0℃;100%
With decanesulfonic peracid In chloroform at 19.9℃;100%
With sodium tungstate monohydrate; dihydrogen peroxide In methanol; water at 20℃; for 50h; Inert atmosphere;98%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

2-[2-(vinyloxy)ethoxymethyl]oxirane
16801-19-7

2-[2-(vinyloxy)ethoxymethyl]oxirane

1-{2-hydroxy-3-[2-(vinyloxy)ethoxy]propyl}-2,2,6,6-tetra-methylpiperidin-4-ol
1234581-62-4

1-{2-hydroxy-3-[2-(vinyloxy)ethoxy]propyl}-2,2,6,6-tetra-methylpiperidin-4-ol

Conditions
ConditionsYield
at 135℃; for 4.5h; Sealed tube; regioselective reaction;100%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

[2-(vinylthio)ethoxymethyl]oxirane
4618-32-0

[2-(vinylthio)ethoxymethyl]oxirane

1-{2-hydroxy-3-[2-(vinylthio)ethoxy]propyl}-2,2,6,6-tetra-methylpiperidin-4-ol
1234581-63-5

1-{2-hydroxy-3-[2-(vinylthio)ethoxy]propyl}-2,2,6,6-tetra-methylpiperidin-4-ol

Conditions
ConditionsYield
at 135℃; for 4.5h; Sealed tube; regioselective reaction;100%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

ethylenediaminetetraacetic acid disodium salt dihydrate

ethylenediaminetetraacetic acid disodium salt dihydrate

tempol
2226-96-2

tempol

Conditions
ConditionsYield
With dihydrogen peroxide; sodium carbonate In water99.2%
With dihydrogen peroxide; sodium hydrogencarbonate In water
With dihydrogen peroxide; sodium carbonate In water
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

tempol
3637-10-3

tempol

Conditions
ConditionsYield
With 3,3-dimethyldioxirane In acetone at 0℃; for 2h;99%
With sodium tungstate; ethylenediaminetetraacetic acid; dihydrogen peroxide In water
With DMd In acetone
Multi-step reaction with 2 steps
1: sodium tungstate monohydrate; dihydrogen peroxide / methanol; water / 50 h / 20 °C / Inert atmosphere
2: phenylhydrazine / chloroform-d1
View Scheme
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

Methyl 4-pentenoate
818-57-5

Methyl 4-pentenoate

C14H25NO2

C14H25NO2

Conditions
ConditionsYield
With di(n-butyl)tin oxide In toluene at 112 - 170℃; for 8h; Reagent/catalyst; Solvent; Temperature; Inert atmosphere; Industrial scale;98%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

1-bromo-4-hydroxy-2,2,6,6-tetramethylpiperidine
71431-21-5

1-bromo-4-hydroxy-2,2,6,6-tetramethylpiperidine

Conditions
ConditionsYield
With hydrogen bromide; potassium bromide In benzene at 20 - 25℃; electrolysis;90%
With sodium hypobromide In dichloromethane at 25℃; for 6h; Solvent;76%
With bromine
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

2-bromomethylnaphthyl bromide
939-26-4

2-bromomethylnaphthyl bromide

N-(2-naphthylmethyl)-2,2,6,6-tetramethylpiperidin-4-ol

N-(2-naphthylmethyl)-2,2,6,6-tetramethylpiperidin-4-ol

Conditions
ConditionsYield
In toluene at 230℃; for 0.333333h; Temperature; Microwave irradiation; chemoselective reaction;90%
In toluene at 130℃; for 40h; Autoclave; Inert atmosphere; chemoselective reaction;80%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

benzyl bromide
100-39-0

benzyl bromide

A

4-benzyloxy-2,2,6,6-tetramethylpiperidine
26275-91-2

4-benzyloxy-2,2,6,6-tetramethylpiperidine

B

1-benzyl-4-hydroxy-2,2,6,6-tetramethylpiperidine
52185-71-4

1-benzyl-4-hydroxy-2,2,6,6-tetramethylpiperidine

Conditions
ConditionsYield
In toluene at 230℃; for 0.333333h; Solvent; Temperature; Microwave irradiation; chemoselective reaction;A 7 %Spectr.
B 90%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

1-bromomethyl-4-nitro-benzene
100-11-8

1-bromomethyl-4-nitro-benzene

N-p-nitrobenzyl-2,2,6,6-tetramethylpiperidin-4-ol

N-p-nitrobenzyl-2,2,6,6-tetramethylpiperidin-4-ol

Conditions
ConditionsYield
In toluene at 130℃; for 40h; Temperature; Autoclave; chemoselective reaction;90%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

methyl methacrylate
97-63-2

methyl methacrylate

4-methacryloyloxy-2,2,6,6-tetramethylpiperidine
31582-45-3

4-methacryloyloxy-2,2,6,6-tetramethylpiperidine

Conditions
ConditionsYield
With tetrabutoxytitanium; 2,4-dimethyl-6-tert-butylphenol In 5,5-dimethyl-1,3-cyclohexadiene at 90℃; for 7h;90%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

tetramethyl 3,3',3'',3'''-(ethane-1,2-diylbis(azanetriyl))tetrapropanoate
91933-33-4

tetramethyl 3,3',3'',3'''-(ethane-1,2-diylbis(azanetriyl))tetrapropanoate

tetrakis(2,2,6,6-tetramethylpiperidin-4-yl) 3,3',3'',3'''-(ethane-1,2-diylbis(azanetriyl))tetrapropanoate
1135872-53-5

tetrakis(2,2,6,6-tetramethylpiperidin-4-yl) 3,3',3'',3'''-(ethane-1,2-diylbis(azanetriyl))tetrapropanoate

Conditions
ConditionsYield
With titanium(IV) isopropylate In octane for 7h; Reflux;89.7%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

tetramethyl 3,3',3'',3'''-(decane-1,10-diylbis(azanetriyl))tetrapropanoate
1260829-50-2

tetramethyl 3,3',3'',3'''-(decane-1,10-diylbis(azanetriyl))tetrapropanoate

tetrakis(2,2,6,6-tetramethylpiperidin-4-yl) 3,3',3'',3'''-(decane-1,10-diylbis(azanetriyl))tetrapropanoate
1360200-32-3

tetrakis(2,2,6,6-tetramethylpiperidin-4-yl) 3,3',3'',3'''-(decane-1,10-diylbis(azanetriyl))tetrapropanoate

Conditions
ConditionsYield
With titanium(IV) isopropylate In octane for 7h; Reflux;89.1%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

2,6-dichloropyridine
2402-78-0

2,6-dichloropyridine

2-chloro-6-(2,2,6,6-tetramethylpiperidin-4-yloxy)pyridine hydrochloric acid salt

2-chloro-6-(2,2,6,6-tetramethylpiperidin-4-yloxy)pyridine hydrochloric acid salt

Conditions
ConditionsYield
Stage #1: 4-hydroxy-2,2,6,6-tetramethylpiperidine; 2,6-dichloropyridine With potassium tert-butylate In tetrahydrofuran at 20℃; for 1h;
Stage #2: With hydrogenchloride In ethanol
89%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

phenylmalonic acid
2613-89-0

phenylmalonic acid

C27H42N2O4

C27H42N2O4

Conditions
ConditionsYield
Stage #1: 4-hydroxy-2,2,6,6-tetramethylpiperidine; phenylmalonic acid With dmap In dichloromethane for 0.5h; Inert atmosphere;
Stage #2: With dicyclohexyl-carbodiimide In dichloromethane at -10 - 20℃; for 6h; Inert atmosphere;
88.5%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl bromide
4196-35-4

2,3,4,6-tetra-O-benzyl-α-D-glucopyranosyl bromide

2,2,6,6-tetramethylpiperidin-4-yl tetra-O-benzyl-α-D-glucopyranoside hydrobromide
77895-19-3

2,2,6,6-tetramethylpiperidin-4-yl tetra-O-benzyl-α-D-glucopyranoside hydrobromide

Conditions
ConditionsYield
With molecular sieve; N-ethyl-N,N-diisopropylamine; tetraethylammonium bromide In dichloromethane for 72h; Ambient temperature; dark;88.4%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

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

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

Conditions
ConditionsYield
With C44H66O8P4Pd2; methyl vinyl ketone In water; toluene at 105℃; for 16h; Inert atmosphere; chemoselective reaction;88%
With 13,17-bis(2-methoxycarbonylethyl)-2,7,12,18-tetramethylporphinatocobalt(II); oxygen; isovaleraldehyde In acetonitrile at 60℃; for 1h;8 %Chromat.
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

Cinnamyl bromide
4392-24-9

Cinnamyl bromide

N-cinnamyl-2,2,6,6-tetramethylpiperidin-4-ol

N-cinnamyl-2,2,6,6-tetramethylpiperidin-4-ol

Conditions
ConditionsYield
In toluene at 130℃; for 40h; Autoclave; Inert atmosphere; chemoselective reaction;88%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

tetramethyl 3,3',3'',3'''-(hexane-1,6-diylbis(azanetriyl))tetrapropanoate

tetramethyl 3,3',3'',3'''-(hexane-1,6-diylbis(azanetriyl))tetrapropanoate

tetrakis(2,2,6,6-tetramethylpiperidin-4-yl) 3,3',3'',3'''-(hexane-1,6-diylbis(azanetriyl))tetrapropanoate
65559-14-0

tetrakis(2,2,6,6-tetramethylpiperidin-4-yl) 3,3',3'',3'''-(hexane-1,6-diylbis(azanetriyl))tetrapropanoate

Conditions
ConditionsYield
With titanium(IV) isopropylate In octane for 7h; Reflux;87.2%
4-hydroxy-2,2,6,6-tetramethylpiperidine
2403-88-5

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

3-phenylglutaric acid
4165-96-2

3-phenylglutaric acid

C29H46N2O4

C29H46N2O4

Conditions
ConditionsYield
Stage #1: 4-hydroxy-2,2,6,6-tetramethylpiperidine; 3-phenylglutaric acid With dmap In dichloromethane for 0.5h; Inert atmosphere;
Stage #2: With dicyclohexyl-carbodiimide In dichloromethane at -5 - 20℃; for 8h; Inert atmosphere;
86.2%
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