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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

Al-trans-retinol

Cas:68-26-8

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Tianjin Kind Pharma Co., Ltd.

Factory direct sales, accept customization. Kind Pharma has its own laboratory, we can do analytical testing for API (Active Pharmaceutical Ingredient), pharmaceutical intermediate, pesticide intermediate, additive and other chemical products, so it

Vitamin A

Cas:68-26-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Kono Chem Co.,Ltd

Superiority pioneerbiotech is a leading manufacturer and supplier of chemicals in China. We develop ,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. We could give you: 1.Bes

High quality pure Retinol CAS No.68-26-8

Cas:68-26-8

Min.Order:1 Kilogram

FOB Price: $460.0 / 500.0

Type:Other

inquiry

Hangzhou Fonlynn Health Technology Co., Ltd.

Packing: According to customer requirements Delivery time: In stock or depands Port of shipment: Ningbo/Shanghai/Qingdao OEM/ODM:Welcome Sample:We can offer our existing samples at once Appearance:oil or powder Storage:Refer to COA / MSDS Packa

Vitamin A Acetate / Vitamin A Palmitate 68-26-8 CAS powder / oil

Cas:68-26-8

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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

high quality vitamins tretinoin /retinoic acid/vitamin a CAS:68-26-8

Cas:68-26-8

Min.Order:1 Kilogram

FOB Price: $472.0 / 475.0

Type:Trading Company

inquiry

Luhan Pharmachem Co., Ltd

Luhan Pharmachem Co., Ltd. owns strong elite professional quality sales force, has the customer base from the US, Europe, Japan, Southeast Asia, Korea, Hong Kong, Taiwan and other countries and regions, the company operates in accordance with the mod

Vitamin A

Cas:68-26-8

Min.Order:0 Metric Ton

Negotiable

Type:Other

inquiry

Dayang Chem (Hangzhou) Co.,Ltd.

Dayangchem's 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. DayangChem can provide different quantities

Retinol Manufacturer/High quality/Best price/In stock

Cas:68-26-8

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

inquiry

Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay (Ursolic acid) 98%min 98.22% ----------------------------------------------------------------

High purity 68-26-8 Vitamine A oil

Cas:68-26-8

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Trading Company

inquiry

Hebei yanxi chemical co.,LTD.

Hebei yanxi chemical co., LTD is a professional research, development and production 2-phenylacetamide enterprise backbone members by local well-known entrepreneurs and professional senior engineers in the party's "low carbon environ

High quality pure Retinol CAS NO.68-26-8

Cas:68-26-8

Min.Order:100 Gram

FOB Price: $2.0

Type:Manufacturers

inquiry

Xi'an Quanao Biotech Co., Ltd.

We are: Focus on the research, production and sale of Plant and Animal extract, Medical intermediate, complete coverage six industries. Product grade: Medicine, Health care product, Cosmetics, Food,Feed, Biopesticide. Hot selling market: Europe,

Free sample Rapid delivery avocado seed extract powder 10:1

Cas:68-26-8

Min.Order:2 Kilogram

FOB Price: $15.2 / 18.8

Type:Manufacturers

inquiry

Henan Allgreen Chemical Co.,Ltd

T he company has advanced technology, as well as a large number of excellent R & D team, to provide customers from the grams to one hundred kilograms and tons of high-quality products, competitive prices and quality service Appearance:White

VITAMIN A

Cas:68-26-8

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 Retinol

Cas:68-26-8

Min.Order:1

Negotiable

Type:Other

inquiry

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

Large Stock 99.0% high quality of Retinol 68-26-8 powder factory 68-26-8 Producer

Cas:68-26-8

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

inquiry

Chengdu Lemeitian Pharmaceutical Technology Co,. Ltd

ADVANTAGE: 1. More than 3,000 Chinese medicine reference substances / standard products available from stock, issued on the same day, multiple cities can be delivered the next day 2. The products are provided with COA, HPLC, NMR, quality assurance,

vitamin A

Cas:68-26-8

Min.Order:10 Metric Ton

Negotiable

Type:Manufacturers

inquiry

Shanghai Seasonsgreen Chemical Co.,Ltd

Shanghai Seasonsgreen Chemical is a high-tech research and development, production, sale and custom synthesis set in one high-tech chemical products enterprises. Our sales and marketing division is located in Shanghai, serving international pharmaceu

lower price High quality all-trans-Retinol

Cas:68-26-8

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Manufacturers

inquiry

Shanxi Zorui Biotechnology Co.Ltd.

Zorui combines R&D, production and sales into its operations, While continuously providing high-quality raw materials, we also provide and optimize technical solutions for customers to achieve mutual benefit. We adhere to the "quality, integ

Vitamin A Yellow Powder Retinol GMP Manufacturer CAS 68-26-8

Cas:68-26-8

Min.Order:1 Kilogram

Negotiable

Type:Other

inquiry

Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 11 years, we have grown up as a famous fine chemicals supplier in China and we had established stable business relationships with Samsung,LG,Merck,Thermo Fisher Scientific and so on.

Retinol 68-26-8

Cas:68-26-8

Min.Order:1 Gram

FOB Price: $350.0

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

CAS :68-26-8 Vitamin a / Retinol

Cas:68-26-8

Min.Order:1 Gram

FOB Price: $50.0 / 54.0

Type:Trading Company

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

Pharmaceutical Grade CAS 68-26-8 with competitive price

Cas:68-26-8

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

Retinol 68-26-8

Cas:68-26-8

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Product name Vitamin A/Retinol powder CAS 68-26-8 Specification 98% EINECS 200-683-7 MF

Vitamin A CAS:68-26-8

Cas:68-26-8

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Appearance:yellow to orange crystalline solid Storage:Room temperature Package:25kg/drum Application:Fat-soluble vitamins Transportation:Express/Sea/Air Port:Any port in china

Factory Supply Vitamin A CAS:68-26-8 Bulk Retinol all-trans-Retinol

Cas:68-26-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei Langyou International Trading Co., Ltd

Advantages: Hubei XinRunde Chemical Co., Ltd is a renowned pharmaceutical manufacturer. We can offer high quality products at competitive price in quick delivery with 100% custom pass guaranteed. Never stop striving to offer our best service is our

USP Standard Retinol Powder Vitamin a with Good Price CAS 68-26-8

Cas:68-26-8

Min.Order:10 Gram

Negotiable

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

Retinol 68-26-8

Cas:68-26-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

HANWAYS CHEMPHARM CO.,LIMITED

Hanways Chempharm Co., Limited, the former is Hubei Hanways Pharchem CO.,Limited, set up in 2009 in Wuhan, China. We specialize in sourcing and supplying APIs, pharmaceutical intermediates, and fine chemicals for worldwide markets. The founder has d

Vitamin A

Cas:68-26-8

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Trading Company

inquiry

Xi'an Faithful Biotech Co., Ltd.

We are the manufacturers and suppliers of API in China, and warehouse in Germany and USA of California, which can quickly and safely deliver to your address 1.High quality and competitive price. 2.Free sample for your evaluation. 3.Promptly delivery

Shanghai Minstar Chemical Co., Ltd

Product Name: all-trans-Retinol CAS: 68-26-8 MF: C20H30O MW: 286.45 EINECS: 200-683-7 Mol File: 68-26-8.mol all-trans-Retinol Structure all-trans-Retinol Chemical Properties Melting point 61-63 °C(lit.) Boiling point 3

all-trans-Retinol

Cas:68-26-8

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

inquiry

Qingdao Beluga Import and Export Co., LTD

all-trans-RetinolCAS: 68-26-8 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 organic intermedia

all-trans-RetinolCAS: 68-26-8

Cas:68-26-8

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

Retinol

Cas:68-26-8

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

LIDE PHARMACEUTICALS LIMITED

Advantage : LIDE PHARMACEUTICALS LTD. is a mid-small manufacturing-type enterprise, engaged in pharmaceutical intermediates of R&D, custom-made and production, and also involving trading chemicals for export. We have established the R&amp

Retinol/ LIDE PHARMA- Factory supply / Best price

Cas:68-26-8

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

ethenol
557-75-5

ethenol

(+/-)-7-hydroxy-3.7-dimethyl-1-(2.2.6-trimethyl-cyclohexen-(6)-yl)-nonatetraene-(1.3.5.8)
39668-33-2

(+/-)-7-hydroxy-3.7-dimethyl-1-(2.2.6-trimethyl-cyclohexen-(6)-yl)-nonatetraene-(1.3.5.8)

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With hydrogenchloride In toluene at 50℃; for 1h; Temperature;95%
9-(2,6,6-Trimethyl-cyclohex-1-enyl)-5-phenyl-sulphonyl-3,7-dimethyl-1-acetoxy-nona-2,6,8-triene
50465-60-6

9-(2,6,6-Trimethyl-cyclohex-1-enyl)-5-phenyl-sulphonyl-3,7-dimethyl-1-acetoxy-nona-2,6,8-triene

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With sodium ethanolate In ethanol Heating;94%
(2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal
3917-41-7

(2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal

(E)-4-chloro-3-methyl-2-buten-1-ol
53170-97-1

(E)-4-chloro-3-methyl-2-buten-1-ol

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
Stage #1: (E)-4-chloro-3-methyl-2-buten-1-ol With triphenylphosphine In methanol at 45℃; for 1h;
Stage #2: (2E,4E)-3-methyl-5-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2,4-pentadienal With sodium hydroxide In methanol; water at 45℃; for 1h; Reagent/catalyst;
90%
tert-Butyl-[(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraenyloxy]-diphenyl-silane
138922-13-1

tert-Butyl-[(2E,4E,6E,8E)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,4,6,8-tetraenyloxy]-diphenyl-silane

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride In tetrahydrofuran84%
Retinol acetate
127-47-9

Retinol acetate

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With methyllithium In tetrahydrofuran at -15℃; for 0.75h; Inert atmosphere;83%
With water
With methyllithium In diethyl ether at -15℃; for 2h;600 mg
(E,E)-(5-hydroxy-3-methylpenta-1,3-dienyl)boronic acid
120040-83-7

(E,E)-(5-hydroxy-3-methylpenta-1,3-dienyl)boronic acid

2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene
138846-06-7

2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With tetrakis(triphenylphosphine) palladium(0); TlOH In tetrahydrofuran for 0.5h; Ambient temperature;83%
(2E,4E)-5-(benzyldimethylsilyl)-3-methylpenta-2,4-dien-1-ol
1430344-83-4

(2E,4E)-5-(benzyldimethylsilyl)-3-methylpenta-2,4-dien-1-ol

2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene
138846-06-7

2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
Stage #1: (2E,4E)-5-(benzyldimethylsilyl)-3-methylpenta-2,4-dien-1-ol With tetrabutyl ammonium fluoride In tetrahydrofuran at 0℃; for 0.5h; Hiyama Coupling; Inert atmosphere;
Stage #2: 2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene With tris(dibenzylideneacetone)dipalladium(0) chloroform complex In tetrahydrofuran at 0 - 25℃; for 3.5h; Hiyama Coupling; Inert atmosphere;
82%
Stage #1: (2E,4E)-5-(benzyldimethylsilyl)-3-methylpenta-2,4-dien-1-ol With tetrabutyl ammonium fluoride In tetrahydrofuran at 20℃; for 0.5h; Hiyama Coupling; Inert atmosphere; Darkness;
Stage #2: 2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene With tris(dibenzylideneacetone)dipalladium(0) chloroform complex In tetrahydrofuran for 1h; Hiyama Coupling; Inert atmosphere; Darkness;
77%
tBDMS-retinol
118353-70-1

tBDMS-retinol

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With tetrabutyl ammonium fluoride80%
With tetrabutyl ammonium fluoride In tetrahydrofuran for 2h; Ambient temperature;80%
Retinol acetate
127-47-9

Retinol acetate

1-hexadecylcarboxylic acid
57-10-3

1-hexadecylcarboxylic acid

A

retinyl palmitate
79-81-2

retinyl palmitate

B

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin); Amberlyst A-21 In toluene at 20℃; for 15h; Product distribution / selectivity; Enzymatic reaction;A 78%
B n/a
1-acetoxy-3,7-dimethyl-8-(tetrahydropyran-2-yl)oxy-9-phenylsulfonyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2(E),6(E)-nonadiene
103905-07-3

1-acetoxy-3,7-dimethyl-8-(tetrahydropyran-2-yl)oxy-9-phenylsulfonyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2(E),6(E)-nonadiene

A

2-cis-Vitamin-A
2052-63-3

2-cis-Vitamin-A

C

11-cis-retinol
22737-96-8

11-cis-retinol

D

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With potassium methanolate In cyclohexane at 38℃; for 2h;A n/a
B n/a
C n/a
D 77%
With potassium methanolate In cyclohexane at 38℃; for 2h; Title compound not separated from byproducts;
ethyl (all-E)-retinoate
3899-20-5

ethyl (all-E)-retinoate

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With diisobutylaluminium hydride76%
trans-tetrahydropyran-2-yl retinyl ether
138842-95-2

trans-tetrahydropyran-2-yl retinyl ether

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With methanol; chloro-trimethyl-silane; water In tetrahydrofuran for 0.0833333h;74%
With chloro-trimethyl-silane; water In methanol for 0.166667h; Inert atmosphere;74%
With chloro-trimethyl-silane; water In methanol for 0.166667h;74%
Retinol acetate
127-47-9

Retinol acetate

Thioctic acid
1077-28-7, 62-46-4

Thioctic acid

A

retinyl lipoate

retinyl lipoate

B

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin); Amberlyst A-21 In toluene at 20℃; for 21h; Product distribution / selectivity; Enzymatic reaction; Sonication;A 71%
B n/a
linoleic acid
60-33-3

linoleic acid

Retinol acetate
127-47-9

Retinol acetate

A

retinyl linoleate

retinyl linoleate

B

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin); Amberlyst A-21 In toluene at 20℃; for 2 - 50h; Product distribution / selectivity; Enzymatic reaction;A 71%
B n/a
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin) In toluene at 20 - 50℃; for 1 - 2h; Product distribution / selectivity; Enzymatic reaction;
With Lipozyme TI IM; Amberlyst A-21 In toluene at 20℃; for 45h; Product distribution / selectivity; Enzymatic reaction;
cis-Octadecenoic acid
112-80-1

cis-Octadecenoic acid

Retinol acetate
127-47-9

Retinol acetate

A

retinyl stearate
631-88-9

retinyl stearate

B

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With Novozyme 435 (from Candida antarctica immobilized on acrylic resin); Amberlyst A-21 In toluene at 20℃; for 15h; Product distribution / selectivity; Enzymatic reaction;A 69%
B n/a
formaldehyd
50-00-0

formaldehyd

trimethylaluminum
75-24-1

trimethylaluminum

1-((E,E,E)-3-methyl-1,3,5-octatrien-7-ynyl)-2,6,6-trimethyl-1-cyclohexene
111917-89-6

1-((E,E,E)-3-methyl-1,3,5-octatrien-7-ynyl)-2,6,6-trimethyl-1-cyclohexene

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
Multistep reaction.;67%
2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene
138846-06-7

2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene

(2E,4E)-3-methyl-5-(tri-n-butylstannyl)penta-2,4-dien-1-ol
128426-10-8

(2E,4E)-3-methyl-5-(tri-n-butylstannyl)penta-2,4-dien-1-ol

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
Stage #1: 2-[(1’E,3’E)-3’-methyl-4’-iodobuta-1’,3’-dien-1’yl]-1,3,3-trimethylcyclohex-1-ene With 1-methyl-pyrrolidin-2-one; tris-(dibenzylideneacetone)dipalladium(0); triphenyl-arsane at 25℃; for 0.166667h; Stille Cross-Coupling (Migita-Kosugi-Stille Coupling); Inert atmosphere;
Stage #2: (2E,4E)-5-(tri-n-butylstannyl)-3-methylpenta-2,4-dien-1-ol at 25℃; Stille Cross-Coupling (Migita-Kosugi-Stille Coupling); Inert atmosphere;
60%
all-trans-Retinal
116-31-4

all-trans-Retinal

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With diisobutylaluminium hydride
With triethylaluminum
With sodium tetrahydroborate In ethanol Ambient temperature; 2-3 h;
all-trans-methyl retinoate
339-16-2

all-trans-methyl retinoate

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With lithium aluminium tetrahydride; diethyl ether
(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol
3230-76-0, 34255-07-7, 60102-36-5, 62653-03-6

(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol

benzoyl chloride
98-88-4

benzoyl chloride

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With benzene weiteres Edukt: N.N-Dimethyl-anilin; ueber mehrere Stufen;
With benzene weiteres Edukt: Chinolin; ueber mehrere Stufen;
With benzene weiteres Edukt: Pyridin; ueber mehrere Stufen;
(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol
3230-76-0, 34255-07-7, 60102-36-5, 62653-03-6

(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol

acetyl chloride
75-36-5

acetyl chloride

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With benzene weiteres Edukt: Chinolin; ueber mehrere Stufen;
With benzene weiteres Edukt: Pyridin; ueber mehrere Stufen;
With benzene weiteres Edukt: N.N-Dimethyl-anilin; ueber mehrere Stufen;
(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol
3230-76-0, 34255-07-7, 60102-36-5, 62653-03-6

(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol

butyryl chloride
141-75-3

butyryl chloride

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With benzene weiteres Edukt: Pyridin; ueber mehrere Stufen;
With benzene weiteres Edukt: N.N-Dimethyl-anilin; ueber mehrere Stufen;
With benzene weiteres Edukt: Chinolin; ueber mehrere Stufen;
(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol
3230-76-0, 34255-07-7, 60102-36-5, 62653-03-6

(+/-)-3,7-dimethyl-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2c,4c,7ξ-triene-1,6-diol

n-hexadecanoyl chloride
112-67-4

n-hexadecanoyl chloride

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With benzene weiteres Edukt: N.N-Dimethyl-anilin; ueber mehrere Stufen;
With benzene weiteres Edukt: Chinolin; ueber mehrere Stufen;
With benzene weiteres Edukt: Pyridin; ueber mehrere Stufen;
retinoyl fluoride
83802-77-1

retinoyl fluoride

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With lithium aluminium tetrahydride Yield given;
Acetic acid (2Z,6E)-9-benzenesulfonyl-3,7-dimethyl-8-(tetrahydro-pyran-2-yloxy)-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6-dienyl ester
103905-07-3, 105615-50-7

Acetic acid (2Z,6E)-9-benzenesulfonyl-3,7-dimethyl-8-(tetrahydro-pyran-2-yloxy)-9-(2,6,6-trimethyl-cyclohex-1-enyl)-nona-2,6-dienyl ester

A

2-cis-Vitamin-A
2052-63-3

2-cis-Vitamin-A

B

11,13-Di-cis-vitamin A
17706-49-9

11,13-Di-cis-vitamin A

C

(9Z,13Z)-retinol
29444-25-5

(9Z,13Z)-retinol

D

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With potassium methanolate In cyclohexane at 38℃; for 2h; Yield given. Title compound not separated from byproducts;
With potassium methanolate In cyclohexane at 38℃; for 2h; Title compound not separated from byproducts;
1-acetoxy-3,7-dimethyl-8-(tetrahydropyran-2-yl)oxy-9-phenylsulfonyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2(E),6(E)-nonadiene
103905-07-3

1-acetoxy-3,7-dimethyl-8-(tetrahydropyran-2-yl)oxy-9-phenylsulfonyl-9-(2,6,6-trimethyl-1-cyclohexen-1-yl)-2(E),6(E)-nonadiene

B

11-cis-retinol
22737-96-8

11-cis-retinol

C

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
With potassium methanolate In cyclohexane at 38℃; for 2h;
acetic anhydride
108-24-7

acetic anhydride

RETINOL
68-26-8

RETINOL

Retinol acetate
127-47-9

Retinol acetate

Conditions
ConditionsYield
In hexane at 35℃; for 1h; Solvent; Temperature;99.5%
In hexane at 35℃; for 1h;99.5%
With triethylamine In hexane at 25℃; for 24h; Inert atmosphere; Darkness;76%
RETINOL
68-26-8

RETINOL

n-hexadecanoyl chloride
112-67-4

n-hexadecanoyl chloride

retinyl palmitate
79-81-2

retinyl palmitate

Conditions
ConditionsYield
In toluene at 35℃; for 1h;99%
With pyridine In 1,2-dichloro-ethane
undecanoic acid anhydride
2082-77-1

undecanoic acid anhydride

RETINOL
68-26-8

RETINOL

vitamin-A undecanoate

vitamin-A undecanoate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h;98.73%
RETINOL
68-26-8

RETINOL

propionic acid
802294-64-0

propionic acid

vitamin A Propionate
7069-42-3

vitamin A Propionate

Conditions
ConditionsYield
With toluene-4-sulfonic acid In cyclohexane at 70℃; for 2h;98%
palmitic anhydride
623-65-4

palmitic anhydride

RETINOL
68-26-8

RETINOL

retinyl palmitate
79-81-2

retinyl palmitate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h; Solvent;97.62%
pentadecanoic acid anhydride
59252-34-5

pentadecanoic acid anhydride

RETINOL
68-26-8

RETINOL

vitamin-A pentadecanoate

vitamin-A pentadecanoate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h;97.48%
RETINOL
68-26-8

RETINOL

myristic anhydride
626-29-9

myristic anhydride

vitamin-A myristate

vitamin-A myristate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h;97.09%
tridecanoic acid anhydride
53517-88-7

tridecanoic acid anhydride

RETINOL
68-26-8

RETINOL

vitamin-A tridecanoate

vitamin-A tridecanoate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h;97.01%
RETINOL
68-26-8

RETINOL

bromoacetic acid methyl ester
96-32-2

bromoacetic acid methyl ester

bromoacetic acid retinol ester
81112-43-8

bromoacetic acid retinol ester

Conditions
ConditionsYield
Novozym 435 In toluene at 20℃; for 26h; Inert atmosphere;97%
lauric anhydride
645-66-9

lauric anhydride

RETINOL
68-26-8

RETINOL

Retinyl laurate
1259-24-1

Retinyl laurate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h;96.85%
capric anhydride
2082-76-0

capric anhydride

RETINOL
68-26-8

RETINOL

vitamin-A decanoate
79279-28-0

vitamin-A decanoate

Conditions
ConditionsYield
With aluminum oxide In Petroleum ether at 40℃; for 2h;96.73%
hexadecanoic acid methyl ester
112-39-0

hexadecanoic acid methyl ester

RETINOL
68-26-8

RETINOL

retinyl palmitate
79-81-2

retinyl palmitate

Conditions
ConditionsYield
at 60℃; under 0.750075 Torr; for 3h; Temperature; Large scale;94%
retinol anhydride

retinol anhydride

RETINOL
68-26-8

RETINOL

retinoic anhydride
58175-89-6

retinoic anhydride

Conditions
ConditionsYield
With triethylamine In dichloromethane92%
RETINOL
68-26-8

RETINOL

all-trans-retinoic-acid
302-79-4

all-trans-retinoic-acid

Conditions
ConditionsYield
With tris(triphenylphosphine)ruthenium(II) chloride; oxygen; bis-(3-methyl-1-imidazolyl)ethylene tetrafluoroborate In hexane at 50℃; under 760.051 Torr; for 3h; Reagent/catalyst; Darkness;90.2%
Multi-step reaction with 2 steps
1: MnO2 / CH2Cl2 / 2 h / Ambient temperature
2: 80 percent / AgO, NaCN / methanol / 18 h / Ambient temperature
View Scheme
Multi-step reaction with 2 steps
1: 90 percent / MnO2 / CH2Cl2 / Ambient temperature
2: AgO / CNNa / methanol
View Scheme
RETINOL
68-26-8

RETINOL

all-trans-Retinal
116-31-4

all-trans-Retinal

Conditions
ConditionsYield
With manganese(IV) oxide In dichloromethane Ambient temperature;90%
With manganese(IV) oxide; sodium carbonate In dichloromethane for 4h; Inert atmosphere;90%
With manganese(IV) oxide90%
4-Phenyl-1,2,4-triazolidine-3,5-dione
4233-33-4

4-Phenyl-1,2,4-triazolidine-3,5-dione

RETINOL
68-26-8

RETINOL

5-Hydroxymethyl-6-methyl-8-[(1E,3E)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-2-phenyl-5,8-dihydro-[1,2,4]triazolo[1,2-a]pyridazine-1,3-dione
135154-45-9

5-Hydroxymethyl-6-methyl-8-[(1E,3E)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-2-phenyl-5,8-dihydro-[1,2,4]triazolo[1,2-a]pyridazine-1,3-dione

Conditions
ConditionsYield
In dichloromethane at -78℃;90%
RETINOL
68-26-8

RETINOL

4-<2-(6,7-dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxalyl)ethyl>-1,2,4-triazoline-3,5-dione
132788-52-4

4-<2-(6,7-dimethoxy-4-methyl-3-oxo-3,4-dihydroquinoxalyl)ethyl>-1,2,4-triazoline-3,5-dione

2-[2-(6,7-Dimethoxy-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-ethyl]-5-hydroxymethyl-6-methyl-8-[(1E,3E)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-5,8-dihydro-[1,2,4]triazolo[1,2-a]pyridazine-1,3-dione
135154-50-6

2-[2-(6,7-Dimethoxy-4-methyl-3-oxo-3,4-dihydro-quinoxalin-2-yl)-ethyl]-5-hydroxymethyl-6-methyl-8-[(1E,3E)-2-methyl-4-(2,6,6-trimethyl-cyclohex-1-enyl)-buta-1,3-dienyl]-5,8-dihydro-[1,2,4]triazolo[1,2-a]pyridazine-1,3-dione

Conditions
ConditionsYield
In dichloromethane at -78℃;90%
In dichloromethane at 0℃; for 1h;
RETINOL
68-26-8

RETINOL

A

13-cis-vitamin A aldehyde
472-86-6

13-cis-vitamin A aldehyde

B

all-trans-Retinal
116-31-4

all-trans-Retinal

Conditions
ConditionsYield
With manganese(IV) oxide In dichloromethane for 12h; Inert atmosphere; Fluorescence light;A 8%
B 90%
poly(methacrylic acid)
79-41-4

poly(methacrylic acid)

RETINOL
68-26-8

RETINOL

vitamin A methacrylate

vitamin A methacrylate

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In Petroleum ether at 50℃;89%
With dicyclohexyl-carbodiimide In Petroleum ether at 50℃;89%
With dicyclohexyl-carbodiimide In Petroleum ether at 50℃;89%
succinic acid anhydride
108-30-5

succinic acid anhydride

RETINOL
68-26-8

RETINOL

retinyl monosuccinate
13241-44-6

retinyl monosuccinate

Conditions
ConditionsYield
With dmap; triethylamine In dichloromethane for 12h; Ambient temperature;88%
With dmap In dichloromethane at 20℃;85%
With dmap; triethylamine In dichloromethane at 20℃; for 12h;3.4 g
With 1-pentyl-3-methylimidazolium nitrate at 50℃; for 3h; Darkness; Inert atmosphere; Green chemistry;
RETINOL
68-26-8

RETINOL

pivalaldehyde
630-19-3

pivalaldehyde

A

2,2-dimethyl-propanol-1
75-84-3

2,2-dimethyl-propanol-1

B

all-trans-Retinal
116-31-4

all-trans-Retinal

Conditions
ConditionsYield
With aluminum isopropoxide In waterA n/a
B 87%
With aluminum isopropoxide In water
2,2-dimethyl-4-pentenal
5497-67-6

2,2-dimethyl-4-pentenal

RETINOL
68-26-8

RETINOL

A

2,2-dimethylpent-4-en-1-ol
3420-42-6

2,2-dimethylpent-4-en-1-ol

B

all-trans-Retinal
116-31-4

all-trans-Retinal

Conditions
ConditionsYield
With aluminum isopropoxide In waterA n/a
B 87%
triphenylphosphine hydrobromide
6399-81-1

triphenylphosphine hydrobromide

RETINOL
68-26-8

RETINOL

Conditions
ConditionsYield
In methanol at 20℃; for 1h;86%
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