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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 services. DayangChem can provide different quantities of custom synthesis

DL-alpha-Tocopherol in stock

Cas:10191-41-0

Min.Order:1 Kilogram

FOB Price: $5.0

Type:Lab/Research institutions

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Shanghai Minstar Chemical Co., Ltd

Product Name: DL-α-Tocopherol CAS: 10191-41-0 MF: C29H50O2 MW: 430.71 EINECS: 233-466-0 Mol File: 10191-41-0.mol DL-α-Tocopherol Structure DL-α-Tocopherol Chemical Properties Melting point 2-4°C alpha

DL-α-Tocopherol

Cas:10191-41-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Simagchem Corporation

Welcome to Simagchem, your partner in China as a premier supply of bulk specialty chemicals for industry and life science. We introduce experienced quality product and exceptional JIT service with instant market intelligence in China to benefit our

High quality Dl-Alpha-Tocopherol (Vitamin E) Oil. supplier in China

Cas:10191-41-0

Min.Order:1 Kilogram

Negotiable

Type:Manufacturers

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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 developm

High quality DL-alpha-Tocopherol

Cas:10191-41-0

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Manufacturer supply DL-α-Tocopherol CAS 10191-41-0 with good quality Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food

Manufacturer supply DL-α-Tocopherol CAS 10191-41-0 with good quality

Cas:10191-41-0

Min.Order:10 Kilogram

FOB Price: $10.0

Type:Trading Company

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Hefei TNJ chemical industry co.,ltd

1. Product List of Tocopherol : Food grade Product name Packing specification Mixed Tocopherol Con

good quality Vitamin E (in oil)

Cas:10191-41-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

Vitamin E Basic information Product Name: Vitamin E Synonyms: ALL-RAC-ALPHA-TOCOPHEROL;(+/-)-ALPHA-TOCOPHEROL;(+/-)-ALPHA-TOCOFEROL;ALPHA-TOCOPHEROLUM;ALPHA-DL-TOCO

Vitamin E 10191-41-0

Cas:10191-41-0

Min.Order:1 Gram

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

shanghai Tauto Biotech Co., Ltd

17-year experience in Phytochemicals Each product has passed very strict tests (NMR\MS\HPLC) Agents in 13 countries Certified by ISO 9001:2008 quality management system Leader Supplier of Botanical Reference Materials in China 3000 kinds of

DL-α-Tocopherol

Cas:10191-41-0

Min.Order:1 Gram

Negotiable

Type:Manufacturers

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

High Quality 99% dl-alpha-Tocopherol 10191-41-0 ISO Producer

Cas:10191-41-0

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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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 E

Cas:10191-41-0

Min.Order:10 Metric Ton

Negotiable

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

CAS 10191-41-0 DL-Alpha-Tocopherol Antioxidant And Nutritional Enhancer

Cas:10191-41-0

Min.Order:1 Kilogram

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

DL-alpha-Tocopherol

Cas:10191-41-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hubei DiBo chemical co., LTD

Name:Alpha tocopherol CAS NO:10191-41-0 Grade:Medical scientific research and export Molecular formula:C31H52O3 Molecular weight:472.75 Product Quality 12 years of chemical raw materials Mature operation of the industry System stability D

Alpha tocopherol/ CAS:10191-41-0/raw material/ high-quality

Cas:10191-41-0

Min.Order:25 Kilogram

FOB Price: $2.0 / 3.0

Type:Other

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Henan Tianfu Chemical Co., Ltd.

Our company was built in 2009 with an ISO certificate.In the past 5 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.

(§1)-alpha-Tocopherol, synthetic, 95%

Cas:10191-41-0

Min.Order:1 Metric Ton

Negotiable

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

DL-α-Tocopherol

Cas:10191-41-0

Min.Order:1 Gram

FOB Price: $1.0 / 99.0

Type:Trading Company

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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

Food Grade CAS 10191-41-0 with best price

Cas:10191-41-0

Min.Order:10 Gram

FOB Price: $146.0 / 176.0

Type:Trading Company

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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

Factory Supply Vitamin E DL-alpha-Tocopherol 96%oil vitamins made in china CAS NO.10191-41-0

Cas:10191-41-0

Min.Order:10 Kilogram

Negotiable

Type:Trading Company

inquiry

Henan Sinotech Import&Export Corporation

Name Vitamin E Price CAS No. 10191-41-0 Brand Faithful Grade Pharma and food Grade

DL-alpha-Tocopherol CAS: 10191-41-0

Cas:10191-41-0

Min.Order:5 Metric Ton

FOB Price: $1.0 / 2.0

Type:Other

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Hubei Langyou International Trading Co., Ltd

Our Adwantage: 1.We have stock so we can delivery quickly at the very day when receive the payment. 2.Best price, first class service, high successful delivery rate. A discount would be given when you make a large order. 3.High qu

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

dl-alpha-Tocopherol 10191-41-0

Cas:10191-41-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

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

Antioxidant Vitamin E with CAS:10191-41-0

Cas:10191-41-0

Min.Order:1 Kilogram

FOB Price: $16.0 / 17.5

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

DL-α-Tocopherol CAS:10191-41-0 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 int

DL-α-Tocopherol CAS:10191-41-0

Cas:10191-41-0

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

dl-alpha-Tocopherol

Cas:10191-41-0

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 10191-41-0 DL-α-Tocopherol

Cas:10191-41-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Hubei CuiRan Biotechnology Co., Ltd

Hubei CuiRan Biotechnology Co., Ltd is a leading company in the research, development, manufacture and marketing of High Quality Phytochemicals and Extracts(especially Active Ingredients from Traditional Chinese Medicine,Traditional Chinese Medicine)

α-tocopherol

Cas:10191-41-0

Min.Order:10 Milligram

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

Vitamin E

Cas:10191-41-0

Min.Order:1 Kilogram

FOB Price: $15.0 / 25.0

Type:Lab/Research institutions

inquiry

Leader Biochemical Group

PRODUCT DETAILS

China Largest Manufacturer factory sales DL-ALPHA-TOCOPHEROL /VITAMIN E CAS 10191-41-0

Cas:10191-41-0

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

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

dl-alpha-Tocopherol

Cas:10191-41-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

isophytol
505-32-8

isophytol

Trimethylhydroquinone
700-13-0

Trimethylhydroquinone

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

Conditions
ConditionsYield
methanetrisulfonic acid In Ethylene carbonate; n-heptane; water at 50 - 140℃; for 1 - 1.66667h;92.4%
methanetrisulfonic acid In 1,2-propylene cyclic carbonate; n-heptane; water at 50 - 140℃; for 1h;91.2%
SnTf(51)-MCM-41 In hexane at 100℃; for 1h;
4-((3R,7R,11R)-3-Hydroxy-3,7,11,15-tetramethyl-hexadecyl)-5,7,8-trimethyl-1-oxa-spiro[2.5]octa-4,7-dien-6-one
129658-43-1

4-((3R,7R,11R)-3-Hydroxy-3,7,11,15-tetramethyl-hexadecyl)-5,7,8-trimethyl-1-oxa-spiro[2.5]octa-4,7-dien-6-one

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

Conditions
ConditionsYield
With boron trifluoride diethyl etherate In diethyl ether for 4h;60%
5-nitromethyl-γ-tocopherol acetate

5-nitromethyl-γ-tocopherol acetate

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

Conditions
ConditionsYield
With lithium aluminium tetrahydride; aluminium trichloride Reduction;17%
Trimethylhydroquinone
700-13-0

Trimethylhydroquinone

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

(S)-2,3,4,6,7-Pentamethyl-2-((4S,8S)-4,8,12-trimethyl-tridecyl)-2,3-dihydro-benzofuran-5-ol

(S)-2,3,4,6,7-Pentamethyl-2-((4S,8S)-4,8,12-trimethyl-tridecyl)-2,3-dihydro-benzofuran-5-ol

Conditions
ConditionsYield
With 1-(bis-CF3SO2-methyl)-2,3,4,5,6-pentafluoro-benzene In carbon dioxide at 100℃; under 187515 Torr; for 16h; Product distribution; Further Variations:; Pressures; Catalysts; Solvents;A 79 % Chromat.
B 3.4 % Chromat.
DL-α-tocopherol acetate

DL-α-tocopherol acetate

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 75 percent / nitric acid / acetic acid / 0.5 h / 20 °C
2: 17 percent / LiAlH4; AlCl3
View Scheme
Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: 75 percent / silica gel / diethyl ether / 5 h / 0 - 5 °C
2: 60 percent / BF3*Et2O / diethyl ether / 4 h
View Scheme
α-tocopheroxyl radical

α-tocopheroxyl radical

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

Conditions
ConditionsYield
With (E)-5-[2-4-(hydroxyphenyl)ethenyl]-1,3-benzenediol; sodium dodecyl-sulfate at 20℃; pH=7.4; Kinetics; Reagent/catalyst; aq. buffer; Micellar solution;
Trimethylhydroquinone
700-13-0

Trimethylhydroquinone

isophytol

isophytol

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

Conditions
ConditionsYield
Stage #1: Trimethylhydroquinone With acid treated bentonite at 120 - 125℃; for 0.25h; Friedel-Crafts Alkylation;
Stage #2: isophytol at 120 - 125℃; for 10h; Catalytic behavior; Reagent/catalyst; Temperature; Friedel-Crafts Alkylation;
Stage #1: Trimethylhydroquinone With acid treated bentonite at 120 - 125℃; for 0.25h; Friedel-Crafts Alkylation;
Stage #2: isophytol at 120 - 125℃; for 10h; Catalytic behavior; Temperature; Reagent/catalyst; Friedel-Crafts Alkylation;
2,3,5-Trimethyl-1,4-benzoquinone
935-92-2

2,3,5-Trimethyl-1,4-benzoquinone

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1.1: palladium 10% on activated carbon; hydrogen / 23 h / 64 °C / 6000.6 Torr
2.1: acid treated bentonite / 0.25 h / 120 - 125 °C
2.2: 10 h / 120 - 125 °C
View Scheme
(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

epichlorohydrin
106-89-8

epichlorohydrin

2,5,7,8-tetramethyl-6-(oxiran-2-ylmethoxy)-2-(4,8,12-trimethyltridecyl)chroman
153821-44-4

2,5,7,8-tetramethyl-6-(oxiran-2-ylmethoxy)-2-(4,8,12-trimethyltridecyl)chroman

Conditions
ConditionsYield
With tetra(n-butyl)ammonium hydrogensulfate; potassium hydroxide In water at 0 - 20℃; for 4h;96%
(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

epichlorohydrin
106-89-8

epichlorohydrin

C32H54O3

C32H54O3

Conditions
ConditionsYield
With tetra(n-butyl)ammonium hydrogensulfate; potassium hydroxide In water at 0 - 20℃; for 4h;96%
(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

bromoacetic acid methyl ester
96-32-2

bromoacetic acid methyl ester

methyl 2-(2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)chroman-6-yloxy)acetate
1445229-61-7

methyl 2-(2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)chroman-6-yloxy)acetate

Conditions
ConditionsYield
Stage #1: (+/-)-α-tocopherol With sodium hydride In N,N-dimethyl-formamide at 20℃; for 0.5h;
Stage #2: bromoacetic acid methyl ester In N,N-dimethyl-formamide at 20℃; for 15h;
93%
trans-styrylacetic acid
2243-53-0, 59744-46-6, 1914-58-5

trans-styrylacetic acid

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

(E)-(-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)chroman-6-yl) 4-phenyl-but-3-enoate

(E)-(-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)chroman-6-yl) 4-phenyl-but-3-enoate

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 24h;92%
α-L-polyglutamic acid

α-L-polyglutamic acid

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

polyglutamate

polyglutamate

Conditions
ConditionsYield
Stage #1: α-L-polyglutamic acid; (+/-)-α-tocopherol With dmap; diisopropyl-carbodiimide In N,N-dimethyl-formamide at 15℃; for 3h;
Stage #2: With hydrogenchloride In water; N,N-dimethyl-formamide pH=2;
90%
(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

allyl bromide
106-95-6

allyl bromide

DL-α-tocopherol allyl ether

DL-α-tocopherol allyl ether

Conditions
ConditionsYield
With potassium carbonate In acetone for 10h; Reflux;90%
2,5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50-heptadecaoxadopentacontan-52-oic acid

2,5,8,11,14,17,20,23,26,29,32,35,38,41,44,47,50-heptadecaoxadopentacontan-52-oic acid

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

C64H118O20

C64H118O20

Conditions
ConditionsYield
With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 40℃; for 10h; Solvent; Temperature;88%
trans-4-[({[(1,1-dimethylethyl)oxy]carbonyl}amino)methyl]cyclohexanecarboxylic acid

trans-4-[({[(1,1-dimethylethyl)oxy]carbonyl}amino)methyl]cyclohexanecarboxylic acid

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

dl-α-tocopherol BOC-tranexamate

dl-α-tocopherol BOC-tranexamate

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In pyridine at 20℃; for 24h;85%
(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

bromoacetic acid methyl ester
96-32-2

bromoacetic acid methyl ester

2-tocopheryloxy ethanol

2-tocopheryloxy ethanol

Conditions
ConditionsYield
Stage #1: (+/-)-α-tocopherol; bromoacetic acid methyl ester With potassium carbonate; potassium iodide In acetone Inert atmosphere; Reflux;
Stage #2: With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 4h; Inert atmosphere;
85%
(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

bromoacetic acid methyl ester
96-32-2

bromoacetic acid methyl ester

serinol
534-03-2

serinol

C34H59NO5

C34H59NO5

Conditions
ConditionsYield
Stage #1: (+/-)-α-tocopherol; bromoacetic acid methyl ester With potassium carbonate; potassium iodide In acetone Inert atmosphere; Reflux;
Stage #2: serinol In dimethyl sulfoxide at 25℃; for 6h; Inert atmosphere;
85%
5-azidolevulinic acid
440359-99-9

5-azidolevulinic acid

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

(+/-)-α-tocopherol-5-azidolevulinic acid ester

(+/-)-α-tocopherol-5-azidolevulinic acid ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 12h; Inert atmosphere;83%
(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

methyl iodide
74-88-4

methyl iodide

α-tocopheryl methyl ether

α-tocopheryl methyl ether

Conditions
ConditionsYield
With potassium carbonate In acetone for 36h; Methylation; Heating;82%
(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

5-((tert-butoxycarbonyl)amino)-4-oxopentanoic acid
72072-06-1

5-((tert-butoxycarbonyl)amino)-4-oxopentanoic acid

(+/-)-α-tocopherol-Boc-ALA ester

(+/-)-α-tocopherol-Boc-ALA ester

Conditions
ConditionsYield
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 12h; Inert atmosphere;78%
4-(bromomethyl)-1-methyl-2,6,7-trioxabicyclo[2.2.2]-octane
60028-14-0

4-(bromomethyl)-1-methyl-2,6,7-trioxabicyclo[2.2.2]-octane

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

C34H60O5

C34H60O5

Conditions
ConditionsYield
Stage #1: (+/-)-α-tocopherol With sodium hydride In N,N-dimethyl-formamide at 20℃; for 0.25h;
Stage #2: 4-(bromomethyl)-1-methyl-2,6,7-trioxabicyclo[2.2.2]-octane In tetrahydrofuran at 100℃; for 24h; Inert atmosphere;
Stage #3: With hydrogenchloride In methanol; dichloromethane at 50℃; for 4h; Inert atmosphere;
78%
methanol
67-56-1

methanol

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

8a-methoxy-α-tocopherone
3329-05-3, 119616-52-3, 119616-53-4

8a-methoxy-α-tocopherone

Conditions
ConditionsYield
With potassium hydroxide; iodine at 10℃; for 0.166667h;68%
BOC-glycine
4530-20-5

BOC-glycine

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

tert-Butoxycarbonylamino-acetic acid (R)-2,5,7,8-tetramethyl-2-((4R,8R)-4,8,12-trimethyl-tridecyl)-chroman-6-yl ester

tert-Butoxycarbonylamino-acetic acid (R)-2,5,7,8-tetramethyl-2-((4R,8R)-4,8,12-trimethyl-tridecyl)-chroman-6-yl ester

Conditions
ConditionsYield
Stage #1: BOC-glycine; (+/-)-α-tocopherol With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃;
Stage #2: In dichloromethane at -20℃; for 2h;
60%
With dicyclohexyl-carbodiimide In pyridine for 24h; Ambient temperature;
(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

5-fluorouracil-1-acetic acid
56059-30-4

5-fluorouracil-1-acetic acid

Conditions
ConditionsYield
With dicyclohexyl-carbodiimide In tetrahydrofuran at 50℃; for 48h; Inert atmosphere;60%
(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

ethyl bromoacetate
105-36-2

ethyl bromoacetate

ethyl 2-tocopheryloxy acetate

ethyl 2-tocopheryloxy acetate

Conditions
ConditionsYield
Stage #1: (+/-)-α-tocopherol With sodium hydride In N,N-dimethyl-formamide at 0℃; for 0.25h; Inert atmosphere;
Stage #2: ethyl bromoacetate In N,N-dimethyl-formamide at 20℃; for 16h; Inert atmosphere;
60%
2-Iodobenzyl bromide
40400-13-3

2-Iodobenzyl bromide

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

6-((2-iodobenzyl)oxy)-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)chromane

6-((2-iodobenzyl)oxy)-2,5,7,8-tetramethyl-2-(4,8,12-trimethyltridecyl)chromane

Conditions
ConditionsYield
With potassium carbonate In N,N-dimethyl-formamide at 80℃; for 12h;38%
phthalic anhydride
85-44-9

phthalic anhydride

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

mono-tocopherol phthalate
850655-12-8

mono-tocopherol phthalate

Conditions
ConditionsYield
With stannous octoate In N,N-dimethyl acetamide at 140℃; for 24h;31.1%
terephthalic acid
100-21-0

terephthalic acid

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

mono-tocopherol terephthalate
850655-10-6

mono-tocopherol terephthalate

Conditions
ConditionsYield
With dmap; 2-chloro-1-methyl-pyridinium iodide In N,N-dimethyl acetamide at 50℃; for 4h;27.6%
C45H92N2O2

C45H92N2O2

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

C74H140N2O3

C74H140N2O3

Conditions
ConditionsYield
With Medroxyprogesterone acetate; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride In dichloromethane at 20℃;26%
trimethoxysilane
2487-90-3

trimethoxysilane

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

6-Bromo-1-hexene
2695-47-8

6-Bromo-1-hexene

(6-((DL-α-tocopheryl)oxy)hexyl)trimethoxysilane

(6-((DL-α-tocopheryl)oxy)hexyl)trimethoxysilane

Conditions
ConditionsYield
Stage #1: (+/-)-α-tocopherol; 6-Bromo-1-hexene With sodium hydroxide In N,N-dimethyl-formamide at 20℃; for 12h; Inert atmosphere; Schlenk technique;
Stage #2: trimethoxysilane With platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex In 5,5-dimethyl-1,3-cyclohexadiene; N,N-dimethyl-formamide at 50℃; for 12h; Inert atmosphere; Schlenk technique;
21%
(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

β-D-galactose peracetate
4163-60-4

β-D-galactose peracetate

α-tocopheryl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

α-tocopheryl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside

Conditions
ConditionsYield
With toluene-4-sulfonic acid In nitrobenzene at 90℃; for 5h;20%
(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

β-D-glucose pentaacetate
604-69-3

β-D-glucose pentaacetate

all-rac-α-tocopheryl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside
99502-55-3

all-rac-α-tocopheryl 2,3,4,6-tetra-O-acetyl-β-D-glucopyranoside

Conditions
ConditionsYield
With toluene-4-sulfonic acid In nitrobenzene at 90℃; for 5h;15%
linoleic acid
60-33-3

linoleic acid

(+/-)-α-tocopherol
10191-41-0

(+/-)-α-tocopherol

dl-α-Tocopheryl linoleate
36148-84-2, 51744-92-4, 146566-14-5

dl-α-Tocopheryl linoleate

Conditions
ConditionsYield
With 1,1'-carbonyldiimidazole In chloroform98.9 % Chromat.

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