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Wuhan ZeShanCheng Biomedical Technology Co., Ltd.

Chinese Name: L-ascorbyl Palmitate CAS No.: 137-66-6 Molecular formula: C22H38O7 Molecular weight: 414.53 chemical property White or yellowish white powder. Slight citrus smell. Very soluble in water and vegetable oil. Soluble in ethanol (1g / 4.

L-ascorbyl Palmitate

Cas:137-66-6

Min.Order:1 Kilogram

FOB Price: $1000.0

Type:Trading Company

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Leader Biochemical Group

Group profiles Leader Biochemical Group is a large leader incorporated industry manufacturers and suppliers of advanced refined raw materials From the year of 1996 when our factory was put into production to year

China Biggest Factory manufacturer supply Ascorbyl Palmitate

Cas:137-66-6

Min.Order:500 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

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Cartoon Ingredients Co., Ltd

Cartoon Ingredients Co.,Ltd.is located in NanJing, the capital of Jiangsu Province.with Convenient traffic As a manufacturer, the company mainly engaged in providing Food ingredients, Herbal extracts, Vitamins, APIs and Fine chemicals &a

Ascorbyl palmitate

Cas:137-66-6

Min.Order:0

Negotiable

Type:Trading Company

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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 ch

Ascorbyl palmitate Manufacturer/High quality/Best price/In stock

Cas:137-66-6

Min.Order:1 Kilogram

FOB Price: $3.0

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 Ascorbyl Palmitate supplier in China

Cas:137-66-6

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Hangzhou Dingyan Chem Co., Ltd

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

High purity L-Ascorbyl 6-palmitate CAS:137-66-6

Cas:137-66-6

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Manufacturers

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Kono Chem Co.,Ltd

Ascorbyl---Nutritional supplements; anti-oxidants; protecting reagent. Control scurvy, alveolar pyorrhea, anemia, loss of appetite and so on. Can enhance resistance to infectious diseases. In addition, the still shown in t

CAS:137-66-6 Ascorbyl palmitate factory sales

Cas:137-66-6

Min.Order:1 Kilogram

Negotiable

Type:Other

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Hangzhou JINLAN Pharm-Drugs Technology Co., Ltd

Jinlan Pharm-Drugs Technology Co.,Limited (with its export company Hangzhou Royall Import & Export Co.,Ltd.)is located in Hangzhou, Zhejiang Province. Neighboring Ningbo port, Shanghai port, Hangzhou Xiaoshan Int’l Airport and Shanghai Pu

Purity99% Ascorbyl Palmitate CAS no 137-66-6 manufacturer/supplier

Cas:137-66-6

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Ascorbyl palmitate CAS 137-66-6 Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & its intermediates, Food/Feed additives, Fine chemicals in distribu

Ascorbyl palmitate CAS 137-66-6

Cas:137-66-6

Min.Order:25 Kilogram

FOB Price: $10.0

Type:Trading Company

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Hefei TNJ chemical industry co.,ltd

1, Full experience of large numbers containers loading in main Chinese seaports 2, Packing with pallet as buyer's special request 3, Best service after shipment with e-mail 4, Cargoes together with container sales service available

Ascorbyl palmitate; L-Ascorbyl 6-palmitate; 137-66-6

Cas:137-66-6

Min.Order:2 Metric Ton

Negotiable

Type:Trading Company

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Henan Allgreen Chemical Co.,Ltd

high quality Appearance:White or off-white Solid Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea Port:shanghai

ASCORBYL PALMITATE(RG)

Cas:137-66-6

Min.Order:1 Gram

Negotiable

Type:Manufacturers

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Ality Chemical Corporation

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

Factory Supply 6-O-palmitoylascorbic acid

Cas:137-66-6

Min.Order:1

Negotiable

Type:Other

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Xi'an Xszo Chem Co., Ltd.

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

High Quality 99% Ascorbyl palmitate 137-66-6 ISO Producer

Cas:137-66-6

Min.Order:1 Gram

FOB Price: $0.1

Type:Manufacturers

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Xi`an Eastling Biotech Co., Ltd.

Xi'an Eastling biotech Co., Ltd. is dedicated to the research and development, production, and sales of natural plant extracts; With nearly 15 years of experience in identifying, researching, developing, and producing active ingredients for medic

Factory Directly Supply Top Quality Ascorbyl Palmitate

Cas:137-66-6

Min.Order:1 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

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COLORCOM LTD.

Colorcom is a global leader in industrial chemical manufacturing and is continuously innovating and transforming to exceed client expectations and industry standards. Colorcom prides itself on superior customer and technical focus, while focusing on

Ascorbyl Palmitate

Cas:137-66-6

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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 developm

Antioxidant Ascorbyl Palmitate CAS NO.137-66-6

Cas:137-66-6

Min.Order:1 Metric Ton

FOB Price: $1.0 / 3.0

Type:Trading Company

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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

Ascorbyl palmitate

Cas:137-66-6

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

inquiry

Hubei DiBo chemical co., LTD

Name:L-Ascorbyl 6-palmitate CAS NO:137-66-6 Grade:Medical, food industry, etc Product Quality 12 years of chemical raw materials Mature operation of the industry System stability Data storage Security without vulnerability Product Technol

L-Ascorbyl 6-palmitate CAS:137-66-6 Chinese manufacturers high-quality

Cas:137-66-6

Min.Order:25 Kilogram

FOB Price: $1.0 / 2.0

Type:Other

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Henan Tianfu Chemical Co., Ltd.

L-Ascorbyl 6-palmitate Basic information Product Name: L-Ascorbyl 6-palmitate Synonyms: PALMITOYL L-ASCORBIC ACID;6-hexadecanoyl-l-ascorbicacid;6-monopalmitoyl-l-ascorbate;6-o-palmitoyla

TIANFU-CHEM CAS:137-66-6 L-Ascorbyl 6-palmitate

Cas:137-66-6

Min.Order:1 Gram

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

Ascorbyl Palmitate

Cas:137-66-6

Min.Order:1 Kilogram

FOB Price: $9.0 / 99.0

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

Manufacturer supply CAS 137-66-6 with best quality

Cas:137-66-6

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Hebei Sankai Chemical Technology Co., Ltd

1. Product advantages High purity, all above 98.5%, no impurities after dissolution We will test each batch to ensure quality OEM and private brand services designed for free Various cap colors available We can also provide MT1 peptide powd

L-Ascorbyl 6-palmitate

Cas:137-66-6

Min.Order:1 Kilogram

FOB Price: $50.0 / 100.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Name: Ascorbylpalmitate Synonyms: 6-O-palmitoyl-L-ascorbic acid CAS:137-66-6 MF: C22H38O7 Appearance: white powder Storage:Store in cool and dry place, away from sun light. Package: 25kgs/drum Application:Antioxidants Transportation:By sea or by a

Ascorbylpalmitate;

Cas:137-66-6

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hangzhou Sartort Biopharma Co., Ltd

Appearance:White powder Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Any port in china

Ascorbyl Palmitate

Cas:137-66-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

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 quality gua

99% CAS 137-66-6 Ascorbyl palmitate Raw Material for Treatment

Cas:137-66-6

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

Ascorbyl palmitate 137-66-6

Cas:137-66-6

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

Food Additive Nutrition Enhancer L-Ascorbyl Palmitate Powder/ Ascorbyl Palmitate

Cas:137-66-6

Min.Order:1 Kilogram

FOB Price: $178.0

Type:Trading Company

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Shanghai Minstar Chemical Co., Ltd

Product Name: Ascorbyl Palmitate CAS: 137-66-6 MF: C22H38O7 MW: 414.53 EINECS: 205-305-4 Mol File: 137-66-6.mol Ascorbyl Palmitate Structure Ascorbyl Palmitate Chemical Properties Melting point 115-118 °C(lit.) alpha +

Ascorbyl Palmitate

Cas:137-66-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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

Factory supply Competitive Price For Top Quality Vitamin C Ascorbyl Palmitate ascorbyl palmitate powder 137-66-6

Cas:137-66-6

Min.Order:1 Kilogram

FOB Price: $25.0 / 30.0

Type:Trading Company

inquiry

Qingdao Beluga Import and Export Co., LTD

Beluga chemical professional supply China's top L-Ascorbyl 6-palmitate manufacturer Why choose Beluga chemical 1. Beluga Chemical has a professional RESEARCH and development team and strong technical force to ensure technical support and rese

China's top L-Ascorbyl 6-palmitate manufacturer

Cas:137-66-6

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

inquiry

Synthetic route

vinyl palmitate
693-38-9

vinyl palmitate

ascorbic acid
50-81-7

ascorbic acid

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Conditions
ConditionsYield
With Lipozyme TL IM In tert-Amyl alcohol at 40℃; Enzymatic reaction;100%
With phenylboronic acid; dmap 1.) water, t-BuOH, 2.) t-BuOH, 4 days, 25 deg C; Yield given. Multistep reaction;
palmitic anhydride
623-65-4

palmitic anhydride

ascorbic acid
50-81-7

ascorbic acid

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Conditions
ConditionsYield
With dmap at 80℃; for 8h; Temperature; Reagent/catalyst;99.45%
palmitic anhydride
623-65-4

palmitic anhydride

1-hexadecylcarboxylic acid
57-10-3

1-hexadecylcarboxylic acid

ascorbic acid
50-81-7

ascorbic acid

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Conditions
ConditionsYield
Stage #1: 1-hexadecylcarboxylic acid; ascorbic acid With sulfuric acid at 18℃; for 15h;
Stage #2: palmitic anhydride at 28℃; for 20h; Temperature;
91.3%
1-hexadecylcarboxylic acid
57-10-3

1-hexadecylcarboxylic acid

ascorbic acid
50-81-7

ascorbic acid

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Conditions
ConditionsYield
With molecular sieve; immobilized Candida antarctica lipase B (Novozym 435) In tert-Amyl alcohol at 60℃; for 52h; Product distribution; Further Variations:; reaction time; molar ratio of reaction partners;86%
With Novozym 435 (Can-dida antarctica lipase immobilized on macroporous polyacrylicresin) at 70℃; for 1h; Temperature; Time; Solvent; Molecular sieve; Irradiation;71%
With Candida antarctica lipase In tert-butyl alcohol at 70℃; for 2h; ultrasonic irradiation;25.07%
hexadecanoic acid methyl ester
112-39-0

hexadecanoic acid methyl ester

ascorbic acid
50-81-7

ascorbic acid

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Conditions
ConditionsYield
With Bulkholderia multivorans lipase-loaded alumina at 80℃; for 0.666667h; Microwave irradiation; Neat (no solvent); regioselective reaction;83%
hexadecanoic acid ethyl ester
628-97-7

hexadecanoic acid ethyl ester

ascorbic acid
50-81-7

ascorbic acid

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Conditions
ConditionsYield
With Lipozyme TL IM In tert-Amyl alcohol at 40℃; Enzymatic reaction;20%
[(2S)-2-[(2R)-3,4-dibenzyloxy-5-oxo-2H-furan-2-yl]-2-hydroxyethyl] hexadecanoate
914771-19-0

[(2S)-2-[(2R)-3,4-dibenzyloxy-5-oxo-2H-furan-2-yl]-2-hydroxyethyl] hexadecanoate

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Conditions
ConditionsYield
With hydrogen; palladium on activated charcoal In ethanol under 3000.24 Torr;
(R)-3,4-bis(benzyloxy)-5-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)furan-2(5H)-one
2871-84-3

(R)-3,4-bis(benzyloxy)-5-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)furan-2(5H)-one

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Conditions
ConditionsYield
Multi-step reaction with 3 steps
1: aq. AcOH / methanol / 80 °C
2: pyridine; 4-dimethylaminopyridine / CH2Cl2
3: H2 / Pd/C / ethanol / 3000.24 Torr
View Scheme
(2R)-3,4-dibenzyloxy-2-[(1S)-1,2-dihydroxyethyl]-2H-furan-5-one
99663-32-8

(2R)-3,4-dibenzyloxy-2-[(1S)-1,2-dihydroxyethyl]-2H-furan-5-one

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; 4-dimethylaminopyridine / CH2Cl2
2: H2 / Pd/C / ethanol / 3000.24 Torr
View Scheme
ascorbic acid
50-81-7

ascorbic acid

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Conditions
ConditionsYield
Multi-step reaction with 5 steps
1: AcCl
2: K2CO3 / dimethylformamide / Heating
3: aq. AcOH / methanol / 80 °C
4: pyridine; 4-dimethylaminopyridine / CH2Cl2
5: H2 / Pd/C / ethanol / 3000.24 Torr
View Scheme
5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

5,6-O-isopropylidene-L-ascorbic acid

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Conditions
ConditionsYield
Multi-step reaction with 4 steps
1: K2CO3 / dimethylformamide / Heating
2: aq. AcOH / methanol / 80 °C
3: pyridine; 4-dimethylaminopyridine / CH2Cl2
4: H2 / Pd/C / ethanol / 3000.24 Torr
View Scheme
n-hexadecanoyl chloride
112-67-4

n-hexadecanoyl chloride

(+-)-4-bromo-benzoic acid-<2.3-dihydroxy-propyl ester>

(+-)-4-bromo-benzoic acid-<2.3-dihydroxy-propyl ester>

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: pyridine; 4-dimethylaminopyridine / CH2Cl2
2: H2 / Pd/C / ethanol / 3000.24 Torr
View Scheme
ascorbic acid
50-81-7

ascorbic acid

corn oil

corn oil

A

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

B

6-O-linoleoyl L-ascorbate

6-O-linoleoyl L-ascorbate

C

6-O-oleoyl L-ascorbate

6-O-oleoyl L-ascorbate

Conditions
ConditionsYield
With Candida antarctica lipase B immobilized on acrylic resin In 2-methyltetrahydrofuran; tert-butyl alcohol at 50℃; for 24h; Molecular sieve; Green chemistry; Enzymatic reaction;
ascorbic acid
50-81-7

ascorbic acid

olive oil

olive oil

A

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

B

6-O-linoleoyl L-ascorbate

6-O-linoleoyl L-ascorbate

C

6-O-oleoyl L-ascorbate

6-O-oleoyl L-ascorbate

Conditions
ConditionsYield
With Candida antarctica lipase B immobilized on acrylic resin In 2-methyltetrahydrofuran; tert-butyl alcohol at 50℃; for 36h; Catalytic behavior; Kinetics; Solvent; Reagent/catalyst; Molecular sieve; Green chemistry; Enzymatic reaction;
ascorbic acid
50-81-7

ascorbic acid

rapeseed oil

rapeseed oil

A

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

B

6-O-linoleoyl L-ascorbate

6-O-linoleoyl L-ascorbate

C

6-O-oleoyl L-ascorbate

6-O-oleoyl L-ascorbate

Conditions
ConditionsYield
With Candida antarctica lipase B immobilized on acrylic resin In 2-methyltetrahydrofuran; tert-butyl alcohol at 50℃; for 24h; Molecular sieve; Green chemistry; Enzymatic reaction;
ascorbic acid
50-81-7

ascorbic acid

soybean oil

soybean oil

A

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

B

6-O-linoleoyl L-ascorbate

6-O-linoleoyl L-ascorbate

C

6-O-oleoyl L-ascorbate

6-O-oleoyl L-ascorbate

Conditions
ConditionsYield
With Candida antarctica lipase B immobilized on acrylic resin In 2-methyltetrahydrofuran; tert-butyl alcohol at 50℃; for 24h; Molecular sieve; Green chemistry; Enzymatic reaction;
acrolein
107-02-8

acrolein

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Tetrahydro-5'-hydroxy-furan-2'-spiro-3,5(1-hydroxy-2-O-hexadecanoyl-ethyl)-tetrahydro-furan-2,4-dion
121850-68-8

Tetrahydro-5'-hydroxy-furan-2'-spiro-3,5(1-hydroxy-2-O-hexadecanoyl-ethyl)-tetrahydro-furan-2,4-dion

Conditions
ConditionsYield
In ethanol for 96h; Ambient temperature;80%
Thioctic acid
1077-28-7, 62-46-4

Thioctic acid

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

L-6-palmitoyl-2-α-lipoyl-ascorbic acid

L-6-palmitoyl-2-α-lipoyl-ascorbic acid

Conditions
ConditionsYield
Stage #1: Thioctic acid With chloroformic acid ethyl ester; triethylamine In dichloromethane at -15 - 20℃; for 2h;
Stage #2: Ascorbyl palmitate With triethylamine In dichloromethane at -15 - 20℃; for 2h;
71%
bis(cyclopentadienyl)molybdenum(IV) dichloride
12184-22-4

bis(cyclopentadienyl)molybdenum(IV) dichloride

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Cp2Mo(6-O-palmitoyl-L-ascorbato)

Cp2Mo(6-O-palmitoyl-L-ascorbato)

Conditions
ConditionsYield
With sodium hydroxide In water at 20℃; pH=10; Inert atmosphere;60%
strontium (III) chloride hexahydrate

strontium (III) chloride hexahydrate

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

strontium (II) L-ascorbic acid 6-palmitate complex

strontium (II) L-ascorbic acid 6-palmitate complex

Conditions
ConditionsYield
In ethanol; water at 20℃; for 0.0833333h;47%
Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

strontium (II) L-ascorbic acid 6-palmitate complex

strontium (II) L-ascorbic acid 6-palmitate complex

Conditions
ConditionsYield
With strontium (III) chloride hexahydrate In ethanol; water at 20℃; for 0.0833333h;47%
2-nitrophenylmethyl bromide
3958-60-9

2-nitrophenylmethyl bromide

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

C29H43NO9

C29H43NO9

Conditions
ConditionsYield
Stage #1: Ascorbyl palmitate With potassium carbonate In tetrahydrofuran; dimethyl sulfoxide for 0.5h;
Stage #2: 2-nitrophenylmethyl bromide In tetrahydrofuran; dimethyl sulfoxide for 70h; Inert atmosphere;
41%
di-tert-butyl dicarbonate
24424-99-5

di-tert-butyl dicarbonate

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

(S)-2-((R)-4-(tert-butoxycarbonyloxy)-3-hydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyethyl palmitate

(S)-2-((R)-4-(tert-butoxycarbonyloxy)-3-hydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyethyl palmitate

Conditions
ConditionsYield
With pyridine at 20℃; Cooling with ice;40%
6-nitroveratrylbromide
53413-67-5

6-nitroveratrylbromide

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

C31H47NO11

C31H47NO11

Conditions
ConditionsYield
Stage #1: Ascorbyl palmitate With potassium carbonate In tetrahydrofuran; dimethyl sulfoxide for 0.5h;
Stage #2: 6-nitroveratrylbromide In tetrahydrofuran; dimethyl sulfoxide Inert atmosphere;
40%
N,N-diethylcarbamyl chloride
88-10-8

N,N-diethylcarbamyl chloride

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

A

(S)-2-((R)-4-(diethylcarbamoyloxy)-3-hydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyethyl palmitate

(S)-2-((R)-4-(diethylcarbamoyloxy)-3-hydroxy-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyethyl palmitate

B

(S)-2-((R)-3,4-bis(diethylcarbamoyloxy)-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyethyl palmitate

(S)-2-((R)-3,4-bis(diethylcarbamoyloxy)-5-oxo-2,5-dihydrofuran-2-yl)-2-hydroxyethyl palmitate

Conditions
ConditionsYield
With pyridine In toluene at 20℃; for 48h;A 20%
B 37%
p-toluenesulfonyl chloride
98-59-9

p-toluenesulfonyl chloride

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

(S)-2-hydroxy-2-((R)-3-hydroxy-5-oxo-4-(tosyloxy)-2,5-dihydrofuran-2-yl)ethyl palmitate

(S)-2-hydroxy-2-((R)-3-hydroxy-5-oxo-4-(tosyloxy)-2,5-dihydrofuran-2-yl)ethyl palmitate

Conditions
ConditionsYield
With pyridine In toluene at 20℃; Cooling with ice;30%
2-nitrophenylmethyl bromide
3958-60-9

2-nitrophenylmethyl bromide

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

A

C29H43NO9

C29H43NO9

B

C36H48N2O11

C36H48N2O11

Conditions
ConditionsYield
Stage #1: Ascorbyl palmitate With potassium carbonate In tetrahydrofuran; dimethyl sulfoxide at 20℃; for 0.166667h; Inert atmosphere; Cooling; Darkness;
Stage #2: 2-nitrophenylmethyl bromide In tetrahydrofuran; dimethyl sulfoxide at 20℃; for 120h; Inert atmosphere;
A 22%
B 3%
isopropyl alcohol
67-63-0

isopropyl alcohol

acrolein
107-02-8

acrolein

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Hexadecanoic acid (R)-2-hydroxy-2-((5S,8R)-2-isopropoxy-6,9-dioxo-1,7-dioxa-spiro[4.4]non-8-yl)-ethyl ester

Hexadecanoic acid (R)-2-hydroxy-2-((5S,8R)-2-isopropoxy-6,9-dioxo-1,7-dioxa-spiro[4.4]non-8-yl)-ethyl ester

Conditions
ConditionsYield
Michael reaction;
methanol
67-56-1

methanol

acrolein
107-02-8

acrolein

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Hexadecanoic acid (R)-2-((4aS,7R,7aR)-2,4a-dihydroxy-7a-methoxy-5-oxo-hexahydro-furo[3,4-b]pyran-7-yl)-2-hydroxy-ethyl ester

Hexadecanoic acid (R)-2-((4aS,7R,7aR)-2,4a-dihydroxy-7a-methoxy-5-oxo-hexahydro-furo[3,4-b]pyran-7-yl)-2-hydroxy-ethyl ester

Conditions
ConditionsYield
Michael reaction;
Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

L-dehydroascorbic acid 6-palmitate
63247-05-2

L-dehydroascorbic acid 6-palmitate

Conditions
ConditionsYield
With iodine; sodium hydrogencarbonate In ethanol at 20℃; for 0.5h;
acrolein
107-02-8

acrolein

Ascorbyl palmitate
137-66-6

Ascorbyl palmitate

Hexadecanoic acid (S)-2-hydroxy-2-[(2R,4S)-4-hydroxy-3,5-dioxo-4-(3-oxo-propyl)-tetrahydro-furan-2-yl]-ethyl ester

Hexadecanoic acid (S)-2-hydroxy-2-[(2R,4S)-4-hydroxy-3,5-dioxo-4-(3-oxo-propyl)-tetrahydro-furan-2-yl]-ethyl ester

Conditions
ConditionsYield
Michael reaction;

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