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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

(+)-5,6-O-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:1 Kilogram

FOB Price: $3.0

Type:Lab/Research institutions

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Wuhan Fortuna Chemical Co.,Ltd

Manufacturer supply (+)-5,6-O-Isopropylidene-L-ascorbic acid CAS 15042-01-0 with favorable price Company profile Wuhan Fortuna Chemical Co.,Ltd established in 2006, is a big integrative chemical enterprise being engaged in Pharmaceutical & i

Manufacturer supply (+)-5,6-O-Isopropylidene-L-ascorbic acid CAS 15042-01-0 with favorable price

Cas:15042-01-0

Min.Order:10 Kilogram

FOB Price: $10.0

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

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

Cas:15042-01-0

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hebei Nengqian Chemical Import and Export Co., LTD

Our Advantage Rich Experience Our products are sold all over Europe,North&South America, Sino-East, Asia and pacific area as well as Africa,we establish long term. Quality service Company cooperates with research institutes. We strictly con

(+)-5,6-O-Isopropylidene-L-ascorbic acid CAS 15042-01-0

Cas:15042-01-0

Min.Order:1 Kilogram

FOB Price: $1.0 / 10.0

Type:Trading Company

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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.O

TIANFU CHEM --(+)-5,6-O-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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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

Factory direct supply CAS 15042-01-0 with best quality

Cas:15042-01-0

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product name L-Ascorbic Acid Acetonide Cas number 15042-01-0 Molecular formula C9H12O6 Molecular weight 216.19 Appearance White powder

L-Ascorbic Acid Acetonide

Cas:15042-01-0

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Shanghai Upbio Tech Co.,Ltd

1.In No Less 10 years exporting experience. you 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 Specializ

(+)-5,6-O-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Leader Biochemical Group

About Product Details Items Specifications Test Results Appearance White to white crystalline powde

China Biggest Factory Manufacturer Supply 5,6-Isopropylidene-L-ascorbic acid CAS 15042-01-0

Cas:15042-01-0

Min.Order:100 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

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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

(+)-5,6-O-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Company Introduction 1. Established in 2005, with two independent business divisions: Fine chemicals division; Pharmaceutical division. 2. Main product: Optical brightener Textile auxiliary Dye stuff Pigments

5,6-ISOPROPYLIDENE-L-ASCORBIC ACID

Cas:15042-01-0

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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NewCan Biotech Limited

NewCan Biotech Limited was established in 2021 and is primarily engaged in the research, development, production, and sales of sugars, nucleosides, nucleotides, phosphorylated monomers, as well as next-generation antiviral and antitumor drug intermed

(+)-5,6-O-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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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

(+)-5,6-O-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Siwei Development Group Ltd.

Product name: (+)-5,6-O-Isopropylidene-L-Ascorbic Acid CAS No.: 15042-01-0 Molecule Formula:C9H12O6 Molecule Weight:216.19 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard

Lower Price (+)-5,6-O-Isopropylidene-L-Ascorbic Acid

Cas:15042-01-0

Min.Order:1 Kilogram

Negotiable

Type:Trading Company

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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,

(+)-5,6-O-Isopropylidene-L-ascorbicacid

Cas:15042-01-0

Min.Order:1 Milligram

Negotiable

Type:Trading Company

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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

(+)-5,6-O-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Trading Company

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TAIZHOU ZHENYU BIOTECHNOLOGY CO., LTD

Zhenyu biotech exported this product to many countries and regions at best price. if you are looking for the material's manufacturer or supplier in china, zhenyu biotech is your best choice. pls contact with us freely for getting detailed

(+)-5,6-O-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:1 Kilogram

FOB Price: $2.0

Type:Lab/Research institutions

inquiry

Hunan chemfish Pharmaceutical co.,Ltd

Appearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea

(+)-5,6-O-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Manufacturers

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GIHI CHEMICALS CO.,LIMITED

Lower price, sample is available,SDS test documents are available,large stock in warehouseAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:Fine chemical intermediates, used as the main raw material for the synthe

(+)-5,6-O-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Kono Chem Co.,Ltd

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:drum and bag Application:for pharma use Transportation:by sea or air Port:Beijing or Guangzhou

(+)-5,6-O-isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Other

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JINHUA HUAYI CHEMICAL CO., LTD.

Jinhua huayi chemical co., ltd. is dedicated to the development, production and marketing of chemicals. On the basis of equality and mutual benefit, and under the principle of customer first, credit first, quality first, we are ready to join hands

5,6-Isopropylidene-L-Ascorbic Acid

Cas:15042-01-0

Min.Order:100 Gram

Negotiable

Type:Lab/Research institutions

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Henan Allgreen Chemical Co.,Ltd

high quality Storage:Sealed, dry, microtherm , avoid light and smell. Package:According to the demand of customer Application:Organic synthesis Transportation:by air or by sea

(+)-5,6-O-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Manufacturers

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Hubei Taiho Chemical Co.,LTD

TAIHO Unique Advantages:1.We're factory2.Free samples available3.Commodity inspection can be done4.ISO9001,Kosher certifications5.10 years experiences Storage:Store in cool &dry place Package:aluminium foil bag/fiber can/plastic drum Application:comp

(+)-5,6-O-isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Manufacturers

inquiry

Xi`an Eastling Biotech Co., Ltd.

high purity lowest priceAppearance:solid or liquid Storage:in sealed air resistant place Package:Foil bag; Drum; Plastic bottle Application:Pharma;Industry;Agricultural Transportation:by sea or air Port:Beijing or Guangzhou

(+)-5,6-O-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Antimex Chemical Limied

Ansciep Chemical is a professional enterprise manufacturing and distributing fine chemicals and speciality chemicals. We have been dedicated to heterocycle compounds and phenyl rings for tens of years. This is our mature product for export. Our quali

L-Ascorbic acid, 5,6-O-(1-Methylethylidene)-

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Ocean Chemical Co., Ltd.

★.Best quality according to requirement ★.Competitive price in China market ★.Mature Technical support ★.Professional logistic support

5,6-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

BOC Sciences

We are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white crystalline powder Storage:Room temperature with sealed well Package:according to the clients requirement Application:Use

(+)-5,6-O-Isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Hangzhou Fandachem Co.,Ltd

(+)-5,6-O-Isopropylidene-L-ascorbic acid cas 15042-01-0Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express

(+)-5,6-O-Isopropylidene-L-ascorbic acid cas 15042-01-0

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Other

inquiry

Hangzhou Sartort Biopharma Co., Ltd

Best quality with low priceAppearance:White powder Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai

(+)-5,6-O-isopropylidene-L-ascorbic acid

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Shanghai Yuanye Bio-Technology Co., Ltd.

good quality, competitive price, thoughtful after sale serviceAppearance:white powder Storage:Keep it in dry,shady and cool place Package:1g Application:Pharma;Industry;Agricultural;chemical reaserch Transportation:by express or by sea Port:Any port

(+)-5,6-O-Isopropylidene-L-Ascorbic Acid

Cas:15042-01-0

Min.Order:0

Negotiable

Type:Trading Company

inquiry

Synthetic route

acetone
67-64-1

acetone

ascorbic acid
50-81-7

ascorbic acid

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

Conditions
ConditionsYield
With Amberlite IR-120 for 2h; Heating;100%
With acetyl chloride at 7 - 20℃; for 11h;100%
With acetyl chloride at 40℃; for 2h;95%
2,2-dimethoxy-propane
77-76-9

2,2-dimethoxy-propane

ascorbic acid
50-81-7

ascorbic acid

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

Conditions
ConditionsYield
With hydrogenchloride; acetone for 1h;100%
With toluene-4-sulfonic acid In acetone100%
With hydrogenchloride In acetone for 1h;96.7%
1,2-dimethoxypropane
7778-85-0

1,2-dimethoxypropane

ascorbic acid
50-81-7

ascorbic acid

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

Conditions
ConditionsYield
With toluene-4-sulfonic acid In dimethyl sulfoxide; acetone at 50℃; for 5h;95%
acetyl chloride
75-36-5

acetyl chloride

ascorbic acid
50-81-7

ascorbic acid

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

Conditions
ConditionsYield
In acetone at 5 - 20℃; for 22.5h; Inert atmosphere;91%
In potassium hydroxide; acetone77%
In acetone
In acetone at 20℃; for 16h;
In acetone
ascorbic acid
50-81-7

ascorbic acid

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

Conditions
ConditionsYield
With trichlorophosphate In acetone at 20℃; for 4h;89%
With copper(II) sulfate; acetone
In acetone
acryloyl chloride
814-68-6

acryloyl chloride

ascorbic acid
50-81-7

ascorbic acid

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

Conditions
ConditionsYield
With triethylamine In 1,4-dioxane
3,5-O-benzylidene-6-O-t-butyldimethylsilyl-L-xylo-hex-2-ulosonic acid 1,4-lactone 2-hydrate
216872-53-6

3,5-O-benzylidene-6-O-t-butyldimethylsilyl-L-xylo-hex-2-ulosonic acid 1,4-lactone 2-hydrate

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

Conditions
ConditionsYield
Multi-step reaction with 2 steps
1: aq. HOAc / 4 h / 80 °C
2: AcCl / 2 h / 18 °C
View Scheme
P2 O5

P2 O5

acetyl chloride
75-36-5

acetyl chloride

ascorbic acid
50-81-7

ascorbic acid

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

Conditions
ConditionsYield
In ethyl acetate; acetone
ascorbic acid
50-81-7

ascorbic acid

A

acetone-n-hexane

acetone-n-hexane

B

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

Conditions
ConditionsYield
In acetone
Vitamin C
78619-96-2

Vitamin C

acetone
67-64-1

acetone

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

Conditions
ConditionsYield
With acetyl chloride at 40℃; for 3h;
dimethyl sulfate
77-78-1

dimethyl sulfate

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

2,3-O-bis-methyl-5,6-O-isopropylidene-L-ascorbic acid
58650-93-4, 66421-65-6, 128142-57-4

2,3-O-bis-methyl-5,6-O-isopropylidene-L-ascorbic acid

Conditions
ConditionsYield
With potassium carbonate In acetone for 3h; Heating;100%
With potassium carbonate In acetone Heating;96%
With potassium carbonate In acetone for 3h; Heating; Yield given;
chloromethyl methyl ether
107-30-2

chloromethyl methyl ether

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

5,6-O-isopropylidene-2,3-di-O-methoxymethyl-L-ascorbic acid

5,6-O-isopropylidene-2,3-di-O-methoxymethyl-L-ascorbic acid

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;98%
tert-butyldimethylsilyl chloride
18162-48-6

tert-butyldimethylsilyl chloride

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

(2R)-4-[tert-butyl(dimethyl)silyl]oxy-2-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-hydroxy-2H-furan-5-one
653565-84-5

(2R)-4-[tert-butyl(dimethyl)silyl]oxy-2-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-hydroxy-2H-furan-5-one

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In tetrahydrofuran at 20℃; for 14.5h;98%
1-methyl-1-nitrosourea
684-93-5

1-methyl-1-nitrosourea

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

5,6-O-isopropylidene-3-O-methyl-L-ascorbic acid
58650-92-3

5,6-O-isopropylidene-3-O-methyl-L-ascorbic acid

Conditions
ConditionsYield
With potassium hydroxide In methanol at -20℃;97%
5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

(2R)-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl](hydroxy)ethanoic acid
92973-39-2, 136136-17-9

(2R)-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl](hydroxy)ethanoic acid

Conditions
ConditionsYield
With water; dihydrogen peroxide; potassium carbonate at 20℃; for 24h;96%
With palladium 10% on activated carbon; dihydrogen peroxide; calcium carbonate In water at 20 - 40℃;89%
With dihydrogen peroxide; calcium carbonate
1-Bromoheptane
629-04-9

1-Bromoheptane

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

5,6-O-isopropylidene-2-O-heptyl-L-ascorbic acid

5,6-O-isopropylidene-2-O-heptyl-L-ascorbic acid

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran; dimethyl sulfoxide at -10 - 20℃;96%
ethyl bromide
74-96-4

ethyl bromide

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

(R)-5-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-4-ethoxy-3-hydroxyfuran-2(5H)-one
86404-03-7

(R)-5-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-4-ethoxy-3-hydroxyfuran-2(5H)-one

Conditions
ConditionsYield
In N,N-dimethyl-formamide at 20℃; for 3h; not specified;95%
With anion exchange resin with multi-iodide anions In N,N-dimethyl-formamide at 20℃;95%
With sodium hydrogencarbonate In dimethyl sulfoxide at 50℃; for 16h;70%
Stage #1: 5,6-O-isopropylidene-L-ascorbic acid With sodium hydrogencarbonate In dimethyl sulfoxide at 20℃; for 0.333333h;
Stage #2: ethyl bromide In dimethyl sulfoxide at 50℃; for 17h;
62%
With sodium hydrogencarbonate In dimethyl sulfoxide at 70℃; for 2h; Reagent/catalyst; Temperature; Solvent;16.2 g
pivaloyl chloride
3282-30-2

pivaloyl chloride

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

(R)-5-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-4-hydroxy-2-oxo-2,5-dihydrofuran-3-yl pivalate

(R)-5-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-4-hydroxy-2-oxo-2,5-dihydrofuran-3-yl pivalate

Conditions
ConditionsYield
Stage #1: pivaloyl chloride With 1H-imidazole In dichloromethane at 20℃; for 1h;
Stage #2: 5,6-O-isopropylidene-L-ascorbic acid In dichloromethane at 20℃;
95%
5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

2,3-O-bis-methyl-5,6-O-isopropylidene-L-ascorbic acid
58650-93-4, 66421-65-6, 128142-57-4

2,3-O-bis-methyl-5,6-O-isopropylidene-L-ascorbic acid

Conditions
ConditionsYield
With tetra-(n-butyl)ammonium iodide; potassium hydroxide In water; ethyl acetate at 20℃; for 24h;94%
5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

calcium bis[(2R)-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl](hydroxy)acetate]
98733-24-5

calcium bis[(2R)-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl](hydroxy)acetate]

Conditions
ConditionsYield
With dihydrogen peroxide; calcium carbonate In water at 20 - 50℃; for 4h;92%
With dihydrogen peroxide; calcium carbonate In water at 30 - 40℃; for 0.5h;78%
With dihydrogen peroxide; calcium carbonate In water at 40℃; Ice-bath cooling;
With dihydrogen peroxide; calcium carbonate In water at 25 - 60℃; for 7h;55 mg
Thioctic acid
1077-28-7, 62-46-4

Thioctic acid

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

L-5,6-O-isopropyliden-2-α-lipoyl-ascorbic acid

L-5,6-O-isopropyliden-2-α-lipoyl-ascorbic acid

Conditions
ConditionsYield
With pyridine; dicyclohexyl-carbodiimide In dichloromethane at 20℃;92%
5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

methyl iodide
74-88-4

methyl iodide

5,6-O-isopropylidene-3-O-methyl-L-ascorbic acid
58650-92-3

5,6-O-isopropylidene-3-O-methyl-L-ascorbic acid

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran; dimethyl sulfoxide Ambient temperature; 1.) 20 min, 2.) 6 h;91%
With potassium carbonate In tetrahydrofuran; dimethyl sulfoxide at 20℃;91%
With cesium fluoride In dimethyl sulfoxide at 20℃;61%
5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

methyl iodide
74-88-4

methyl iodide

5,6-O-isopropylidene-2-O-methyl-L-ascorbic acid
87804-25-9

5,6-O-isopropylidene-2-O-methyl-L-ascorbic acid

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran; dimethyl sulfoxide at -10 - 20℃;91%
5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

3,4-O-isopropylidene-L-threonic acid calcium salt

3,4-O-isopropylidene-L-threonic acid calcium salt

Conditions
ConditionsYield
Stage #1: 5,6-O-isopropylidene-L-ascorbic acid With calcium carbonate In water at 0℃; for 1h;
Stage #2: With dihydrogen peroxide In water at 0 - 10℃;
Stage #3: With catalase In water at 20℃; for 2h; Product distribution / selectivity;
91%
Stage #1: 5,6-O-isopropylidene-L-ascorbic acid With calcium carbonate In water at 0℃; for 1.25h;
Stage #2: With dihydrogen peroxide In water at 0 - 20℃; for 6h;
Stage #3: With catalase In water Product distribution / selectivity;
89.4%
Stage #1: 5,6-O-isopropylidene-L-ascorbic acid With calcium carbonate In water at 0℃; for 0.5h;
Stage #2: With dihydrogen peroxide In water at 0 - 20℃;
Stage #3: palladium on carbon; pyrographite In water at 50℃; for 0.5h; Product distribution / selectivity;
77%
Stage #1: 5,6-O-isopropylidene-L-ascorbic acid With calcium carbonate In water at 0℃; for 0.5h;
Stage #2: With dihydrogen peroxide In water
Stage #3: palladium on carbon; pyrographite In water at 50℃; for 0.5h; Product distribution / selectivity;
acetyl chloride
75-36-5

acetyl chloride

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

[(2R)-2-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-hydroxy-5-oxo-2H-furan-4-yl] acetate
116565-60-7

[(2R)-2-[(4S)-2,2-dimethyl-1,3-dioxolan-4-yl]-3-hydroxy-5-oxo-2H-furan-4-yl] acetate

Conditions
ConditionsYield
With pyridine In dichloromethane at 20℃; for 2h;90%
With pyridine In dichloromethane Cooling with ice;76.1%
With pyridine In dichloromethane Cooling with ice;76.1%
With pyridine
diethyl sulfate
64-67-5

diethyl sulfate

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

(R)-5-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-4-ethoxy-3-hydroxyfuran-2(5H)-one
86404-03-7

(R)-5-((S)-2,2-dimethyl-1,3-dioxolan-4-yl)-4-ethoxy-3-hydroxyfuran-2(5H)-one

Conditions
ConditionsYield
With triethylamine In ethanol for 2h; Reflux;87.9%
With potassium hydroxide In dimethyl sulfoxide at 80℃; for 2h;16.5 g
5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

(S)-sodium 2,2-dimethyl-1,3-dioxolane-4-carboxylate

(S)-sodium 2,2-dimethyl-1,3-dioxolane-4-carboxylate

Conditions
ConditionsYield
With sodium hypochlorite; ruthenium(IV) oxide In sodium hydroxide at 55 - 60℃; for 0.666667h; pH 8.0;87%
Multi-step reaction with 2 steps
1: aq. H2O2, CaCO3
2: 95 percent / aq. NaOCl, RuCl3, NaOH / 0.5 h / Ambient temperature
View Scheme
Cinnamyl bromide
4392-24-9

Cinnamyl bromide

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

5,6-O-isopropylidene-2-O-trans-cinnamyl-L-ascorbic acid

5,6-O-isopropylidene-2-O-trans-cinnamyl-L-ascorbic acid

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran; dimethyl sulfoxide at -10 - 20℃;87%
5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

(2S,3S)-1,2-O-isopropylidene-1,2,3,4-tetrol
91274-05-4

(2S,3S)-1,2-O-isopropylidene-1,2,3,4-tetrol

Conditions
ConditionsYield
Stage #1: 5,6-O-isopropylidene-L-ascorbic acid With dihydrogen peroxide; potassium carbonate In water at 20℃; Inert atmosphere;
Stage #2: With ethyl iodide In acetonitrile Inert atmosphere; Reflux;
Stage #3: With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; Inert atmosphere;
87%
Multi-step reaction with 3 steps
1: H2O2; K2CO3 / H2O
2: 93 percent / acetonitrile / 82 °C
3: 96 percent / BH3-SMe2; NaBH4
View Scheme
Multi-step reaction with 2 steps
1: 1.) CuSO4, 2.) K2CO3, H2O2, 3.) KI
2: LiAlH4 / tetrahydrofuran
View Scheme
benzyl bromide
100-39-0

benzyl bromide

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

O3-benzyl-O5,O6-(1-methylethylidene)-L-ascorbic acid
86404-07-1

O3-benzyl-O5,O6-(1-methylethylidene)-L-ascorbic acid

Conditions
ConditionsYield
With potassium carbonate In tetrahydrofuran; dimethyl sulfoxide at 20℃;86%
With cesium fluoride In dimethyl sulfoxide at 20℃;62%
With sodium carbonate In acetone for 4h; Reflux;61.8%
C41H67NO5S

C41H67NO5S

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

C43H71NO8

C43H71NO8

Conditions
ConditionsYield
Stage #1: 5,6-O-isopropylidene-L-ascorbic acid With dmap In dichloromethane at 20℃; for 0.25h; Alkaline conditions;
Stage #2: C41H67NO5S In dichloromethane for 0.333333h; Alkaline conditions;
85.1%
acetyl chloride
75-36-5

acetyl chloride

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

5,6-O-Isopropylidene-3-O-acetyl-L-ascorbic acid
116565-56-1

5,6-O-Isopropylidene-3-O-acetyl-L-ascorbic acid

Conditions
ConditionsYield
With pyridine In dichloromethane Ambient temperature; 1.) 20 min, 2.) 2 h;85%
With triethylamine In acetone at 25℃; for 0.0333333h; further reagents and conditions;61 % Spectr.
diethyl sulfate
64-67-5

diethyl sulfate

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

3-o-ethyl-5,6-o-isopropylidene-L-ascorbic acid
1453087-23-4

3-o-ethyl-5,6-o-isopropylidene-L-ascorbic acid

Conditions
ConditionsYield
With sodium hydrogencarbonate In ethanol at 55℃; for 7h;83.4%
benzyl bromide
100-39-0

benzyl bromide

5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

5,6-O-isopropylidene-2-O-benzyl-L-ascorbic acid

5,6-O-isopropylidene-2-O-benzyl-L-ascorbic acid

Conditions
ConditionsYield
With potassium tert-butylate In tetrahydrofuran; dimethyl sulfoxide at -10 - 20℃;83%
5,6-O-isopropylidene-L-ascorbic acid
15042-01-0

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

hemicalcium 3,4-O-isopropylidene-L-threonate

hemicalcium 3,4-O-isopropylidene-L-threonate

Conditions
ConditionsYield
With dihydrogen peroxide; calcium carbonate In water for 3h; Ambient temperature;81%

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