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Cas:13042-39-2
Min.Order:0 Metric Ton
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Type:Manufacturers
inquiryDayangChem 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 s
Cas:13042-39-2
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryWITH 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
Cas:13042-39-2
Min.Order:10 Gram
FOB Price: $146.0 / 176.0
Type:Trading Company
inquiryName: Isosorbide-2-acetate Synonyms: 2-O-acetyl-1,4:3,6-dianhydrohexitol CAS: 13042-39-2 MF: C8H12O5 Appearance: White powder Storage:Store in cool and dry place, away from sun light. Package:25KG/Drum Application:Pharmaceutical Intermediates Tra
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
Cas:13042-39-2
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry1,4:3,6-Dianhydro-D-glucitol 2-acetate CAS:13042-39-2 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 q
Cas:13042-39-2
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryHello, 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
Cas:13042-39-2
Min.Order:1 Kilogram
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Type:Lab/Research institutions
inquiryHenan Wentao Chemical Product Co.,Ltd is Located in Zhengzhou High-tech Development Zone with import and export license, We passed ISO 9001:2008 as well, Henan Wentao has developed more than 1000 compounds, which are widely used in the fields of prod
Cas:13042-39-2
Min.Order:0
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Type:Lab/Research institutions
inquiryJ&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
Cas:13042-39-2
Min.Order:0
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Type:Lab/Research institutions
inquiryZibo Hangyu Biotechnology Development Co., Ltd is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality pharmaceuticals, intermediates, special chemicals and OLED intermediates and other fine chemi
Cas:13042-39-2
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryThe 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 providing h
Our company engages in Sodium Tripolyphosphate (STPP) and Sodium Hexametabphosphate (SHMP) production; development of noble metal catalysts, synthesis of electronic chemical materials and general chemicals Imp&Exp trading business. The company
Cas:13042-39-2
Min.Order:1 Kilogram
FOB Price: $1000.0
Type:Lab/Research institutions
inquiryWe 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
Cas:13042-39-2
Min.Order:0
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Type:Trading Company
inquiryAppearance:95%+ Package:R&D,Pilot run Transportation:per client require Port:Express ,Air, Sea
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
Shanghai Lonwin Chemical company is a subsidiary of Lonwin Industry Group Limited, was established in 2011 and is headquartered in Shanghai, adjacent to China National Convention and Exhibition Center and Hongqiao transportation hub.Lonwinchem is
Cas:13042-39-2
Min.Order:100 Kilogram
FOB Price: $100.0 / 150.0
Type:Other
inquiryhigh purity,in stock Package:25kg/drum,or as per customers'demand Application:API,or Intermediates,fine chemicals Transportation:air,sea,courier
R & D enterprises have their own stock in stock Package:1kg Application:pharmaceutical intermediates
Cas:13042-39-2
Min.Order:0
Negotiable
Type:Manufacturers
inquiryhigh 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
Cas:13042-39-2
Min.Order:0
Negotiable
Type:Manufacturers
inquiryOur clients, like BASF,CHEMO,Brenntag,ASR,Evonik,Merck and etc.Appearance:COA Storage:in stock Application:MSDS/TDS
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 powder2.
Cas:13042-39-2
Min.Order:0
Negotiable
Type:Trading Company
inquiry1,4:3,6-Dianhydro-D-glucitol 2-acetateAppearance:white to brown low melting crystalline solid Storage:2-8, cold storage, to avoid light storage. Package:1g;5g;10g;25g;50g;100g;500g;1KG;5KG,25kg,50kg or as customers request Application:13042-39-2 Tran
Cas:13042-39-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryBest quality with low price Storage:ln stock Package:25kg/Barrel Application:Chemicals Transportation:Express/Sea/Air Port:Shanghai
Appearance:solid or liquid Storage:sealed in cool and dry place Package:As customer's requested Application:Pharma Intermediate Transportation:by courier/air/sea Port:Any port in China
Cas:13042-39-2
Min.Order:0
Negotiable
Type:Trading Company
inquiryWe are committed to providing our customers with the best products and services at the most competitive prices.Appearance:white to light yellow crystal powder Storage:Room temperature with sealed well Package:according to the clients requirement Appl
1,4:3,6-Dianhydro-D-glucitol 2-acetate cas 13042-39-2Appearance:white crystalline powder Storage:Store in dry, dark and ventilated place Package:25KG drum Application:intermediate Transportation:by air, by sea, by express
Cas:13042-39-2
Min.Order:0
Negotiable
Type:Other
inquiryhigh 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:any port in China
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:any port in China
Cas:13042-39-2
Min.Order:0
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White powder Storage:Sealed and preserved Package:200/Kilograms Application:healing drugs Transportation:By sea Port:Shanghai/tianjin
Cas:13042-39-2
Min.Order:0
Negotiable
Type:Trading Company
inquiry1.Professional synthesis laboratory and production base. 2.Strong synthesis team and service team. 3.Professional data management system. 4.We provide the professional test date and product information ,ex. HNMR ,CNMR,FNMR, HPLC/G
Cas:13042-39-2
Min.Order:10 Milligram
Negotiable
Type:Lab/Research institutions
inquiry[(3S,3aR,6R,6aR)-6-acetoxy-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3-yl] acetate
isosorbide 2-acetate
Conditions | Yield |
---|---|
In acetone for 288h; Ambient temperature; lipase from Pseudomonas sp. (SAM II); | 91% |
With Novozym 435; sodium hydrogencarbonate In aq. phosphate buffer at 50℃; for 12h; pH=6; Catalytic behavior; Reagent/catalyst; Temperature; Large scale; Enzymatic reaction; regioselective reaction; | 91.3% |
With sodium hydroxide; lipase In tetrahydrofuran | 89% |
n-heptan1ol
[(3S,3aR,6R,6aR)-6-acetoxy-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3-yl] acetate
isosorbide 2-acetate
Conditions | Yield |
---|---|
In acetone | 91% |
acetic anhydride
Isosorbide
A
isosorbide 2-acetate
B
(6S,3R,3aR,6aR)-6-hydroxy-hexahydrofuro[3,2-b]furan-3-yl acetate
C
[(3S,3aR,6R,6aR)-6-acetoxy-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3-yl] acetate
Conditions | Yield |
---|---|
at 120 - 140℃; for 1h; Yields of byproduct given; | A 90% B n/a C n/a |
With pyridine at 20℃; for 24h; Product distribution; other acylating agents; |
isosorbide 2-acetate-5-mononitrate
isosorbide 2-acetate
Conditions | Yield |
---|---|
With palladium 10% on activated carbon; hydrogen In ethyl acetate for 24h; | 90% |
Conditions | Yield |
---|---|
Stage #1: Isosorbide With methylmagnesium chloride In tetrahydrofuran at 0℃; for 0.5h; Stage #2: acetyl chloride In tetrahydrofuran at 0℃; for 2h; Reagent/catalyst; Temperature; | 78% |
Conditions | Yield |
---|---|
at 120 - 140℃; for 1h; | 70% |
With potassium hydroxide 1.) 120-140 deg C, 1 h, 2.) reflux; Yield given. Multistep reaction; |
acetic acid
Isosorbide
A
isosorbide 2-acetate
B
(6S,3R,3aR,6aR)-6-hydroxy-hexahydrofuro[3,2-b]furan-3-yl acetate
C
[(3S,3aR,6R,6aR)-6-acetoxy-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3-yl] acetate
Conditions | Yield |
---|---|
Stage #1: acetic acid; Isosorbide In dichloromethane at 20℃; for 0.166667h; Inert atmosphere; Stage #2: With dmap; dicyclohexyl-carbodiimide In dichloromethane at 0℃; for 3h; Inert atmosphere; | A 64% B n/a C n/a |
With dmap; dicyclohexyl-carbodiimide In dichloromethane at 20℃; for 3h; | A 60% B n/a C n/a |
hydrogenchloride In 1,4-dioxane at 20 - 160℃; for 0.366667h; Microwave irradiation; |
D-sorbitol
acetic acid
A
isosorbide 2-acetate
B
(6S,3R,3aR,6aR)-6-hydroxy-hexahydrofuro[3,2-b]furan-3-yl acetate
C
[(3S,3aR,6R,6aR)-6-acetoxy-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3-yl] acetate
Conditions | Yield |
---|---|
With phosphotungstic acid In toluene at 170℃; for 6h; Temperature; Solvent; Reagent/catalyst; Inert atmosphere; Sealed tube; Overall yield = 83 percent; | A 13% B 9% C 61% |
acetic anhydride
Isosorbide
A
isosorbide 2-acetate
B
(6S,3R,3aR,6aR)-6-hydroxy-hexahydrofuro[3,2-b]furan-3-yl acetate
Conditions | Yield |
---|---|
at 120℃; for 1h; | A 13.5% B 22.5% |
With scandium tris(trifluoromethanesulfonate) at 20℃; for 0.166667h; Reagent/catalyst; Overall yield = 54%; | A n/a B n/a |
Conditions | Yield |
---|---|
With calcium sulfate In 1,4-dioxane at 78 - 84℃; for 120h; Heating; | A 21% B n/a |
acetic acid
Isosorbide
A
isosorbide 2-acetate
B
[(3S,3aR,6R,6aR)-6-acetoxy-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3-yl] acetate
Conditions | Yield |
---|---|
With dmap; dicyclohexyl-carbodiimide In dichloromethane for 2.5h; Ambient temperature; | A 68 % Chromat. B 12 % Chromat. |
vinyl acetate
Isosorbide
A
isosorbide 2-acetate
B
(6S,3R,3aR,6aR)-6-hydroxy-hexahydrofuro[3,2-b]furan-3-yl acetate
Conditions | Yield |
---|---|
With Candida antarctica B In chloroform for 120h; Product distribution; Further Variations:; Reagents; Acetylation; |
Conditions | Yield |
---|---|
In diethyl ether; diethylene glycol dimethyl ether; water; acetic acid; toluene |
Isosorbide
isosorbide 2-acetate
Conditions | Yield |
---|---|
With sodium acetate; acetic anhydride | |
Multi-step reaction with 2 steps 1: Amberlite® IR-120 / 2 h / 80 °C 2: methylmagnesium chloride / tetrahydrofuran / 8 h / Reflux View Scheme |
D-sorbitol
acetic acid
A
isosorbide 2-acetate
B
(6S,3R,3aR,6aR)-6-hydroxy-hexahydrofuro[3,2-b]furan-3-yl acetate
C
Isosorbide
D
[(3S,3aR,6R,6aR)-6-acetoxy-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3-yl] acetate
Conditions | Yield |
---|---|
Amberlyst 35 resin at 85℃; |
acetic acid
Isosorbide
A
D-sorbitol
B
isosorbide 2-acetate
C
(6S,3R,3aR,6aR)-6-hydroxy-hexahydrofuro[3,2-b]furan-3-yl acetate
D
[(3S,3aR,6R,6aR)-6-acetoxy-2,3,3a,5,6,6a-hexahydrofuro[3,2-b]furan-3-yl] acetate
Conditions | Yield |
---|---|
Amberlyst 35 resin at 85℃; |
Conditions | Yield |
---|---|
Stage #1: acetic acid; Isosorbide With toluene-4-sulfonic acid In toluene Heating; Stage #2: With potassium hydroxide under 0.1 Torr; |
isosorbide 2-acetate
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: triethylamine; dmap / dichloromethane / 3 h 2: hydrogen; palladium 10% on activated carbon / ethyl acetate / 24 h View Scheme |
Conditions | Yield |
---|---|
With phosphotungstic acid; acetic acid at 150℃; for 12h; Reagent/catalyst; Temperature; Inert atmosphere; Sealed tube; |
isosorbide 2-acetate
benzenesulfonyl chloride
Conditions | Yield |
---|---|
With pyridine at 0℃; | 96% |
isosorbide 2-acetate
2(5)-O-acetyl-5(2)-chloro-5(2)-deoxy-1,4:3,6-dianhydro-L-iditol
Conditions | Yield |
---|---|
With pyridine; thionyl chloride at 0 - 100℃; | 96% |
Multi-step reaction with 2 steps 1: 83 percent 2: 73 percent / pyridine hydrochloride / pyridine / 48 h / Heating View Scheme |
isosorbide 2-acetate
3-(bromomethyl)-2-oxido-4-phenyl-1,2,5-oxadiazole
Conditions | Yield |
---|---|
With silver(l) oxide In dichloromethane for 72h; Reflux; Darkness; | 96% |
isosorbide 2-acetate
allyl bromide
2-O-acetyl-5-O-allyl-1,4:3,6-dianhydro-D-glucitol
Conditions | Yield |
---|---|
With calcium sulfate; silver(l) oxide for 48h; Ambient temperature; | 93% |
With calcium sulfate; silver(l) oxide at 20℃; for 48h; |
isosorbide 2-acetate
methyl iodide
2-O-acetyl-1,4:3,6-dianhydro-5-O-methyl-D-glucitol
Conditions | Yield |
---|---|
With calcium sulfate; silver(l) oxide for 48h; Ambient temperature; | 92% |
With calcium sulfate; silver(l) oxide at 20℃; for 48h; | 92% |
trifluoromethylsulfonic anhydride
isosorbide 2-acetate
Conditions | Yield |
---|---|
With pyridine In dichloromethane at -10 - 0℃; for 4h; Inert atmosphere; | 90.1% |
isosorbide 2-acetate
p-toluenesulfonyl chloride
(3S,3aR,6R,6aS)-6-{[(4-methylphenyl)sulfonyl]oxy}hexahydrofuro[3,2-b]furan-3-yl acetate
Conditions | Yield |
---|---|
With pyridine at 20℃; for 8h; | 86% |
isosorbide 2-acetate
isosorbide 2-acetate-5-mononitrate
Conditions | Yield |
---|---|
With nitric acid; acetic anhydride In dichloromethane; water | 85% |
With nitric acid; acetic anhydride at 0℃; | |
With nitric acid; acetic acid | |
With nitric acid; acetic anhydride at 20℃; for 2h; Temperature; Inert atmosphere; Sealed tube; | 28 %Chromat. |
benzyl bromide
isosorbide 2-acetate
2-O-acetyl-1,4:3,6-dianhydro-5-O-benzyl-D-glucitol
Conditions | Yield |
---|---|
With calcium sulfate; silver(l) oxide for 48h; Ambient temperature; | 85% |
With sodium hydride In tetrahydrofuran at 25 - 60℃; for 5h; |
isosorbide 2-acetate
Conditions | Yield |
---|---|
With silver(l) oxide In dichloromethane for 72h; Reflux; Darkness; | 85% |
isosorbide 2-acetate
2-O-acetyl-1,4:3,6-dianhydro-5-O-(methylsulfonyl)-D-glucitol
Conditions | Yield |
---|---|
83% |
1-iodo-butane
isosorbide 2-acetate
2-O-acetyl-1,4:3,6-dianhydro-5-O-butyl-D-glucitol
Conditions | Yield |
---|---|
With calcium sulfate; silver(l) oxide In tetrahydrofuran Heating; | 80% |
isosorbide 2-acetate
Conditions | Yield |
---|---|
With dipyridinium dichromate; acetic anhydride In dichloromethane at 50℃; for 4h; | 64% |
pyridine-3-carbonyl chloride hydrochloride
isosorbide 2-acetate
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane for 24h; | 64% |
isosorbide 2-acetate
2,3,4,6-tetra-O-acetyl-α-D-glucopyranosyl bromide
Conditions | Yield |
---|---|
With silver(l) oxide In dichloromethane at 20℃; for 36h; | 53% |
isosorbide 2-acetate
1-bromo-2,3,4-tri-O-acetyl-α-D-xylopyranose
Conditions | Yield |
---|---|
With silver(l) oxide In dichloromethane at 20℃; for 36h; | 48% |
isosorbide 2-acetate
1-bromo-1-deoxy-2,3,4,6-tetra-O-acetyl-a-D-galactopyranoside
Conditions | Yield |
---|---|
With silver(l) oxide In dichloromethane at 20℃; | 34% |
isosorbide 2-acetate
(3S,3aR,6R,6aR)-3-(allyloxy)-6-methoxy-hexahydrofuro[3,2-b]furan
Conditions | Yield |
---|---|
Multi-step reaction with 3 steps 1: 92 percent / Ag2O; CaSO4 / 48 h / 20 °C 2: 86 percent / KOH / ethanol / 0.5 h / 50 °C 3: 98 percent / Ag2O; CaSO4 / 48 h / 20 °C View Scheme |
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