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
high purity lowest pric Appearance: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:6290-03-5
Min.Order:100 Kilogram
Negotiable
Type:Trading Company
inquiryAs 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
Cas:6290-03-5
Min.Order:1 Kilogram
FOB Price: $3.0
Type:Lab/Research institutions
inquiryAssay: 98% up by GC; Stable supply with over 50Mt annually; Appearance:Colorless to pale yellow clear liquid Storage:room temprature Package:25kg/drum Application:Intermediate of organic structure Regulate carbohydrate lipid metabolism Port:Beiji
Cas:6290-03-5
Min.Order:1 Kilogram
FOB Price: $100.0
Type:Trading Company
inquiry(R)-(-)-1,3-Butanediol Basic information Product Name: (R)-(-)-1,3-Butanediol Synonyms: 1,3-BUTANEDIOL, (R);(R)-(-)-BUTYLENE GLYCOL;(R)-(-)-1,3-DIHYDROXYBUTANE;(R)-
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
Cas:6290-03-5
Min.Order:1 Metric Ton
FOB Price: $1.0 / 3.0
Type:Trading Company
inquiryOur 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
Cas:6290-03-5
Min.Order:5 Kiloliter
FOB Price: $1.2 / 5.0
Type:Manufacturers
inquiryAbout Product Technical Details (R)-(-)-1,3-Butanediol Chemical Properties
Cas:6290-03-5
Min.Order:1 Kilogram
FOB Price: $1.0 / 3.0
Type:Lab/Research institutions
inquiryOur 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
Cas:6290-03-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryWith our good experience, we offer detailed technical support and advice to assist customers. We communicate closely with customers to establish their quality requirements. Consistent Quality Our plant has strict quality control in each manufacturin
Cas:6290-03-5
Min.Order:1 Kilogram
FOB Price: $3.0 / 10.0
Type:Trading Company
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:6290-03-5
Min.Order:1 Kilogram
FOB Price: $139.0 / 210.0
Type:Trading Company
inquiry1. 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 ♦ W
Cas:6290-03-5
Min.Order:1 Kilogram
FOB Price: $289.0 / 499.0
Type:Trading Company
inquiry1.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:6290-03-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur 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
Cas:6290-03-5
Min.Order:1 Kilogram
FOB Price: $700.0
Type:Trading Company
inquiry(R)-(-)-1,3-Butanediol CAS:6290-03-5 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
Cas:6290-03-5
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:6290-03-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiry(R)-(-)-1,3-Butanediol CAS 6290-03-5 Purity: 99% Min Application: Intermediates Appearance: Powder Package: Bag Delivery: 3-5days Our Advantage & Service 1.Top quality: Using high quality material and establishing a strict quality co
Cas:6290-03-5
Min.Order:1 Kilogram
FOB Price: $10.0 / 50.0
Type:Trading Company
inquiryCompany 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
Cas:6290-03-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry(R)-(-)-1,3-Butanediol CAS 6290-03-5 Our advantage 1.Top quality: Using high quality material and establishing a strict quality control system,assigning specific persons in charge of each part of production,from raw material purchase to assem
Cas:6290-03-5
Min.Order:1 Kilogram
FOB Price: $50.0 / 100.0
Type:Trading Company
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:6290-03-5
Min.Order:10 Gram
FOB Price: $100.0
Type:Lab/Research institutions
inquiryProduct name: (R)-(-)-1,3-Butanediol CAS No.: 6290-03-5 Molecule Formula:C4H10O2 Molecule Weight:90.12 Purity: 99.0% Package: 25kg/drum Description:White powder Manufacture Standards:Enterprise Standard TESTING ITE
Cas:6290-03-5
Min.Order:1 Kilogram
Negotiable
Type:Trading Company
inquiryProduct Details Grade: pharmaceutical grade Purity:99%+ ProductionCapacity: 1000 Kilogram/Month Scope of use: For scientific research only(The product must be used legally) Our Advantage 1. Best quality with competitive price. 2. Quick shipping,
Cas:6290-03-5
Min.Order:1 Kilogram
Negotiable
Type:Lab/Research institutions
inquiryOur Advantages A. International Top level TechnologyOur company owned biomedicine experts are famous at home and abroad with rich experience in research and development in the field of efficient chiral functional molecules research and development an
Cas:6290-03-5
Min.Order:0
Negotiable
Type:Trading Company
inquiryGMP 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,
Product Name: (R)-(-)-1,3-Butanediol Synonyms: (R)-(-)-1,3-Butanediol;(R)-(-)-1,3-Butanediol 98%;L-Butane-1,3-diol;1,3-BUTANEDIOL, (R);(R)-(-)-BUTYLENE GLYCOL;(R)-(-)-1,3-DIHYDROXYBUTANE;(R)-(-)-1,3-BUTANEDIOL;(R)-1,3-BUTANEDIOL CAS: 6290-0
Cas:6290-03-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryfactory?direct?saleAppearance:White Powder Storage:Store In Dry, Cool And Ventilated Place Package:25kg/drum, also according to the clients requirement Application:It is widely used as a thickener, emulsifier and stabilizer Transportation:By Sea Or B
Cas:6290-03-5
Min.Order:1 Kilogram
FOB Price: $18.0 / 20.0
Type:Trading Company
inquiryZhenyu 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
Cas:6290-03-5
Min.Order:1 Kilogram
FOB Price: $2.0
Type:Lab/Research institutions
inquiryShandong Mopai Biotechnology 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 chemicals. W
Cas:6290-03-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiry1.Applied in food field.it can improve the immune system and prolong life. 2.Appliedin cosmetic field.it can improve the skin care. 3.Applied in pharmaceutical field.it can treat various dieases. 4.Our product quality assurance will make our customer
Cas:6290-03-5
Min.Order:1 Metric Ton
FOB Price: $1.5
Type:Trading Company
inquiryProduct name (R)-(-)-1,3-Butanediol Content ≥98% CAS NO. 6290-03-5 Package Structure Formula Appearance:Detailed se
Cas:6290-03-5
Min.Order:1 Gram
Negotiable
Type:Lab/Research institutions
inquiryConditions | Yield |
---|---|
Stage #1: acetoacetic acid methyl ester With ruthenium trichloride; C102H72NO9P3 for 0.5h; Stage #2: With diphenyl hydrogen phosphate; hydrogen at 80℃; under 37503.8 - 45004.5 Torr; Reagent/catalyst; Temperature; Pressure; Sealed tube; | 99.4% |
Conditions | Yield |
---|---|
With <((R)-(1,1'-binaphthyl-2,2'-diyl)bis(diphenylphosphine))RuCl2>2NEt3; hydrogen In methanol at 50℃; under 38000 Torr; for 24h; | 98% |
With hydrogen; dichloro(benzene)ruthenium(II) dimer; (R)-2,2'-bis(diphenylphosphanyl)-1,1'-binaphthyl In ethanol at 30℃; under 76000.1 Torr; for 40h; Yields of byproduct given. Title compound not separated from byproducts; | 96% |
With methanol; phosphate buffer at 30℃; for 6.5h; Candida boidinii KK912 (IFO 10574); | 60% |
Conditions | Yield |
---|---|
Stage #1: vinyl acetate; 1.3-butanediol With ChirazymeTM L-2 In diethyl ether at 20℃; for 30h; Stage #2: With sodium methylate In methanol at 20℃; for 2h; | 90% |
(2S,4R)-4-methyl-2-phenyl-1,3-dioxane
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
With hydrogen; palladium dihydroxide In ethyl acetate | 87% |
Ethyl (R)-3-hydroxybutanoate
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether for 1h; Ambient temperature; | 86% |
With lithium aluminium tetrahydride In diethyl ether at 0℃; for 0.5h; | 85.6% |
Stage #1: Ethyl (R)-3-hydroxybutanoate With lithium aluminium tetrahydride In diethyl ether at 0 - 20℃; for 3h; Inert atmosphere; Stage #2: With water In diethyl ether | 81% |
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In diethyl ether for 5h; | 85% |
(R)-4-methyloxetan-2-one
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
With sodium tetrahydroborate; ethanol at 20℃; | 85% |
With sodium tetrahydroborate In ethanol at 20℃; | 79% |
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
Stage #1: poly[(R)-3-hydroxybutanoate] With lithium aluminium tetrahydride In tetrahydrofuran at 0℃; Inert atmosphere; Reflux; Stage #2: With water; sodium hydroxide In tetrahydrofuran; diethyl ether at 0℃; | 84% |
(S)-ethyl 3,4-dihydroxybutanoate
p-toluenesulfonyl chloride
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
Stage #1: (S)-ethyl 3,4-dihydroxybutanoate With triethylamine In dichloromethane at 0℃; for 0.25h; Inert atmosphere; Stage #2: p-toluenesulfonyl chloride In dichloromethane at 20℃; for 10h; Inert atmosphere; Stage #3: With lithium aluminium tetrahydride In tetrahydrofuran at 0 - 20℃; for 8h; Inert atmosphere; chemoselective reaction; | 82% |
(R)-4-methyl-1,3-dioxan
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
With hydrogenchloride; (2,4-dinitro-phenyl)-hydrazine for 12h; | 75% |
(2R,6S,7S,10R)-7-Isopropyl-2,10-dimethyl-1,5-dioxa-spiro[5.5]undecane
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
With hydrogenchloride In methanol for 14h; Ambient temperature; | 53% |
D-allo-threonine
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
Multistep reaction; |
1.3-butanediol
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
Multistep reaction; | |
at 30℃; for 72h; |
Conditions | Yield |
---|---|
With hydrogen; RuCl2[(R)-BINAP] In ethanol under 53200 Torr; for 42h; Ambient temperature; Yield given. Yields of byproduct given. Title compound not separated from byproducts; | |
With hydrogen; acetic acid; Raney nickel modified with R,R-tartaric acid In tetrahydrofuran at 80℃; under 66195.7 Torr; for 14h; Title compound not separated from byproducts; | |
With hydrogen; TA-NaBr-MR-Ni In tetrahydrofuran; acetic acid under 66195.7 Torr; Product distribution; |
1,3-butanedioldicarbanilate
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In 1,4-dioxane at 80℃; for 3h; Heating; | 2.5 g |
Benzoic acid (R)-3-[(2S,5R)-2-isopropyl-5-methyl-1-(2-oxo-2-phenyl-ethyl)-cyclohexyloxy]-butyl ester
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
With sodium hydroxide In methanol Heating; Yield given; |
(2R,6S,7S,10R)-7-Isopropyl-2,10-dimethyl-1,5-dioxa-spiro[5.5]undecane
A
1,3-butanediol
B
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In methanol Ambient temperature; Yield given; |
4-Hydroxy-2-butanone dimethylsilylether
A
1,3-butanediol
B
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
With potassium carbonate; (-)-1,2-bis[(2R,5R)-2,5-diisoprohylphospholano]benzene 1) CH2Cl2, 2 h, 20-25 deg C, 2) MeOH, 4 h; Multistep reaction. Title compound not separated from byproducts; |
(S)-4-Benzenesulfonyl-butane-1,3-diol
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
With Ra-Ni |
Conditions | Yield |
---|---|
With phosphoric acid; β-galactosidase from Escherichia coli at 40℃; for 0.25h; Product distribution; selectivity; influence of incubation time, temperature, microbial source, enzyme activity; other galactopyranosides; |
(2S,4R)-2-(4-methoxyphenyl)-4-methyl-1,3-dioxane
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
With ethandithiol; camphor-10-sulfonic acid In dichloromethane Ambient temperature; Yield given; |
(3'R,4S)-3-(3'-hydroxybutanoyl)-4-(1-methylethyl)-2-oxazolidinone
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
With lithium aluminium tetrahydride In tetrahydrofuran |
1.3-butanediol
A
1,3-butanediol
B
(R)-butane-1,3-diol
C
1-Hydroxy-3-butanone
Conditions | Yield |
---|---|
With phosphate buffer; pKK-CPA1 In water at 30℃; for 24h; pH=6.5; Isomerization; |
Conditions | Yield |
---|---|
Stage #1: hexyl 4-chloroacetoacetate With bakers' yeast; phenylthioethylene In ethanol; water at 20℃; for 96h; Reduction; Stage #2: With lithium aluminium tetrahydride In tetrahydrofuran at 20℃; for 17h; Reduction; dehalogenation; Title compound not separated from byproducts; |
Conditions | Yield |
---|---|
With E. coli cells expressing CpSADH In phosphate buffer at 30℃; for 40h; pH=6.8; Product distribution; Further Variations:; pH-values; concentrations; Enzymatic reaction; |
Conditions | Yield |
---|---|
With sodium tetrahydroborate In 1-methyl-pyrrolidin-2-one; methanol at 4℃; Inert atmosphere; optical yield given as %ee; |
Conditions | Yield |
---|---|
With hydrogen; C52H53BN2P2Ru In tetrahydrofuran at 80℃; under 37503.8 Torr; for 16h; Product distribution / selectivity; | n/a |
With lithium aluminium tetrahydride |
Conditions | Yield |
---|---|
With RuH(η1-BH4)(dppp)((R,R)-dpen); hydrogen In tetrahydrofuran at 80℃; under 37503.8 Torr; for 16h; Autoclave; |
(R)-butane-1,3-diol
tert-butylchlorodiphenylsilane
Conditions | Yield |
---|---|
With 1H-imidazole; dmap In dichloromethane at 0 - 20℃; for 18h; | 100% |
With dmap; water; triethylamine In dichloromethane for 12h; | 70% |
With 1H-imidazole In dichloromethane at 25℃; for 1h; Inert atmosphere; | |
With triethylamine In dichloromethane at 20℃; for 15h; |
(R)-butane-1,3-diol
benzaldehyde dimethyl acetal
(2S,4R)-4-methyl-2-phenyl-1,3-dioxane
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dichloromethane for 3h; Heating; | 98% |
(R)-butane-1,3-diol
tert-butyldimethylsilyl chloride
(5R)-2,2,3,3,5,9,9,10,10-nonamethyl-4,8-dioxa-3,9-disilaundecane
Conditions | Yield |
---|---|
With 1H-imidazole In dichloromethane for 6h; | 98% |
With 1H-imidazole In dichloromethane at 20℃; | 98% |
With 1H-imidazole In dichloromethane at 0 - 25℃; for 24h; Inert atmosphere; | 90% |
(R)-butane-1,3-diol
(2R)-4-[(methylsulfonyl)oxy]butan-2-yl methanesulfonate
Conditions | Yield |
---|---|
following procedure published for the racemic compound; | 97% |
(R)-butane-1,3-diol
4,4'-dimethoxytrityl chloride
Conditions | Yield |
---|---|
With pyridine at 20℃; for 6h; | 97% |
With pyridine at 0 - 20℃; for 6h; | 97% |
(R)-butane-1,3-diol
trityl chloride
(R)-4-(triphenylmethoxy)butan-2-ol
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 20℃; for 6h; | 96% |
With pyridine; dmap at 20℃; for 48h; | 92% |
With triethylamine In dichloromethane at 0 - 20℃; | 89.1% |
With pyridine Ambient temperature; |
(R)-butane-1,3-diol
benzaldehyde dimethyl acetal
(R)-3-O-benzyl-1,3-butanediol
Conditions | Yield |
---|---|
Stage #1: (R)-butane-1,3-diol; benzaldehyde dimethyl acetal With camphor-10-sulfonic acid In dichloromethane Stage #2: With diisobutylaluminium hydride In toluene | 94% |
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; for 2h; | 92% |
(R)-butane-1,3-diol
methanesulfonyl chloride
(2R)-4-[(methylsulfonyl)oxy]butan-2-yl methanesulfonate
Conditions | Yield |
---|---|
With triethylamine In dichloromethane 1.) - 20 deg C, 2.) -20 deg C -> 25 deg C; | 91% |
With triethylamine In dichloromethane at 0 - 20℃; for 2.25h; | 89% |
With triethylamine In dichloromethane at 0 - 20℃; for 2.25h; | 89% |
With triethylamine In dichloromethane at 0 - 20℃; for 5h; |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate; calcium carbonate In tetrahydrofuran 1.) 30 min, -60 deg C, 2.) 14.5 h, 0 deg C; | 90% |
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate; calcium carbonate In tetrahydrofuran 1.) 30 min, -60 deg C, 2.) 14.5 h, 0 deg C; | 90% |
(R)-butane-1,3-diol
(E)-3-(3,5-Dichloro-4'-fluoro-biphenyl-2-yl)-propenal
(2S,4R)-2-[(E)-2-(3,5-Dichloro-4'-fluoro-biphenyl-2-yl)-vinyl]-4-methyl-[1,3]dioxane
Conditions | Yield |
---|---|
toluene-4-sulfonic acid In benzene Heating; azeotropic removal of water; | 90% |
O,O,O,O-tetraacetylsecologaninn
(R)-butane-1,3-diol
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene Heating; | 87.9% |
(R)-butane-1,3-diol
tert-butyldimethylsilyl chloride
(R)-4-((tert-butyldimethylsilyl)oxy)butan-2-ol
Conditions | Yield |
---|---|
With dmap; triethylamine In dichloromethane for 27h; Ambient temperature; | 87% |
With dmap; triethylamine In dichloromethane at 20℃; | 85% |
Stage #1: (R)-butane-1,3-diol With 1H-imidazole In N,N-dimethyl-formamide at 0℃; for 1h; Inert atmosphere; Stage #2: tert-butyldimethylsilyl chloride In N,N-dimethyl-formamide at 20℃; for 18h; Inert atmosphere; | 85% |
Conditions | Yield |
---|---|
Stage #1: (R)-butane-1,3-diol With trifluoromethylsulfonic anhydride; N-ethyl-N,N-diisopropylamine In acetonitrile at -35 - -30℃; for 3.83333h; Inert atmosphere; Stage #2: Benzhydrylamine In acetonitrile at -35 - 45℃; for 2.66667h; Stage #3: (R)-10-camphorsulfonic acid In methanol at 10 - 20℃; for 0.25h; | 86% |
Stage #1: (R)-butane-1,3-diol With trifluoromethylsulfonic anhydride; N-ethyl-N,N-diisopropylamine In acetonitrile at -35 - -30℃; for 0.833333h; Stage #2: (R)-10-camphorsulfonic acid; Benzhydrylamine In acetonitrile at -30 - 45℃; | 65% |
Conditions | Yield |
---|---|
Stage #1: (R)-butane-1,3-diol With trifluoromethylsulfonic anhydride; N-ethyl-N,N-diisopropylamine In acetonitrile at -35 - -30℃; for 3.83333h; Inert atmosphere; Stage #2: Benzhydrylamine In acetonitrile at -35 - 45℃; for 2.5h; Inert atmosphere; Stage #3: [(1R)-7,7-dimethyl-2-oxobicyclo[2.2.1]hept-1-yl]methanesulfonic acid In methanol at -10 - 20℃; for 2.25h; | 86% |
(R)-butane-1,3-diol
Benzoic acid (1R,3aR,4S,7aR)-7a-methyl-1-((S)-1-methyl-2-oxo-ethyl)-octahydro-inden-4-yl ester
Conditions | Yield |
---|---|
With boron trifluoride diethyl etherate In tetrahydrofuran for 16h; Ambient temperature; | 85% |
(R)-butane-1,3-diol
benzoyl chloride
Benzoesaeure<(R)-3-hydroxybutyl>ester
Conditions | Yield |
---|---|
With triethylamine In dichloromethane at 0 - 20℃; for 10h; | 85% |
With triethylamine In dichloromethane at 0 - 20℃; for 10h; Inert atmosphere; | 81% |
With pyridine In dichloromethane at -40℃; for 3h; | 72% |
(R)-butane-1,3-diol
phenyl 2,3,4,6-tetra-O-benzoyl-1-thio-α-D-mannopyranoside
(3R)-1,3-bis(2',3',4',6'-tetra-O-benzoyl-α-D-mannopyranosyloxy)butane
Conditions | Yield |
---|---|
With N-iodo-succinimide; trifluorormethanesulfonic acid In dichloromethane at 0℃; for 0.05h; Inert atmosphere; Molecular sieve; | 85% |
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