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
Cas:87-91-2
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inquiryWelcome 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
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inquiryhigh 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
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
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
LIDE PHARMACEUTICALS LIMITED is a professional chemicals and APIs leading manufacturer in China. Our core business line covers APIs, Intermediates, Herb extract, etc.
Cas:87-91-2
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inquiryOur 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
Cas:87-91-2
Min.Order:1 Kilogram
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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:87-91-2
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inquiryOur 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
Cas:87-91-2
Min.Order:10 Kilogram
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inquiryProduct Name L(+)-Diethyl L-tartrate Synonyms DIETHYL TARTRATE CAS: 87-91-2 MF: - MW: - EINECS: - Produc
Cas:87-91-2
Min.Order:5 Metric Ton
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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
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Min.Order:1 Kilogram
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inquiryProduct Name: L(+)-Diethyl L-tartrate CAS: 87-91-2 MF: C8H14O6 MW: 206.19 EINECS: 201-783-3 Mol File: 87-91-2.mol L(+)-Diethyl L-tartrate Structure L(+)-Diethyl L-tartrate Chemical Properties Melting point 17 °C alpha
Cas:87-91-2
Min.Order:1 Gram
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Type:Lab/Research institutions
inquiryAbout Our Group Since 1996 when our factory was put into production to year of 2020, our group has successively invested in more than 52 factories with shares and subordinates.We focus on manufacture Pharm & c
Cas:87-91-2
Min.Order:500 Kilogram
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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 prese
Cas:87-91-2
Min.Order:1 Kilogram
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inquiryL(+)-Diethyl L-tartrate CAS:87-91-2 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 quality organic int
Cas:87-91-2
Min.Order:1 Gram
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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:87-91-2
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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
Best quality & Attractive price & Professional service; Trial & Pilot & Commercial Hisunny Chemical is a leading manufacturer and supplier of chemicals in China. We develop produce and distribute high quality intermediates, specia
Appearance:white or light yellow crystalline powder Storage:Store in a cool,dry place and keep away from direct strong light Package:As customer request Application:Used for research and industrial manufacture. Transportation:By
Cas:87-91-2
Min.Order:100 Gram
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inquiryHangzhou KeyingChem Co., Ltd. exported this product to many countries and regions at best price. If you are looking for the material’s manufacturer or supplier in China, KeyingChem is your best choice. Pls contact with us freely for getting det
Cas:87-91-2
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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:87-91-2
Min.Order:1 Gram
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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
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Massive Chemical is certified with ISO9001 and ISO14001 manufacturer for this product. We will offer all documents as requirement for the materials which includes, Certificate of Analysis, Material Safety Data Sheet, and Method of Analysis and
Cas:87-91-2
Min.Order:1 Gram
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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:87-91-2
Min.Order:10 Gram
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Cas:87-91-2
Min.Order:100 Gram
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inquirySuperior quality, moderate price & quick delivery. Appearance:Colorless to light yellow liquid Storage:Stored in cool, dry and ventilation place; Away from fire and heat Package:1kg/bag, 1kg/drum or 25kg/drum or as per your request. Application
Cas:87-91-2
Min.Order:1 Gram
Negotiable
Type:Trading Company
inquiryProduct Name: L(+)-Diethyl L-tartrate Synonyms: 2,3-Dihydronxybutanedioicaciddiethylester;2,3-dihydroxy-[theta-(theta,theta)]-butanedioicacidiethylester;Butanedioic acid, 2,3-dihydroxy- [R-(R*,R*)]-, diethyl ester;Butanedioic acid, 2,3-dihydroxy-,
Cas:87-91-2
Min.Order:1 Kilogram
FOB Price: $300.0
Type:Lab/Research institutions
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:87-91-2
Min.Order:1 Gram
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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:87-91-2
Min.Order:1 Kilogram
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Type:Trading Company
inquiryConditions | Yield |
---|---|
With thionyl chloride | 100% |
With methanesulfonic acid at 30 - 35℃; for 12h; | 99% |
With thionyl chloride at 0 - 50℃; for 3.5h; Temperature; | 96.2% |
Conditions | Yield |
---|---|
at 160℃; |
Conditions | Yield |
---|---|
With silver tartrate |
Conditions | Yield |
---|---|
With diethyl ether; dihydrogen peroxide Irradiation.mit rechts-zirkular polarisiertem UV-Licht entsteht ein schwach rechtsdrehendes Praeparat; |
ethanol
dibenzyl (2R,3R)-2,3-dihydroxybutanedioate
diethyl (2R,3R)-tartrate
Conditions | Yield |
---|---|
In various solvent(s) at 39℃; for 168h; lipase from Pseudomonas fluorescens; | 96.5 % Spectr. |
ethanol
L-Tartaric acid
dehydrocholic acid
A
diethyl (2R,3R)-tartrate
B
3,7,12-trioxo-5β-cholan-24-oic acid ethyl ester
Conditions | Yield |
---|---|
With methanesulfonic acid for 5 - 6h; Heating / reflux; |
octanol
A
diethyl (2R,3R)-tartrate
B
dimethyl-bis-octyloxy-silane
C
chloro(dimethyl)octyloxysilane
Conditions | Yield |
---|---|
With gallium(III) trichloride at 20℃; for 6h; Inert atmosphere; |
(+/-)-diethyl tartrate
A
diethyl (2S,3S)-tartrate
B
diethyl (2R,3R)-tartrate
Conditions | Yield |
---|---|
With (S)-aminopropyl alcohol(at)silica 1 In hexane; isopropyl alcohol at 20℃; for 1h; Purification / work up; Resolution of racemate; Inert atmosphere; | A n/a B n/a |
Conditions | Yield |
---|---|
With hydrogenchloride In ethanol |
diethyl (2R,3R)-tartrate
dimethyl sulfate
(+)-(2R,3R)-diethyl di-O-methyltartrate
Conditions | Yield |
---|---|
With sodium hydride In diethyl ether at 0 - 20℃; Inert atmosphere; | 100% |
With sodium hydride In diethyl ether at 0 - 20℃; Inert atmosphere; | 100% |
With sodium hydride In diethyl ether at 0 - 20℃; | 100% |
With sodium hydride In diethyl ether |
Trimethyl orthoacetate
diethyl (2R,3R)-tartrate
diethyl (4R)-trans-2-methoxy-2-methyl-1,3-dioxolan-4,5-dicarboxylate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dichloromethane at 20℃; for 12h; | 100% |
With sulfuric acid In benzene at 80℃; | 98% |
Dimethoxymethane
diethyl (2R,3R)-tartrate
(+)-(2R,3R)-diethyl 2,3-bismethoxymethoxybutanedioate
Conditions | Yield |
---|---|
With phosphorus pentaoxide In chloroform for 2.5h; Ambient temperature; | 100% |
With phosphorus pentoxide In dichloromethane for 5h; Ambient temperature; | 100% |
With phosphorus pentoxide In chloroform for 2h; Alkylation; | 97% |
With phosphorus pentoxide In dichloromethane | 96% |
With phosphorus pentoxide In dichloromethane |
diethyl (2R,3R)-tartrate
diethyl (4R,5R)-1,3,2-dioxathiolane-4,5-dicarboxylate 2-oxide
Conditions | Yield |
---|---|
With thionyl chloride; N,N-dimethyl-formamide at 50℃; for 1h; | 100% |
With thionyl chloride In tetrachloromethane for 2h; Heating; | |
With thionyl chloride; N,N-dimethyl-formamide In dichloromethane at 0 - 50℃; for 2.5h; |
diethyl (2R,3R)-tartrate
tert-butyldimethylsilyl chloride
(2R,3R)-2,3-Bis-(tert-butyl-dimethyl-silanyloxy)-succinic acid diethyl ester
Conditions | Yield |
---|---|
With 1H-imidazole In N,N-dimethyl-formamide at 35℃; for 14h; | 100% |
With 1H-imidazole In N,N-dimethyl-formamide at 60℃; for 12h; | 100% |
With 1H-imidazole In N,N-dimethyl-formamide | 95% |
diethyl (2R,3R)-tartrate
2,2-dimethoxy-propane
A
diethyl (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene for 8h; Heating; Title compound not separated from byproducts.; | A 100% B n/a |
for 2.5h; Heating; |
Dimethoxymethane
diethyl (2R,3R)-tartrate
trans-(4R,5R)-1,3-dioxolane-4,5-dicarboxylic acid diethyl ester
Conditions | Yield |
---|---|
With 3 A molecular sieve; Amberlyst 15 ion-exchange resin In ethyl acetate for 24h; Heating; | 100% |
With boron trifluoride diethyl etherate In Isopropyl acetate | 100% |
diethyl (2R,3R)-tartrate
Conditions | Yield |
---|---|
With tetrakis(dimethylamido)diborane In toluene at 105℃; for 0.116667h; | 100% |
Conditions | Yield |
---|---|
at 20℃; for 0.5h; Inert atmosphere; neat (no solvent); | 100% |
diethyl (2R,3R)-tartrate
acetone
diethyl (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate
Conditions | Yield |
---|---|
With orthoformic acid triethyl ester | 99% |
With hydrogenchloride; orthoformic acid triethyl ester In N,N-dimethyl-formamide at 20℃; for 72h; | 85% |
boron trifluoride diethyl etherate at 23℃; for 5.5h; protection; | 80% |
diethyl (2R,3R)-tartrate
chloromethyl methyl ether
(+)-(2R,3R)-diethyl 2,3-bismethoxymethoxybutanedioate
Conditions | Yield |
---|---|
With N-ethyl-N,N-diisopropylamine In dichloromethane at 20℃; for 10h; | 99% |
With dmap; N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 20℃; Inert atmosphere; | 99% |
With N-ethyl-N,N-diisopropylamine In chloroform at 60℃; for 36h; | 79% |
With N-ethyl-N,N-diisopropylamine for 48h; Ambient temperature; | |
With N-ethyl-N,N-diisopropylamine In dichloromethane at 0 - 25℃; for 18h; | 130 g |
diethyl (2R,3R)-tartrate
4-chlorobenzoylmethylenetriphenylphosphorane
(E)-ethyl 4-(4-chlorophenyl)-4-oxobut-2-enoate
Conditions | Yield |
---|---|
Stage #1: diethyl (2R,3R)-tartrate With periodic acid In diethyl ether at 20 - 25℃; for 3h; Stage #2: 4-chlorobenzoylmethylenetriphenylphosphorane In tetrahydrofuran; diethyl ether at 0 - 25℃; for 16h; | 99% |
diethyl (2R,3R)-tartrate
2,2-dimethoxy-propane
diethyl (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene for 8h; Heating; | 98% |
With toluene-4-sulfonic acid for 8h; Reflux; | 98% |
With toluene-4-sulfonic acid | 97% |
Conditions | Yield |
---|---|
In benzene equiv. amts. of tratrate and boronic acid were refluxed for 2 h with Dean-Stark trap; distn.; elem. anal.; | 98% |
bis(cyclopentadienyl)dimethylzirconium(IV)
diethyl (2R,3R)-tartrate
Conditions | Yield |
---|---|
In dichloromethane byproducts: CH4; (N2 or Ar); to a soln. of dimethylzirconocene added dropwise tartrate at room temp. over a period of 0.5 h; stirred for 1 h; evapd.; washed with pentane; dried in vacuo; elem. anal.; | 98% |
Conditions | Yield |
---|---|
With sulfur tetrafluoride; hydrogen fluoride at 90℃; for 5h; | 97% |
diethyl (2R,3R)-tartrate
allyl bromide
(2R,3R)-2,3-Bis-allyloxy-succinic acid diethyl ester
Conditions | Yield |
---|---|
With silver(l) oxide In diethyl ether 2 h reflux in the dark, 1-3 d stirring; | 97% |
With 18-crown-6 ether; tetra-(n-butyl)ammonium iodide; sodium hydride In tetrahydrofuran at 0 - 25℃; for 4h; Etherification; | 93% |
With sodium hydride In tetrahydrofuran | 68% |
Stage #1: diethyl (2R,3R)-tartrate With sodium hydride In tetrahydrofuran at 0℃; for 1h; Stage #2: allyl bromide With 18-crown-6 ether; tetra-(n-butyl)ammonium iodide In tetrahydrofuran at 20℃; for 1.5h; |
diethyl (2R,3R)-tartrate
2-Methoxypropene
diethyl (4R,5R)-2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In dichloromethane | 97% |
With camphor-10-sulfonic acid In toluene at 20℃; for 5h; | 74% |
diethyl (2R,3R)-tartrate
methyl iodide
(+)-(2R,3R)-diethyl di-O-methyltartrate
Conditions | Yield |
---|---|
With silver(l) oxide for 19h; Inert atmosphere; Schlenk technique; Reflux; | 96% |
(i) TlOEt, benzene, (ii) /BRN= 969135/; Multistep reaction; | |
With silver(l) oxide |
diethyl (2R,3R)-tartrate
orthoformic acid triethyl ester
L-(R,R)-2-ethoxy-1,3-dioxolane-4,5-dicarboxylic acid diethyl ester
Conditions | Yield |
---|---|
With pyridinium p-toluenesulfonate In ethanol at 130 - 140℃; for 2h; | 96% |
With camphor-10-sulfonic acid In toluene at 95℃; | 95% |
diethyl (2R,3R)-tartrate
1,4-Cyclohexanedione
tetraethyl (2R,3R,10R,11R)-1,4,9,12-tetraoxadispiro[4.2.48.25]tetradecane-2,3,10,11-tetracarboxylate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid In benzene for 30h; cyclocondensation; Heating; | 96% |
With toluene-4-sulfonic acid In toluene for 120h; Condensation; Heating; | 92% |
With boron trifluoride diethyl etherate In ethyl acetate at 0 - 20℃; | 55% |
With boron trifluoride diethyl etherate In ethyl acetate at 0℃; |
3,3-dimethoxypentane
diethyl (2R,3R)-tartrate
diethyl (4R,5R)-2,2-diethyl-1,3-dioxolane-4,5-dicarboxylate
Conditions | Yield |
---|---|
With 4 A molecular sieve; toluene-4-sulfonic acid In benzene for 3h; Heating; | 96% |
diethyl (2R,3R)-tartrate
(2R,3R)-2,3-dihydroxybutanedihydrazide
Conditions | Yield |
---|---|
With hydrazine In ethanol; water Heating / reflux; | 96% |
With hydrazine hydrate In ethanol for 7h; Reflux; | 88% |
With hydrazine hydrate In ethanol for 2h; Reflux; | 87% |
diethyl (2R,3R)-tartrate
2,2-dimethoxy-propane
(4S,5S)-diethyl 2,2-dimethyl-1,3-dioxolane-4,5-dicarboxylate
Conditions | Yield |
---|---|
With toluene-4-sulfonic acid; orthoformic acid triethyl ester at 50℃; for 9h; Temperature; Reagent/catalyst; Reflux; | 95.5% |
toluene-4-sulfonic acid In benzene for 1h; Heating; | 89% |
With camphor-10-sulfonic acid |
diethyl (2R,3R)-tartrate
benzylamine
(2R,3R)-N1,N4-dibenzyl-2,3-dihydroxysuccinamide
Conditions | Yield |
---|---|
With potassium carbonate In methanol for 7h; Heating; | 95.3% |
With potassium carbonate In methanol Inert atmosphere; Reflux; | 90% |
With potassium carbonate In methanol at 80℃; for 15h; Inert atmosphere; | 62.4% |
Conditions | Yield |
---|---|
With triethylamine In toluene Cyclization; | 95% |
diethyl (2R,3R)-tartrate
ethyl chlorocarbonylacetate
Conditions | Yield |
---|---|
With pyridine In tetrahydrofuran; dichloromethane at 20℃; for 12h; | 95% |
Conditions | Yield |
---|---|
With potassium perrhenate; phosphoric acid; palladium on activated charcoal; hydrogen; pyrographite at 150℃; under 3878.71 Torr; | 95% |
diethyl (2R,3R)-tartrate
chloro-diphenylphosphine
(2R,3R)-2,3-O-Bis(diphenylphosphinoxy)weinsaeurediethylester
Conditions | Yield |
---|---|
With pyridine In diethyl ether at 20℃; for 4h; | 94% |
With dmap In toluene at 20℃; for 3h; Substitution; |
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