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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

(+)-Dibenzoyl-D-tartaric acid Manufacturer/High quality/Best price/In stock

Cas:17026-42-5

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 (+)-Dibenzoyl-D-Tartaric Acid supplier in China

Cas:17026-42-5

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Hangzhou Dingyan Chem Co., Ltd

Items Standard Result Assay 98%min ----------------------------------------------------------------------------------------------

High purity Various Specifications (+)-dibenzoyl-(D)-tartaric acid CAS:17026-42-5

Cas:17026-42-5

Min.Order:1 Gram

FOB Price: $100.0 / 500.0

Type:Manufacturers

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Wuhan Fortuna Chemical Co.,Ltd

Unique advantages Guaranteed purity High quality & competitive price Quality control Fast feedback Prompt shipment Appearance:White to light yellow powder Storage:cool dry place Package:25kg/drum Application:fine chemical Transportation:by

Manufacturer high quality (+)-Dibenzoyl-D-tartaric acid Cas 17026-42-5 with good price

Cas:17026-42-5

Min.Order:25 Kilogram

Negotiable

Type:Trading Company

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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 [S-(R*,R*)]-2,3-bis(benzoyloxy)succinic acid

Cas:17026-42-5

Min.Order:1

Negotiable

Type:Other

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Henan Allgreen Chemical Co.,Ltd

good quality Appearance:liquid Storage:cold storage Package:meet the demand of customer Application:diagnostic reagent Transportation:by sea or by air

(+)-Dibenzoyl-D-tartaric acid

Cas:17026-42-5

Min.Order:0 Metric Ton

Negotiable

Type:Manufacturers

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Hangzhou J&H Chemical Co., Ltd.

1. Placement of orders 1.1 In respect of the conclusion, performance and wind-up of contracts concluded with J&H, the optional law shall be replaced exclusively by the conditions of sale, delivery and payment stipulated hereinafter. The s

(+)-Dibenzoyl-D-tartaric acid

Cas:17026-42-5

Min.Order:1 Kilogram

Negotiable

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

(+)-Dibenzoyl-D-Tartaric Acid

Cas:17026-42-5

Min.Order:1 Metric Ton

Negotiable

Type:Manufacturers

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Chemwill Asia Co., Ltd.

(+)-Dibenzoyl-D-tartaric acid Manufacturer Factory CAS 17026-42-5 2-Methyladamantan-2-yl Acrylate Manufacturer Factory CAS 249562-06-9 Dibenzoyl-D-tartaric acid COA TDS price MSDS Name (+)-Dibenzoyl-D-tartaric acid Synonyms [S-

(+)-Dibenzoyl-D-tartaric acid Manufacturer Factory CAS 17026-42-5

Cas:17026-42-5

Min.Order:5 Kiloliter

FOB Price: $1.2 / 5.0

Type:Manufacturers

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Hubei DiBo chemical co., LTD

Name:Dibenzoyl-D-tartaric acid CAS NO: 17026-42-5 Grade:Medical scientific research and export Molecular formula:C18H14O8  Molecular weight: 358.33 Product Quality 12 years of chemical raw materials Mature operation of the industry System

Dibenzoyl-D-tartaric acid / CAS:17026-42-5/ raw material/ high-quality

Cas:17026-42-5

Min.Order:25 Kilogram

FOB Price: $2.0 / 3.0

Type:Other

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Henan Tianfu Chemical Co., Ltd.

(+)-Dibenzoyl-D-tartaric acid Basic information Product Name: (+)-Dibenzoyl-D-tartaric acid Synonyms: (+)-2,3-DIBENZOYL-D-TARTARIC ACID;(2S,3S)-(+)-DI-O-BENZOYLTARTARIC ACID;(2S,3S)-(+)-

17026-42-5

Cas:17026-42-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Nengqian Chemical Import and Export Co., LTD

With 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

(+)-Dibenzoyl-D-tartaric acid

Cas:17026-42-5

Min.Order:1 Kilogram

FOB Price: $3.0 / 10.0

Type:Trading Company

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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

New production CAS 17026-42-5 with best quality

Cas:17026-42-5

Min.Order:1 Kilogram

FOB Price: $139.0 / 210.0

Type:Trading Company

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Henan Sinotech Import&Export Corporation

Product Name (+)-Dibenzoyl-D-tartaric acid Synonyms [S-(R*,R*)]-2,3-Bis(benzoyloxy)succinic acid; (-)-Di-1,4-O-benzoyl-L-tartaric acid; D-Tartaric acid 2,3-dibenzoate

(+)-Dibenzoyl-D-tartaric acid

Cas:17026-42-5

Min.Order:1 Kilogram

FOB Price: $1.0

Type:Other

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Hangzhou Sartort Biopharma Co., Ltd

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

(+)-Dibenzoyl-D-tartaric acid

Cas:17026-42-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hubei Langyou International Trading Co., Ltd

1. Guaranteed purity; 2. Large quantity in stock; 3. Largest manufacturer; 4. Best service after shipment with email; 5. High quality & competitive price; Appearance:powder Storage:Store in sealed containers at cool & dry pla

Pharmaceutical Intermediate (+)-Dibenzoyl-D-tartaric acid CAS 17026-42-5

Cas:17026-42-5

Min.Order:100 Gram

Negotiable

Type:Other

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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

(+)-Dibenzoyl-D-tartaric acid 17026-42-5

Cas:17026-42-5

Min.Order:1 Kilogram

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 (+)-Dibenzoyl-D-tartaric acid CAS 17026-42-5

Cas:17026-42-5

Min.Order:1 Kilogram

FOB Price: $1.0 / 2.0

Type:Lab/Research institutions

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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

(+)-Dibenzoyl-D-tartaric acid 17026-42-5

Cas:17026-42-5

Min.Order:1 Kilogram

FOB Price: $30.0 / 40.0

Type:Trading Company

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Qingdao Beluga Import and Export Co., LTD

(+)-Dibenzoyl-D-tartaric acid CAS:17026-42-5 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 org

(+)-Dibenzoyl-D-tartaric acid CAS:17026-42-5

Cas:17026-42-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Shandong Hanjiang Chemical Co., Ltd.

Hello, 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

(+)-Dibenzoyl-D-tartaric acid

Cas:17026-42-5

Min.Order:1 Kilogram

Negotiable

Type:Lab/Research institutions

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Hebei Quanhe Biotechnology Co. LTD

1. Timely and efficient service to ensure communication with customers 2. Produce products of different specifications and sizes according to your requirements. 3. Quality procedures and standards recognized by SGS. Advanced plant equipment ensures s

(+)-Dibenzoyl-D-tartaric acid

Cas:17026-42-5

Min.Order:1 Kilogram

FOB Price: $10.0 / 100.0

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

(+)-Dibenzoyl-D-tartaric acid

Cas:17026-42-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

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Hangzhou Fandachem Co.,Ltd

Hangzhou Fanda Chemical Co.,Ltd (FandaChem) , a China-based chemical company, specialize in exporting (+)-Dibenzoyl-D-tartaric acid cas 17026-42-5;Please contact us by email freely. We are leading exporter in China. If you really need

(+)-Dibenzoyl-D-tartaric acid cas 17026-42-5 from Fandachem

Cas:17026-42-5

Min.Order:0 Metric Ton

Negotiable

Type:Other

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Xiamen Hisunny Chemical Co.,Ltd

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

(+)-Dibenzoyl-D-Tartaric Acid

Cas:17026-42-5

Min.Order:0

Negotiable

Type:Manufacturers

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SHANGHAI T&W PHARMACEUTICAL CO., LTD.

A substitute for perfluorooctanoic acid, mainly used as a surfactant, dispersant, additive, etc Appearance:White solid or Colorless liquid Purity:99.3 % We will ship the goods in a timely manner as required We can provide relevant documents acc

(+)-Dibenzoyl-D-tartaric acid

Cas:17026-42-5

Min.Order:4 Kilogram

Negotiable

Type:Lab/Research institutions

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Hubei Lidu New Material Technology Co., Ltd

Hubei Lidu New Materials Technology Co. , Ltd. is located in No. 12,3C Industrial Park, Zhongxiang Economic Development Zone, Hubei Province. The company is committed to fine chemical raw materials, pharmaceutical intermediates and other production,

(+)-Dibenzoyl-D-tartaric acid

Cas:17026-42-5

Min.Order:1 Gram

Negotiable

Type:Lab/Research institutions

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Hangzhou Keyingchem Co.,Ltd

Hangzhou 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

(+)-Dibenzoyl-D-tartaric acid, anhydrous

Cas:17026-42-5

Min.Order:0 Metric Ton

Negotiable

Type:Lab/Research institutions

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Afine Chemicals Limited

Our Services 1. New Molecules R&D 2. Own test center HPLC NMR GC LC-MS 3. API and Intermediates from China reputed manufacturers 4. Documents support COA MOA MSDS DMF open part Our advantages 1. Government awarded company. Top 100 enter

DIBENZOYL-D-TARTARIC ACID

Cas:17026-42-5

Min.Order:0

Negotiable

Type:Lab/Research institutions

inquiry

Hangzhou Lingrui Chemical Co.,Ltd.

advantage: 1. The best price, satisfactory quality; 2. customers have the right to choose the delivery of parcels (EMS, DHL, FedEx, UPS); 3. customers have the right to choose from the recent effective packaging methods of their products packaging

(+)-Dibenzoyl-D-tartaric acid

Cas:17026-42-5

Min.Order:1 Gram

Negotiable

Type:Other

inquiry

Synthetic route

L-1-phenyl-2-(1-pyrrolidinyl)-1-propanone-(-)-dibenzoyl-L-tartaric acid salt

L-1-phenyl-2-(1-pyrrolidinyl)-1-propanone-(-)-dibenzoyl-L-tartaric acid salt

A

(SR)-(+/-)-1-phenyl-2-(1-pyrrolidinyl)-1-propanone
19134-50-0

(SR)-(+/-)-1-phenyl-2-(1-pyrrolidinyl)-1-propanone

B

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

Conditions
ConditionsYield
With hydrogenchloride; sodium hydroxide In water; ethyl acetate at 80℃; for 5h; pH=2 - 11.5;A 87.6%
B n/a
S-nicotine dibenzoyl-d-tartrate

S-nicotine dibenzoyl-d-tartrate

A

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

B

nicotin
54-11-5

nicotin

Conditions
ConditionsYield
With hydrogenchloride In water for 0.166667h; Product distribution / selectivity;A n/a
B 65.5%
D-tartaric acid
147-71-7

D-tartaric acid

benzoyl chloride
98-88-4

benzoyl chloride

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

di-O-benzoyl-Dg-tartaric acid-anhydride

di-O-benzoyl-Dg-tartaric acid-anhydride

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

Conditions
ConditionsYield
With water

A

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

B

O,O'-dibenzoyl-L-tartaric acid
2743-38-6

O,O'-dibenzoyl-L-tartaric acid

Conditions
ConditionsYield
With N-isopropylcarbamoyl-derivatized cyclofructan-6 column In methanol; acetic acid; triethylamine; acetonitrile at 20℃; Resolution of racemate;

A

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

B

O,O'-dibenzoyl-L-tartaric acid
2743-38-6

O,O'-dibenzoyl-L-tartaric acid

Conditions
ConditionsYield
With chiral stationary phase including (R)-naphthylethyl-carbamate-functionalized CF6 In methanol; acetic acid; triethylamine; acetonitrile at 20℃; Purification / work up; Resolution of racemate;
With (3R,7R)-1,9-dimethyl-3,7-diphenyl-2,3,5,7,8,9-hexahydro-1H-diimidazo[1,2-c:2',1'-f][1,3,2]diazaphosphinin-4-ium-5-olate-5-oxide In chloroform-d1 at 23℃; Resolution of racemate;
tapentadol
175591-23-8

tapentadol

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

(1R,2R)-3-(3-dimethylamino-1-ethyl-2-methylpropyl)phenol hemi-(2S,3S)-dibenzoyltartrate

(1R,2R)-3-(3-dimethylamino-1-ethyl-2-methylpropyl)phenol hemi-(2S,3S)-dibenzoyltartrate

Conditions
ConditionsYield
In acetone at 20℃; for 3h;100%
O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

2-phenyl-2-(piperidin-2-yl)acetic acid

2-phenyl-2-(piperidin-2-yl)acetic acid

d-threo-ritalinic acid dibenzoyl-D-tartrate

d-threo-ritalinic acid dibenzoyl-D-tartrate

Conditions
ConditionsYield
Stage #1: 2-phenyl-2-(piperidin-2-yl)acetic acid With oxalic acid In methanol; water at 25 - 30℃; for 1h;
Stage #2: O,O'-dibenzoyl-D-tartaric acid In methanol; water at 5 - 70℃; for 10h;
100%
ethyloxirane
106-88-7

ethyloxirane

dimethylsulfide
75-18-3

dimethylsulfide

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

dimethyl 2-hydroxybutyl sulfonium dibenzoyltartrate
140427-67-4

dimethyl 2-hydroxybutyl sulfonium dibenzoyltartrate

Conditions
ConditionsYield
In dichloromethane for 24h; Ambient temperature;99%
N,N'-bis(1,3-dimethyl-2-imidazolidinylidene)-o-benzenediamine

N,N'-bis(1,3-dimethyl-2-imidazolidinylidene)-o-benzenediamine

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

C16H24N6*2C18H14O8

C16H24N6*2C18H14O8

Conditions
ConditionsYield
In water; ethyl acetate at 20℃; for 3h;97.9%
(R)-5-((E)-2-pyrrolidin-3-ylvinyl)pyrimidine
753015-44-0

(R)-5-((E)-2-pyrrolidin-3-ylvinyl)pyrimidine

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

(R)-5-((E)-2-pyrrolidin-3-ylvinyl)pyrimidine hemi-di-benzoyl-D-tartarate

(R)-5-((E)-2-pyrrolidin-3-ylvinyl)pyrimidine hemi-di-benzoyl-D-tartarate

Conditions
ConditionsYield
In ethanol at 20℃; Reflux;95.2%
In ethanol Reflux;95.2%
dimethylsulfide
75-18-3

dimethylsulfide

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

oxiranyl-methanol
556-52-5

oxiranyl-methanol

2,3-dihydroxypropyl dimethyl sulfonium dibenzoyltartrate
140630-30-4

2,3-dihydroxypropyl dimethyl sulfonium dibenzoyltartrate

Conditions
ConditionsYield
In dichloromethane for 16h; Ambient temperature;95%
O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

2-(1-azabicyclo[2.2.2]oct-2-yl)-6-(3-methyl-1H-pyrazol-4-yl)thieno[3,2-d]pyrimidin-4(3H)-one

2-(1-azabicyclo[2.2.2]oct-2-yl)-6-(3-methyl-1H-pyrazol-4-yl)thieno[3,2-d]pyrimidin-4(3H)-one

A

(2S,3S)-2,3-bis(benzoyloxy)butanedioic acid 2-[1-azabicyclo[2.2.2]oct-2-yl]-6-(3-methyl-1H-pyrazol-4-yl)thieno[3,2-d]pyrimidin-4(3H)-one

(2S,3S)-2,3-bis(benzoyloxy)butanedioic acid 2-[1-azabicyclo[2.2.2]oct-2-yl]-6-(3-methyl-1H-pyrazol-4-yl)thieno[3,2-d]pyrimidin-4(3H)-one

B

(2S,3S)-2,3-bis(benzoyloxy)butanedioic acid 2-[(2S)-1-azabicyclo[2.2.2]oct-2-yl]-6-(3-methyl-1H-pyrazol-4-yl)thieno[3,2-d]pyrimidin-4(3H)-one

(2S,3S)-2,3-bis(benzoyloxy)butanedioic acid 2-[(2S)-1-azabicyclo[2.2.2]oct-2-yl]-6-(3-methyl-1H-pyrazol-4-yl)thieno[3,2-d]pyrimidin-4(3H)-one

Conditions
ConditionsYield
In acetic acid; butan-1-ol at 80 - 90℃; for 3h; Solvent; Temperature; Large scale;A n/a
B 94.8%
dimethylsulfide
75-18-3

dimethylsulfide

hexadecanoic acid, glycidyl ester
7501-44-2

hexadecanoic acid, glycidyl ester

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

dimethyl (3-hexadecanoyloxy-2-hydroxypropyl) sulfonium dibenzoyltartrate
140427-55-0

dimethyl (3-hexadecanoyloxy-2-hydroxypropyl) sulfonium dibenzoyltartrate

Conditions
ConditionsYield
In dichloromethane for 24h; Ambient temperature;93%
(R)-5-((E)-2-pyrrolidin-3-ylvinyl)pyrimidine
753015-44-0

(R)-5-((E)-2-pyrrolidin-3-ylvinyl)pyrimidine

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

(R)-5-((E)-2-pyrrolidin-3-ylvinyl)pyrimidine mono-di-benzoyl-D-tartarate
1228391-42-1

(R)-5-((E)-2-pyrrolidin-3-ylvinyl)pyrimidine mono-di-benzoyl-D-tartarate

Conditions
ConditionsYield
In ethanol at 20℃; Heating;93%
In ethanol Heating;93%
thiophene
110-01-0

thiophene

ethyloxirane
106-88-7

ethyloxirane

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

2-(2-hydroxybutyl)thiolanium dibenzoyltartrate
140427-51-6

2-(2-hydroxybutyl)thiolanium dibenzoyltartrate

Conditions
ConditionsYield
In dichloromethane for 24h; Ambient temperature;92%
6-phenethyl-octahydro-pyrrolo[2,3-c]pyridine
1221278-64-3

6-phenethyl-octahydro-pyrrolo[2,3-c]pyridine

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

C15H22N2*C18H14O8

C15H22N2*C18H14O8

Conditions
ConditionsYield
In ethanol; isopropyl alcohol; toluene at 20℃; for 15h; Resolution of racemate;92%
O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

6-phenethyloctahydropyrrolo[2,3-c]pyridine

6-phenethyloctahydropyrrolo[2,3-c]pyridine

A

C15H22N2*C18H14O8

C15H22N2*C18H14O8

B

C15H22N2

C15H22N2

Conditions
ConditionsYield
In ethanol; isopropyl alcohol; toluene at 20℃; for 16h; Inert atmosphere;A 92%
B n/a
O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

(2RS,3S)-2-amino-3-methylpentanoic acid

(2RS,3S)-2-amino-3-methylpentanoic acid

A

C18H14O8*C6H13NO2

C18H14O8*C6H13NO2

B

(2S,3S)-2,3-Bis-benzoyloxy-succinic acid; compound with (2R,3S)-2-amino-3-methyl-pentanoic acid

(2S,3S)-2,3-Bis-benzoyloxy-succinic acid; compound with (2R,3S)-2-amino-3-methyl-pentanoic acid

Conditions
ConditionsYield
With salicylaldehyde; acetic acid In n-heptane; acetic acid butyl ester at 80℃; for 5h;A n/a
B 90%
O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

zopiclon
43200-80-2

zopiclon

A

(R)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate D-(+)-O,O'-dibenzoyltartaric acid salt
144025-94-5

(R)-6-(5-chloropyridin-2-yl)-7-oxo-6,7-dihydro-5H-pyrrolo[3,4b]pyrazin-5-yl 4-methylpiperazine-1-carboxylate D-(+)-O,O'-dibenzoyltartaric acid salt

B

eszopiclone dibenzoyl-D-tartrate
144025-93-4

eszopiclone dibenzoyl-D-tartrate

Conditions
ConditionsYield
In acetonitrile at 21℃; for 2h; Temperature; Solvent; Optical yield = 87.4 %ee;A 89.8%
B n/a
In 1-methyl-pyrrolidin-2-one; water at 60 - 65℃; for 1h; Resolution of racemate;A n/a
B 86.25%
In dichloromethane at 20℃; for 3h; Purification / work up; Resolution of racemate;
In acetonitrile at 25 - 35℃; for 6 - 7h;
In water; acetonitrile at 25 - 80℃; for 3 - 4.5h; Purification / work up; Resolution of racemate;
(S)-3-(4-chlorophenyl-2-chloropyrid-3-ylmethoxy)azetidine
1186316-72-2

(S)-3-(4-chlorophenyl-2-chloropyrid-3-ylmethoxy)azetidine

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

(S)-3-(4-chlorophenyl-2-chloropyrid-3-ylmethoxy)azetidine dibenzoyl tartate
1186316-77-7

(S)-3-(4-chlorophenyl-2-chloropyrid-3-ylmethoxy)azetidine dibenzoyl tartate

Conditions
ConditionsYield
In isopropyl alcohol89%
O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

meso-mono(β-o-aminophenyl)triphenylporphyrin
69082-94-6

meso-mono(β-o-aminophenyl)triphenylporphyrin

C106H72N10O6

C106H72N10O6

Conditions
ConditionsYield
Stage #1: O,O'-dibenzoyl-D-tartaric acid With thionyl chloride for 10h; Schlenk technique; Inert atmosphere; Reflux;
Stage #2: meso-mono(β-o-aminophenyl)triphenylporphyrin With triethylamine In dichloromethane at 20℃; for 8h;
89%
(±)-erythro/threo-2-phenyl-2-(piperidin-2-yl)acetamide
19395-39-2

(±)-erythro/threo-2-phenyl-2-(piperidin-2-yl)acetamide

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

d-threo-[R(R*,R*)]-2-phenyl-2-piperidine-2-yl acetamide dibenzoyl-d-tartrate
741272-48-0

d-threo-[R(R*,R*)]-2-phenyl-2-piperidine-2-yl acetamide dibenzoyl-d-tartrate

Conditions
ConditionsYield
In isopropyl alcohol at 20 - 55℃; for 6.5h; Resolution of racemate;88%
(+/-)-2-iodo-6H,12H,5,11-methanodibenzo[b,f][1,5]diazocine
951760-12-6

(+/-)-2-iodo-6H,12H,5,11-methanodibenzo[b,f][1,5]diazocine

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

(+)-S,S-2-iodo-6,12-dihydro-5,11-methanodibenzo[b,f ][1,5]-diazocine*(+)-O,O′-dibenzoyl-D-tartaric acid
1478192-94-7

(+)-S,S-2-iodo-6,12-dihydro-5,11-methanodibenzo[b,f ][1,5]-diazocine*(+)-O,O′-dibenzoyl-D-tartaric acid

Conditions
ConditionsYield
In 1,2-dichloro-ethane at 55 - 60℃; for 120h; Resolution of racemate;88%
O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

2,8-dibromo-6H,12H-5,11-methanodibenzo[b,f][1,5]-diazocine
390357-42-3, 1042268-76-7, 1042269-05-5

2,8-dibromo-6H,12H-5,11-methanodibenzo[b,f][1,5]-diazocine

(+)-S,S-2,8-dibromo-6,12-dihydro-5,11-methanodibenzo-[b,f ][1,5]diazocine*(+)-O,O′-dibenzoyl-D-tartaric acid
1478192-77-6

(+)-S,S-2,8-dibromo-6,12-dihydro-5,11-methanodibenzo-[b,f ][1,5]diazocine*(+)-O,O′-dibenzoyl-D-tartaric acid

Conditions
ConditionsYield
In 1,2-dichloro-ethane at 55 - 60℃; for 120h; Resolution of racemate;88%
O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

zopiclon
43200-80-2

zopiclon

D(+)-O,O-dibenzoyl tartarate of zopiclone
1020156-02-8

D(+)-O,O-dibenzoyl tartarate of zopiclone

Conditions
ConditionsYield
In water; acetonitrile at 25 - 35℃; for 7h;86.63%
2-amino-3,3-dimethylbutanoic acid
33105-81-6

2-amino-3,3-dimethylbutanoic acid

O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

A

D-tert-leucine
26782-71-8

D-tert-leucine

B

L-tert-leucine dibenzoyl-D-tartrate

L-tert-leucine dibenzoyl-D-tartrate

Conditions
ConditionsYield
In water at 28℃; for 24h; Resolution of racemate;A 85%
B n/a
O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

C18H14O8*C13H19NO

C18H14O8*C13H19NO

Conditions
ConditionsYield
With sodium hydroxide In water; acetone at 20℃;85%
O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

C19H24O4S

C19H24O4S

C12H20N2O*C18H14O8

C12H20N2O*C18H14O8

Conditions
ConditionsYield
Stage #1: C19H24O4S With hydrazine hydrate In ethanol at 65℃; for 16h; Inert atmosphere; Autoclave;
Stage #2: O,O'-dibenzoyl-D-tartaric acid In tert-butyl methyl ether for 3.5h;
85%
O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

Benzylidene-methyl-naphthalen-1-yl-phenyl-λ5-phosphane
19432-37-2

Benzylidene-methyl-naphthalen-1-yl-phenyl-λ5-phosphane

(2S,3S)-2,3-Bis-benzoyloxy-3-carboxy-propionatebenzyl-methyl-naphthalen-1-yl-phenyl-phosphonium;
84673-94-9

(2S,3S)-2,3-Bis-benzoyloxy-3-carboxy-propionatebenzyl-methyl-naphthalen-1-yl-phenyl-phosphonium;

Conditions
ConditionsYield
In tetrahydrofuran84%
O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

trans-2,5-diallylpyrrolidine

trans-2,5-diallylpyrrolidine

bis(trans-2,5-diallylpyrrolidine-1-ium) dibenzoyltartrate (2-)

bis(trans-2,5-diallylpyrrolidine-1-ium) dibenzoyltartrate (2-)

Conditions
ConditionsYield
In chloroform for 32h; Acylation;84%
O,O'-dibenzoyl-D-tartaric acid
17026-42-5

O,O'-dibenzoyl-D-tartaric acid

(3S,4S)-2,5-dioxotetrahydrofuran-3,4-diyl dibenzoate
17637-11-5, 64339-95-3, 111955-47-6, 116780-73-5

(3S,4S)-2,5-dioxotetrahydrofuran-3,4-diyl dibenzoate

Conditions
ConditionsYield
With acetic anhydride at 85℃; for 2h;84%
With acetic anhydride at 85℃; for 2h;84%
With acetic anhydride at 85℃; for 2h;84%

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