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Detail of "32634-68-7"

  • CAS Number:
  • 32634-68-7
  • Name:

  • Butanedioicacid,2,3-bis[(4-methylbenzoyl)oxy]-,(2S,3S)-

  • Superlist Name:
  • (+)-Di-1,4-toluoyl-D-tartaric acid
  • Molecular Structure:
  • Formula:
  • C20H18O8
  • Molecular Weight:
  • 386.35
  • Deleted CAS:
  • 79881-62-2|139159-61-8|47586-11-8|79780-71-5
  • Synonyms:
  • Butanedioicacid,2,3-bis[(4-methylbenzoyl)oxy]-,[S-(R*,R*)]-;Tartaric acid,di-p-toluate, (+)- (8CI);p-Toluic acid, diester with D-tartaric acid (7CI);(2S,3S)-2,3-Bis[(4-methylbenzoyl)oxy]succinic acid;
  • EINECS:
  • 251-132-2
  • Density:
  • 1.371 g/cm3
  • Melting Point:
  • 169-171 °C(lit.)
  • Boiling Point:
  • 626.5 °C at 760 mmHg
  • Flash Point:
  • 223.2 °C
  • Hazard Symbols:
  • IrritantXi
  • Risk Codes:
  • 36/37/38
  • Safety:
  • 22-24/25-36/37-26 Details
  • particular:
  • particular
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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acidCompetitive Product

Assay:99%  Appearance:white powder  Package:5kgs/ drum. ...  Application:Reagent for ...

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acidCompetitive Product

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

  Appearance:white crysta...  Application:Reagent for ...

Name: Di-p-toluoyl-D-tartaric acid monohydrate D-(+)-DTTAHH2O Formula: C20H20O9 Formula weight: 386.33 Characters: insoluble in water, soluble alcohol and methanol, deliquescent in air.

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

(+)-O,O'-Di-p-toluoyl-D-tartaric acid

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

(+)-Di-1,4-toluoyl-D-tartaric acid Purity:99% Professional manufacturer of chiral chemicals and the best price.

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

Cas No:32634-68-7

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

Solubility - Freely Soluble in Methanol Specific Optical Rotation - (α) 20/D +136 to +142 (C = 1% MeOH) Assay - 98 % - 102 %

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

Molecular Formula:C20 H18O8 Molecular Weight:386.33 Property: This product is a white crystalline powder, easily absorbing moisture from the air, soluble in ethanol and methanol, practically insoluble in water Use: Widely used in chirally decomposing amine compounds

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

Di-p-Toluoyl -D-Tartaric Acid

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(+)-Di-(p-toluoyl)-D-tartaric acid

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Di-P-Toluoyl-D-Tartaric Acid

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

D-(+)-Di-p-Toluoyltartaric acid

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

DIP-P-TOLUOYL-D-WEINSAURE

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CAS No.32634-68-7 (+)-Di-1,4-toluoyl-D-tartaric acid

DI-P-TOLUOYL-D-TARTARIC ACID

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DI-P-TOLUOYL-D-TARTARIC ACID

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Reference

Process for manufacture of (2S,3aS,7aS)-1-[(2S)-2-[[(1S)-1-(ethoxycarbonyl)butyl]amino]-1-oxopro pyl]octahydro-1H-indole-2-carboxylic acid (perindopril) and its tert-butyl amine salt
All Rights Reserved. Process for manufacture of (2S,3aS,7aS)-1-[(2S)-2-[[(1S)-1-(ethoxycarbonyl)butyl]amino]-1-oxopro pyl]octahydro-1H-indole-2-carboxylic acid (perindopril) and its tert-butyl amine salt. Gunjal, Sanjay Tukaram; Jadhav, Dilip Uttam; Kumar, Ashok; Arpana, Mathur; Panda, Nalinakshya Balaram; Soudagar, Satish Rajanikant ( India ). U.S. Pat. Appl. Publ. US 2007021490 A1 25 Jan 2007,10pp., Cont.-in-part of U.S. Ser. No. 140,226. (English). 104-15-4 and 32634-68-7 are also in the experiment. (United States of America). CODEN: USXXCO. INCL: 514419000; 548492000. APPLICATION: US 2006-324349 3 Jan 2006. PRIORITY: IN 2005-17 6 Jan 2005; US 2005-140226 27 May 2005. DOCUMENT TYPE: Patent CA Section: 34 (Amino Acids, Peptides, and Proteins) The invention relates to the prepn. of perindopril [(2S,3aS,7aS)-1-[(2S)-2-[(S)-1-(ethoxycarbonyl)butylamino]propionyl]oc tahydro-1H-indole-2-carboxylic acid], its salts, and its novel intermediates, specifically aralkyl ester salts. Thus, (2S,3aS,7aS)-octahydro-1H-indole-2-carboxylic acid was treated with N-[(S)-1-(ethoxycarbonyl)butyl]-L-alanine in CH2Cl2 in the presence of Et3N, 1-hydroxybenzotriazole, and dicyclohexylcarbodiimide to afford 99% perindopril benzyl ester. Conversion of the latter into the oxalate salt, followed by hydrogenolysis over 5% Pd/C and reaction with tert-butylamine yielded perindopril erbumine. .
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