Title:
テルミサルタンの製造方法
Document Type and Number:
Japanese Patent JP5160219
Kind Code:
B2
Abstract:
An improved process for the preparation of telmisartan, or a pharmaceutically acceptable salt thereof, comprises subjecting 1H-Benzimidazole-2-n-propyl-4-methyl-6-(1′-methyl benzimidazole-2′yl)] of formula (II), and methyl-4-(bromomethyl)biphenyl-2-carboxylate of formula (III) to condensation and hydrolysis in a single step:
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Inventors:
Narayan Rao Ragendra Kankan
Ramachandra Dohar Marajirao
Pathiel Srinivas
Puppara Rabikumaru
Ramachandra Dohar Marajirao
Pathiel Srinivas
Puppara Rabikumaru
Application Number:
JP2007512336A
Publication Date:
March 13, 2013
Filing Date:
May 10, 2005
Export Citation:
Assignee:
Shipra Limited
International Classes:
C07D235/20; A61K31/4184; C07D235/18; A61P9/12
Domestic Patent References:
| JP4346978A | ||||
| JP2002535315A |
Foreign References:
| WO2000027397A1 |
Attorney, Agent or Firm:
Toru Ishikawa