676129-92-3Relevant academic research and scientific papers
Preparation method of valsartan nitrite remainder
-
Paragraph 0019-0028, (2019/04/17)
The invention discloses a preparation method of valsartan nitrite remainder, which belongs to the technical field of a preparation method of a chemical drug midbody. Valsartan is used as a raw material to have hydrolysis and nitrosation reaction to prepar
An efficient and telescopic process for valsartan, an angiotensin II Receptor Blocker
Aalla, Sampath,Gilla, Goverdhan,Bojja, Yakambram,Anumula, Raghupathi Reddy,Vummenthala, Prabhakar Reddy,Padi, Pratap Reddy
scheme or table, p. 682 - 686 (2012/08/07)
An efficient, telescopic, and scalable process for an antihypertensive drug substance, valsartan with an overall yield of 58%, and ~99.9% purity is described. A simple, and safe process is developed for the recovery of tributyltin chloride from the tributyltin hydroxide, byproduct formed in the tetrazole ring construction, and reused in the synthesis of valsartan.
PROCESS FOR THE PREPARATION OF TETRAZOLE DERIVATIVES FROM ORGANO BORON AND ORGANO ALUMINIUM AZIDES
-
Page/Page column 55, (2008/06/13)
The present invention relates to a method for preparing substituted tetrazoles, compounds obtained according to this method, new reactants and new tetrazole derivatives.
PROCESS FOR THE MANUFACTURE OF VALSARTAN
-
Page 21-22, (2008/06/13)
The present invention relates to a process for the manufacture of Valsartan, an angiotensin receptor blocker (ARB; also called angiotension II receptor antagonist or AT1 receptor antagonist) and salts thereof, to novel intermediates and process steps.
