676129-91-2

Upstream product

• 72-18-4 L-valine 
• 151052-40-3 2'-(1H-tetrazol-5-yl)biphenyl-4-carbaldehyde 
• 676130-02-2 5-(2-bromophenyl)-2-(tetrahydropyran-2-yl)-2H-tetrazole 
• 676130-06-6 5-(4'-diethoxymethyl-biphenyl-2-yl)-2-(tetrahydro-pyran-2-yl)-2H-tetrazole 
• 73096-42-1 5-(2-bromophenyl)-1H-tetrazole 
• 34421-94-8 4-bromobenzaldehyde diethyl acetal 
• 133292-05-4 4-(diethoxymethyl)phenylmagnesium bromide 

Downstream Products

• 137862-53-4 N-pentanoyl-N-[[2'-(1H-tetrazol-5-yl)-[1,1'-biphenyl]-4-yl]-methyl]-(L)-valine 
• 676129-92-3 desvaleroyl valsartan 

Relevant academic research and scientific papers

PROCESS FOR THE PREPARATION OF TETRAZOLE DERIVATIVES FROM ORGANO BORON AND ORGANO ALUMINIUM AZIDES

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

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.