SUBSTITUTED ARYL BORONIC ACIDS, THEIR PREPARATION AND THEIR PRECURSORS
申请人:Pfizer Products Inc.
公开号:EP1519940A1
公开(公告)日:2005-04-06
US7045652B2
申请人:——
公开号:US7045652B2
公开(公告)日:2006-05-16
[EN] SUBSTITUTED ARYL BORONIC ACIDS, THEIR PREPARATION AND THEIR PRECURSORS<br/>[FR] ACIDES BORONIQUES SUBSTITUES ARYLE, MODE DE PREPARATION ET PRECURSEURS
申请人:PFIZER PROD INC
公开号:WO2004005301A1
公开(公告)日:2004-01-15
The invention relates to processes for preparing a compound of the formula (V) and alkyl boronic esters thereof wherein R1 is attached at the 2 or 3 position of the benzene ring, R2 is attached at the 5 or 6 position and R1, R2 and G are as defined herein. Said compound is a key synthetic intermediate in the preparation of 2-amino-6-(substituted-4phenoxy)-substituted-pyridines useful as nitric oxide synthase (NOS) inhibitors in a mammal.