[EN] PROCESS FOR THE PREPARATION OF 4-BROMOMETHYL-[1,1'-BIPHENYL]-2'-CARBONITRILE [FR] PROCÉDÉ POUR LA PRÉPARATION DU 4-BROMOMÉTHYL-[1,1'-BIPHÉNYLE]-2'-CARBONITRILE
Process for producing 4-bromomethylbiphenyl compounds
申请人:TAKEDA CHEMICAL INDUSTRIES, LTD.
公开号:EP0553879A2
公开(公告)日:1993-08-04
A process for the production of a compound of general formula
, wherein R represents cyano, carboxy which may be esterified or amidated or tetrazolyl which may be substituted, comprising brominating the corresponding methyl compound with a brominating agent such as N-bromoacetamide, N-bromophtalimide, N-bromosuccinimide and so on in a halogenated hydrocarbon solvent in the presence of an azobis compound.
一种通式化合物的生产工艺
其中 R 代表氰基、可酯化或酰胺化的羧基或可取代的四唑基,该工艺包括在偶氮二 重化合物存在下,在卤代烃溶剂中用 N-溴乙酰胺、N-溴代酞酰亚胺、N-溴代琥珀酰亚胺等溴 化剂溴化相应的甲基化合物。
PROCESS FOR THE PREPARATION OF 4-BROMOMETHYL-[1,1'-BIPHENYL]-2'-CARBONITRILE
申请人:SANOFI
公开号:EP2513046B1
公开(公告)日:2015-07-08
A PROCESS FOR THE PREPARATION OF 4-BROMOMETHYL DIPHENYL COMPOUNDS