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。