Under the catalysis of anhydrous manganous chloride,p-methylphenylmagnesium chloride couplied with 2-chlorobenzonitrile to obtain high yield of 2-cyano-4′-methylbiphenyl in mixed solvent of THF and toluene,and the mi...Under the catalysis of anhydrous manganous chloride,p-methylphenylmagnesium chloride couplied with 2-chlorobenzonitrile to obtain high yield of 2-cyano-4′-methylbiphenyl in mixed solvent of THF and toluene,and the mixed solvent was recycled efficiently.展开更多
t-Butyl 4’-bromomethylbiphenyl-2-carboxylate was prepared from 4’-methylbiphenyl-2-carbonitrile by hydrolysis, esterification and bromination with an overall yield of 61%。
文摘Under the catalysis of anhydrous manganous chloride,p-methylphenylmagnesium chloride couplied with 2-chlorobenzonitrile to obtain high yield of 2-cyano-4′-methylbiphenyl in mixed solvent of THF and toluene,and the mixed solvent was recycled efficiently.
文摘t-Butyl 4’-bromomethylbiphenyl-2-carboxylate was prepared from 4’-methylbiphenyl-2-carbonitrile by hydrolysis, esterification and bromination with an overall yield of 61%。