| abstract |
To find an industrially useful new halomethylbenzoyl cyanide as an important intermediate product for the synthesis of plant protection agents. A compound of formula I ′ prepared by reaction of halomethylbenzoyl chloride with an alkali metal cyanide or transition metal cyanide. [Chemical 1] (In the formula, X is a halogen atom, C 1 -C 4 -alkyl, C 1 -C 4 -alkoxy, trifluoromethyl, —C (C 1 -C 5 -alkyl) ═N—O— (C 1 -C 5 -alkyl) or —C (C 1 -C 5 -alkyl) ═N—O— (C 2 -C 5 -alkenyl), m is 0 to 4 and Y is chloromethyl or bromomethyl. A halomethylbenzoyl cyanide represented by: [Selection figure] None |