Process for producing 4-(pyridyl-2-oxy)-phenoxyalkanecarboxylic acid or
申请人:Ishihara Sangyo Kaisha Ltd.
公开号:US04267336A1
公开(公告)日:1981-05-12
4-(Pyridyl-2-oxy)phenoxyalkanecarboxylic acid derivative is produced by reacting 2-phenoxypyridine derivative with 4-hydroxyphenoxyalkanecarboxylic acid derivative. The products which are effective as an active ingredient of a herbicide can be obtained at high yield by an interphenoxylation.