Synthesis and herbicidal activity of new benzenesulfonylurea derivatives possessing ${\alpha}$-diketone or ${\alpha}$-keto ester moiety

${\alpha}$-Diketone 또는 ${\alpha}$-keto ester기를 포함하는 신규 벤젠술포닐우레아 유도체의 합성 및 제초활성

A series of new benzenesuIfonylurea derivatives possessing ${\alpha}$-diketone or ${\alpha}$-keto ester moiety as an ortho substituent were synthesized by employing new methodology starting from 2-bromophenyl methoxymethyl sulfide and some of them were found to have good herbicidal activity at foliar application.

Ortho치환체로서 ${\alpha}$-diketone 또는 ${\alpha}$-keto ester기를 포함하는 신규한 벤젠 술포닐우레아 유도체들을 2-homophenyl metholernethyl sulfide를 출발물질로 하는 새로운 합성방법을 이용하여 합성하였으며, 이 화합물들은 특히 경엽처리에서 흥미있는 제초활성을 나타내었다.