Abstract Adducts 4 of benzimidazoles and acyl chlorides were successfully used as electrophilic reagents in an intermolecular α-amidoalkylation reaction toward ketones for synthesis of 2-(2-oxoalkyl)-1,3-diacyl-2,3-dihydrobenzimidazoles 6 and oxidized with KMnO4 to 1,3-diacyl-2,3-dihydrobenzimidazol-2-ones 7.
摘要
苯并咪唑和酰
氯的加合物 4 成功用作亲电试剂,用于酮的分子间 α-酰胺烷基化反应合成 2-(2-氧代烷基)-1,3-二酰基-2,3-二氢
苯并咪唑 6 并用 KMnO4 氧化至 1,3-二酰基-2,3-二氢
苯并咪唑-2-酮 7.