The reaction of the isocoumarin derivative
1-acetylimino-3-methyl-1H-2-benzopyran-4-carbonitrile
(1a) with aromatic ortho diamines provides entry to the
benzimidazo[2,1-a]isoquinoline and related
systems. Various conversions of the methyl and cyano groups in the tetracycles
into amide, aldehyde and acid functions have been carried out, along with
studies of electrophilic nitration.
异香豆素衍生物的反应
1-乙酰亚氨基-3-甲基-1H-2-苯并吡喃-4-甲腈
(1a)与芳香族正二元胺反应,可生成
苯并咪唑并[2,1-a]异喹啉和相关的
系统。四环化合物中的甲基和氰基通过各种转换
中的甲基和氰基转化为酰胺、醛和酸功能,并进行了亲电硝化研究。
亲电硝化的研究。