Reaction of Ph3P=CH-COOEt with phthalic anhydride derivatives leads directly, or via the corresponding functional indenone, to 2-alkyl 2-ethoxy- carbonyl 1,3-indanediones according to an original process.
根据原始方法,Ph 3 P = CH-COOEt与
邻苯二甲酸酐衍
生物的反应直接或经由相应的官能
茚满酮反应,生成2-烷基2-乙氧基-羰基羰基
1,3-茚满二酮。