Abstract The condensation products of 4-methoxyphenylhydrazine and 3,3-dimethylenedithio-5-oxyaldehydes undergo Fischer cyclization to the corresponding indoles. The carbonyl-protecting group can be removed from the latter with formation of (β-oxo)indol-3-yl ketones.
摘要 4-
甲氧基苯肼与3,3-
二甲基二硫-5-氧醛的缩合产物经Fischer环化反应生成相应的
吲哚。羰基保护基团可以从后者中去除,形成(β-氧代)
吲哚-3-基酮。