An interesting application of photocyclisation in aporhoeadane alkaloid synthesis
作者:S.V. Kessar、Tejvir Singh、Rahul Vohra
DOI:10.1016/s0040-4039(00)96720-0
日期:1987.1
Reaction of 2-carboethoxybenzoyl chloride with 3,4-dihydro- 6,7-dimethoxyisoquinoline afforded a ring open aldehydic phthalimide(3) which an thioacetal formation and photocyclisation followed by deketalisation gave 8,14-diaxo-13-hydroxyaporhoeadane (8).