Synthesis of naturally occuring 6-prenylcoumarins 1a, b, 2c, and 3b and their derivatives 6a–c is described, starting from 2-prenyloxybenzaldehydes 4a–c, using a tandem Claisen rearrangement and Wittig reaction.
本文介绍了以 2-异
戊氧基苯甲醛 4a-c 为起点,通过串联克莱森重排和维蒂希反应合成天然 6-异戊基
香豆素 1a、b、2c 和 3b 及其衍
生物 6a-c。