香豆素的固相光敏化二聚反应

摘要

Solid-state photodimerization reaction of coumarin （1） high regio-selectively afforded anti headhead dimers （2） with benzophenone as a photosensitizer by [ 2 ＋ 2 ] cycloaddition across the C3-C4 double bond in 1. The reaction has several advantages such as mild reaction conditions, simple operation and environmental friendliness.%以二苯酮为光敏化剂,香兰素（1）的固相光二聚反应穿过1的C3-C4双键高区位选择性地[2＋2]环加成获得anti头-头二聚体（2）.该反应具有反应条件温和、操作简单、对环境友好的优点.