TRICYCLIC FUSED HETEROCYCLE COMPOUNDS, PROCESS FOR PREPARING THE SAME AND USE THEREOF
摘要:
公开号:
EP1182200B1
作为产物:
描述:
2-[2-Chloro-6-(3,5-dimethoxyphenoxy)phenyl]acetic acid 在
polyphosphoric acid (10 ml phosphoric acid and 7 g phosphorus pentoxide were having been heated at 150 C) 作用下,
以
甲苯 为溶剂,
反应 1.5h,
以85%的产率得到7-chloro-2,4-dimethoxy-6H-benzo[b][1]benzoxepin-5-one
参考文献:
名称:
TRICYCLIC FUSED HETEROCYCLE COMPOUNDS, PROCESS FOR PREPARING THE SAME AND USE THEREOF