An industrially useful process for producing benzofuran derivatives of formula (1)
by formylating a compound of formula (2)
(where A1 is a protective group), followed by reaction with a compound of formula (4)
(where X1 is a halogen atom), then performing a cyclizing reaction and subsequently performing a reaction for hydroxyl group deprotection.
一种生产式(1)
苯并呋喃衍
生物的工业实用工艺
将式(2)化合物(其中 A1 为保护基)甲酰化,然后与式(4)化合物反应
(其中 A1 为保护基),然后与式 (4) 的化合物(其中 X1 为卤原子)反应,再进行环化反应
(其中 X1 为卤原子)反应,然后进行环化反应,随后进行羟基脱保护反应。