Novel substituted phenyl ethers, process for their preparation, and their use in the preparation of substituted phenols
申请人:SHELL INTERNATIONALE RESEARCH
MAATSCHAPPIJ B.V.
公开号:EP0188031A1
公开(公告)日:1986-07-23
Novel compounds of the general formula
in which X represents a hydrogen or a chlorine atom, and each of R', R', R3 and R4 independently represents a hydrogen atom or a methyl or ethyl group, are useful intermediates in the preparation of the corresponding phenols. They may be prepared by reacting a compound of the general formula
in which X has the meaning given above and Ha1 represents a chlorine or fluorine atom, with a compound of the general formula
in which R', R', R3 and R4 have the meanings given above, in the presence of a base.
通式中 X 代表氢原子或氯原子,R'、R'、R3 和 R4 分别独立地代表氢原子或甲基或乙基的新型化合物,是制备相应苯酚的有用中间体。 它们可以通过在碱存在下,使通式中 X 具有上述含义,Ha1 代表氯原子或氟原子的化合物与通式中 R'、R'、R3 和 R4 具有上述含义的化合物反应来制备。