FremgangsmÕte for fremstilling av brommetylbifenyl-derivater

申请公布号：: NO20002530(D0)
申请号：: NO20000002530
申请日期：: 2000.05.16
申请公布日期：: 2000.05.16
申请人：: SANOFI-SYNTHELABO
发明人：: BIARD, MICHEL;CASTRO, BERTRAND
分类号：: C07D257/04;C07C51/363;C07C63/331;C07C67/307;C07C69/76;C07C231/12;C07C233/64;C07C253/30;C07C255/50;(IPC1-7):C07C
主分类号：: C07D257/04
摘要：: <p>The present invention relates to a process for the preparation of 4'-bromomethyl-biphenyl derivatives of the formula:by reacting a 4'-methyl-biphenyl derivative of the formula:with a brominating agent a in a hydrobromic acid/alkali metal bromate system in a two-phase medium, and under photo-iradiation, where R is as defined in the specification.</p>