[EN] CYCLOPROPANATION OF SUBSTITUTED ALKENES<br/>[FR] CYCLOPROPANATION D'ALCÈNES SUBSTITUÉS
申请人:INT FLAVORS & FRAGRANCES INC
公开号:WO2017024126A1
公开(公告)日:2017-02-09
Disclosed is a cyclopropanation process comprising the step of reacting an alkene compound having at least one carbon-carbon double bond with at least one dihaloalkane. The reaction is carried out in the presence of (i) particulate metal Zn, (ii) catalytically effective amount of particulate metal Cu or a salt thereof, (iii) at least one haloalkylsilane, and (iv) at least one solvent.
公开了一种环丙烷化过程,包括将至少具有一个碳-碳双键的烯烃化合物与至少一种二卤代烷反应的步骤。反应在(i)粒状金属Zn,(ii)具有催化作用的粒状金属Cu或其盐,(iii)至少一种卤代烷基硅烷和(iv)至少一种溶剂的存在下进行。