申请人:International Flavors & Fragrances Inc.
公开号:US20190177247A1
公开(公告)日:2019-06-13
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。在(i)颗粒状金属锌,(ii)颗粒状金属铜或其盐的催化剂有效量,(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反应。