Method for Producing Asymmetric Conjugated Diyne Compound and Method for Producing Z,Z-Conjugated Diene Compound Using the Same
申请人:Shin-Etsu Chemical Co., Ltd.
公开号:US20160229829A1
公开(公告)日:2016-08-11
Provided are a method for efficiently producing an asymmetric conjugated diyne from an inexpensive and safe alternative compound to hydroxylamine hydrochloride and a method for producing a Z,Z-conjugated diene compound from the asymmetric conjugated diyne compound thus obtained. More specifically, provided is a method for producing an asymmetric conjugated diyne compound comprising a step of subjecting a terminal alkyne compound (1): HC≡C—Z
1
—Y
1
to a coupling reaction with an alkynyl halide (2) Y
2
—Z
2
—C≡C—X by using sodium borohydride in water and an organic solvent in the presence of a copper catalyst and a base to obtain the asymmetric conjugated diyne compound (3): Y
2
—Z
2
—C≡C—C≡C—Z
1
—Y
1
. In addition, provided is a method for producing a Z,Z-conjugated diene compound by reducing the resulting asymmetric conjugated diyne compound, or the like.
提供了一种从廉价且安全的替代化合物制备不对称共轭二炔的方法,而不是羟胺盐酸盐,并且提供了一种从所得的不对称共轭二炔化合物制备Z,Z-共轭二烯化合物的方法。更具体地,提供了一种制备不对称共轭二炔化合物的方法,包括以下步骤:将末端炔基化合物(1):HC≡C—Z1—Y1与炔基卤化物(2)Y2—Z2—C≡C—X在水和有机溶剂中使用硼氢化钠、铜催化剂和碱的情况下进行偶联反应,以获得不对称共轭二炔化合物(3):Y2—Z2—C≡C—C≡C—Z1—Y1。此外,还提供了通过还原所得的不对称共轭二炔化合物等来制备Z,Z-共轭二烯化合物的方法。