NOVEL SUPPORTED PHOSPHAZENE CATALYSTS, NOVEL COMPOUNDS FOR THE CATALYSTS, AND USE THEREOF
申请人:Mitsui Chemicals Polyurethanes, Inc.
公开号:EP1775301A1
公开(公告)日:2007-04-18
There is provided a phosphazene-supported catalyst in which a support is bonded to a group represented by the general formula (1):
(wherein n is an integer of 1 to 8 and represents the number of phosphazenium cations, and Zn- is an anion of an active hydrogen compound in a form derived by releasing n protons from an active hydrogen compound having a maximum of 8 active hydrogen atoms. a, b, c and d are each a positive integer of 3 or less. R's represent the same or different hydrocarbon groups having 1 to 10 carbon atoms and two R's located on each common nitrogen atom may be bonded to each other to form a ring structure. R1 is a hydrogen atom or a hydrocarbon group having 1 to 10 carbon atoms. D is a direct bond or a divalent group capable of bonding N to a support.). The phosphazene-supported catalyst according to the present invention is highly effective to proceed various organic reactions, and further has no reduction of activity even after recovery and reuse of the catalyst, thus it being economically advantageous. Further, according to the method of the invention, polymerization of cyclic monomers, substitution of substituents, carbon-carbon bond forming reactions and the like can be conducted with extremely high efficiency.
本发明提供了一种磷杂蒽支持的催化剂,其中支持物与通式(1)所代表的基团键合:
(其中 n 为 1 至 8 的整数,代表磷砷阳离子的数目,Zn- 为活性氢化合物的阴离子,其形式为从最多具有 8 个活性氢原子的活性氢化合物中释放出 n 个质子而得到。a、b、c 和 d 各为 3 或更小的正整数。R 代表具有 1 至 10 个碳原子的相同或不同的烃基,位于每个公共氮原子上的两个 R 可相互键合以形成环状结构。R1 是氢原子或具有 1 至 10 个碳原子的烃基。D 是直接键或能将 N 键合到支持物上的二价基团)。根据本发明的磷烯支撑催化剂对进行各种有机反应非常有效,而且即使在回收和重复使用催化剂后活性也不会降低,因此具有经济优势。此外,根据本发明的方法,可以极其高效地进行环状单体的聚合、取代基的取代、碳-碳键形成反应等。