申请人:STUDIENGESELLSCHAFT KOHLE MBH
公开号:US20140051870A1
公开(公告)日:2014-02-20
Phosphenium compounds with the general formula I:
in which
R
1
, R
2
, R
3
and R
4
are identical or different and represent a linear or branched C
1
-C
6
-alkyl radical, which can optionally be substituted, or R
1
and R
2
and/or R
3
and R
4
are bonded to one another with the formation of a ring,
R
5
and R
6
stand for a saturated or unsaturated and linear or branched alkyl group, alkenyl group or aryl group, which can have suitable substituents, even heteroatoms as substituents, or a heteroatom-comprising hydrocarbon group, which can have suitable substituents, and the R
5
and R
6
radicals can form a ring which can be 4- to 20-membered, saturated or unsaturated and alicyclic or heteroalicyclic and can exhibit suitable substituents, X
−
represents an anion,
a process for the preparation thereof, and also the use of these compounds in metal complexes which can be used as catalysts in organic synthesis, are claimed.
磷光合物的一般化学式为I:
其中
R
1
,R
2
,R
3
和R
4
相同或不同,代表线性或支链的C
1
-C
6
烷基基团,可以选择性地被取代,或者R
1
和R
2
和/或R
3
和R
4
彼此相互连接形成环,
R
5
和R
6
代表饱和或不饱和、线性或支链的烷基基团、烯基基团或芳基基团,可以具有适当的取代基,甚至可以作为取代基的杂原子,或者是含有杂原子的碳氢基团,可以具有适当的取代基,R
5
和R
6
基团可以形成一个可以是4-到20-成员的环,饱和或不饱和、脂环或杂原脂环,并且可以具有适当的取代基,X
−
代表阴离子,
一种制备这些化合物的方法,以及这些化合物在金属配合物中的使用,这些金属配合物可以作为有机合成中的催化剂。