申请人:AGENCY FOR SCIENCE, TECHNOLOGY AND RESEARCH
公开号:US20160207034A1
公开(公告)日:2016-07-21
The invention provides compounds of general structure I: (Ar
1
—Ar
2
—Ar
3
-E-P(=D)R
2
-)
n
M
m
X
n
L
n
″. In this structure: •Ar
1
, Ar
2
and Ar
3
are aromatic groups wherein: —Ar
1
and Ar
3
are in a 1,3 relationship on Ar
2
, —each of Ar
1
, Ar
2
and Ar
3
optionally comprises one or more ring substituents of formula YR′
r
wherein each Y independently is absent or is O, S, B, N or Si and each R′ is independently H, halogen, alkyl, cycloalkyl, aryl or heteroaryl and r is 1, 2 or 3, where r is 1 if Y is absent or is O or S, 2 if Y is B or N and 3 if Y is Si, —Ar
1
, Ar
2
and Ar
3
are each independently carbocyclic or heterocyclic and each is independently monocyclic, bicyclic or polycyclic and each ring of each of Ar
1
, Ar
2
and Ar
3
independently has 5, 6 or 7 ring atoms; •E is absent or is selected from the group consisting of O, S, NR″, SiR″
2
, AsR″
2
and CR″
2
; •M is a complexing metal; •X is selected from the group consisting of H, F, Br, CI, I, OTf, dba (dibenzylidene acetone), OC(═O)CF
3
and OAc; •L is selected from the group consisting of PR″
2
, NR″
2
, OR″, SR″, SiR″
3
, AsR″
3
, alkene, alkyne, aryl and heteroaryl, each of said alkene, alkyne, aryl and heteroaryl being optionally substituted, for example with one or more halogens and/or with one or more R groups as defined herein; •each R is independently alkyl, cycloalkyl, heterocyclyl, heterocycloalkyl, aryl or -, heteroaryl; •D is absent or is ═S or —O or —Z-linker-Z—, where each Z independently is O or NH or N-alkyl and linker is an alkyl chain of 2-5 carbon atoms in length; •each R″ is independently H, alkyl, cycloalkyl, heterocycloalkyl, aryl or heteroaryl, each other than H being optionally substituted, or R″
2
is —Z-linker-Z— as defined above; and •m is 0 or 1 or 2; wherein if m is 0, n is 1, n′ and n″ are 0 and -- is absent; and if m is 1 or 2, n is 1 or 2 and n′ and n″ are integers such that the coordination sphere of M is filled, and D is absent.
该发明提供了一般结构I的化合物:(Ar1—Ar2—Ar3-E-P(=D)R2-)nMmXnLn″。在这个结构中: •Ar1,Ar2和Ar3是芳香族基团,其中:—Ar1和Ar3在Ar2上呈1,3关系,—Ar1,Ar2和Ar3中的每一个可选地包括一个或多个环取代基,其化学式为YR′r,其中每个Y独立地不存在或为O、S、B、N或Si,每个R′独立地为H、卤素、烷基、环烷基、芳基或杂芳基,r为1、2或3,其中如果Y不存在或为O或S,则r为1,如果Y为B或N,则r为2,如果Y为Si,则r为3,—Ar1,Ar2和Ar3分别独立地为碳环或杂环,每个分别独立地为单环、双环或多环,每个Ar1,Ar2和Ar3的每个环独立地具有5、6或7个环原子; •E不存在或从O、S、NR″、SiR″2、AsR″2和CR″2组成的群体中选择; •M是络合金属; •X从H、F、Br、Cl、I、OTf、dba(双苯亚乙酮)、OC(═O)CF3和OAc组成的群体中选择; •L从PR″2、NR″2、OR″、SR″、SiR″3、AsR″3、烯烃、炔烃、芳基和杂芳基组成的群体中选择,所述的每个烯烃、炔烃、芳基和杂芳基可选地被取代,例如用一个或多个卤素和/或如本文所定义的一个或多个R基取代; •每个R独立地为烷基、环烷基、杂环烷基、杂环烷基、芳基或-、杂芳基; •D不存在或为═S或—O或—Z-连接-Z—,其中每个Z独立地为O或NH或N-烷基,连接体为长度为2-5个碳原子的烷基链; •每个R″独立地为H、烷基、环烷基、杂环烷基、芳基或杂芳基,除H外的每个均可选地被取代,或R″2为—Z-连接-Z—如上所定义;和 •m为0或1或2;其中如果m为0,n为1,n′和n″为0且--不存在;如果m为1或2,n为1或2,n′和n″为整数,使得M的配位球填满,并且D不存在。