申请人:Li Chao-Jun
公开号:US20090247757A1
公开(公告)日:2009-10-01
Novel chemical agents are described herein. More a ligand of general Formula I:
wherein R
1
, R
2
, R
3
and R
4
, are independently selected from the group consisting of hydrogen, halogen, hydroxy, C
1
-C
10
alkyl, C
2
-C
10
alkenyl, C
2
-C
10
alkynyl, C
1
-C
10
alkoxy, C
1
-C
10
alkylthio, C(O)R
5
, C(O)OR
5
, C(O)NHR
5
, Si(R
5
)
3
, benzyl and aryl; X is selected from the group consisting of Cl, Br, I, OR
6
, O-Prot, OPR
6
, P(R
6
)
2
, NHR
6
, N(R
6
)
2
, NHCSNHR
6
, NHCONHR
6
and SR
6
; and R
5
and R
6
are independently selected from the group consisting of hydrogen, C
1-10
alkyl, C
2-10
alkenyl, C
2-10
alkynyl, C
1-10
alkoxy, phenyl, and aryl. These ligands are useful in asymmetric reactions as well as in asymmetric synthesis of molecules of biological interest.
本文描述了一种新型化学试剂。更多地是一种一般化学式I的配体:其中R1、R2、R3和R4分别选自氢、卤素、羟基、C1-C10烷基、C2-C10烯基、C2-C10炔基、C1-C10烷氧基、C1-C10烷硫基、C(O)R5、C(O)OR5、C(O)NHR5、Si(R5)3、苄基和芳基;X选自Cl、Br、I、OR6、O-Prot、OPR6、P(R6)2、NHR6、N(R6)2、NHCSNHR6、NHCONHR6和SR6;R5和R6分别选自氢、C1-10烷基、C2-10烯基、C2-10炔基、C1-10烷氧基、苯基和芳基。这些配体在不对称反应以及生物感兴趣分子的不对称合成中是有用的。