申请人:Whitten P. Jeffrey
公开号:US20060063761A1
公开(公告)日:2006-03-23
The present invention relates to methods of preparing compounds having formula (1), (2), (5), and ((6A)-(6D))
comprising contacting the corresponding ester, an amine with formula NHR
1
R
2
, and a Lewis acid having formula ML
n
, wherein L is a halogen atom or an organic radical, n is 3-5, and M is a group III elemental atom, a group IV elemental atom, As, Sb, V or Fe,
wherein A, B, V, X, Z, W, R
1
, R
2
, R
5
, Z
1
, Z
2
, Z
3
, Z
4
, Z
5
, Z
6
, Z
7
, and Z
8
are substituents.
Z
4
, Z
5
, Z
6
, Z
7
, and Z
8
are substituents.
本发明涉及制备具有式(1)、(2)、(5)和((6A)-(6D))的化合物的方法,包括接触相应的酯、具有式NHR1R2的胺和具有式MLn的Lewis酸,其中L是卤素原子或有机基团,n为3-5,M为III族元素原子、IV族元素原子、As、Sb、V或Fe,其中A、B、V、X、Z、W、R1、R2、R5、Z1、Z2、Z3、Z4、Z5、Z6、Z7和Z8为取代基。Z4、Z5、Z6、Z7和Z8为取代基。