申请人:Hodges George Robert
公开号:US20110257410A1
公开(公告)日:2011-10-20
The present invention relates to methods of preparing compounds of formula (I) comprising the step of reacting the corresponding amide with the corresponding substituted aryl in the presence of a catalyst, which catalyst comprises copper and a ligand, Y is CHCHR
6
(R
7
) or C═C(A)Z, CY
2
(R
2
)Y
3
(R
3
), C═N—NR
4
(R
5
); Y
2
and Y
3
are, independently, O, S, N; A and Z are, independently, C
1-6
alkyl; R
1
is CF
3
or CF
2
H; R
2
and R
3
are, independently, C
1-8
alkyl, wherein R
2
and R
3
are optionally joined to form a 5-8 membered ring; R
4
and R
5
are, independently, C
1-8
alkyl; B is a single bond or a double bond; R
6
and R
7
are, independently, hydrogen or C
1-6
alkyl.
本发明涉及制备式(I)化合物的方法,其中包括在催化剂的存在下将相应的酰胺与相应的取代芳基反应,所述催化剂包括铜和配体,其中Y为CHCHR6(R7)或C═C(A)Z,CY2(R2)Y3(R3),C═N—NR4(R5);Y2和Y3分别为O、S、N;A和Z分别为C1-6烷基;R1为CF3或CF2H;R2和R3分别为C1-8烷基,其中R2和R3可选择性地连接形成5-8环;R4和R5分别为C1-8烷基;B为单键或双键;R6和R7分别为氢或C1-6烷基。