申请人:Chen Chin-Ti
公开号:US20060041120A1
公开(公告)日:2006-02-23
This invention relates to a method of preparing a compound of formula (I):
The method includes reacting one or more compounds of formula (II):
in the presence of a base and a halogenating agent. In formulas (I) and (II) above, each A, independently, is aryl or heteroaryl; each n, independently, is 0-3; and each R
1
, independently, is C
1
-C
10
alkyl, C
3
-C
20
cycloalkyl, C
3
-C
20
heterocycloalkyl, aryl, heteroaryl, halo, cyano, nitro, OR
a
, NR
a
R
b
, SiR
a
R
b
R
c
, COOR
a
, OC(O)R
a
, C(O)NR
a
R
b
, N(R
a
)—C(O)R
b
, or SO
3
R
a
; wherein each of R
a
, R
b
, and R
c
, independently, is H, C
1
-C
10
alkyl, C
3
-C
20
cycloalkyl, C
3
-C
20
heterocycloalkyl, aryl, or heteroaryl; thereby producing the compound of formula (I) in a one-pot reaction. This invention also relates to the compounds prepared by the method described above.
本发明涉及一种制备式(I)化合物的方法:该方法包括在碱和卤化试剂存在下反应式(II)的一个或多个化合物。在上述式(I)和(II)中,每个A独立地为芳基或杂环芳基;每个n独立地为0-3;每个R1独立地为C1-C10烷基,C3-C20环烷基,C3-C20杂环烷基,芳基,杂环芳基,卤素,氰基,硝基,ORa,NRaRb,SiRaRbRc,COORa,OC(O)Ra,C(O)NRaRb,N(Ra)—C(O)Rb或SO3Ra;其中每个Ra、Rb和Rc独立地为H、C1-C10烷基、C3-C20环烷基、C3-C20杂环烷基、芳基或杂环芳基;从而在一锅反应中产生式(I)化合物。本发明还涉及上述方法制备的化合物。