申请人:Razzetti Gabriele
公开号:US20060004202A1
公开(公告)日:2006-01-05
A process for the preparation of Imiquimod and novel hydroxylamino and hydrazine derivatives, useful as intermediates in its preparation. The process includes the reaction of 4-chloro-1-isobutyl-1H-imidazo[4,5-c]quinoline, of formula (I)
with a compound of formula (II)
NH
2
—X (II)
wherein X is an —OR or —NR
1
R
2
group, in which R is hydrogen, a C
1
-C
6
alkyl, aryl-C
1
-C
4
alkyl, aryl or —SO
3
H (sulfonic) group; and each of R
1
and R
2
is independently hydrogen, a C
1
-C
6
alkyl, aryl-C
1
-C
4
alkyl, aryl or —SO
2
R
3
group, in which R
3
is an aryl group and, if necessary, the reaction with a reducing agent.
一种制备依米奎莫德和新型羟胺基和肼衍生物的方法,其作为其制备中间体。该过程包括将具有化学式(I)的4-氯-1-异丁基-1H-咪唑[4,5-c]喹啉与具有化学式(II)NH2—X的化合物发生反应 (II),其中X是一个—OR或—NR1R2基团,其中R是氢、C1-C6烷基、芳基-C1-C4烷基、芳基或—SO3H(磺酸基)基团;R1和R2中的每一个独立地是氢、C1-C6烷基、芳基-C1-C4烷基、芳基或—SO2R3基团,其中R3是芳基群,必要时与还原剂反应。