N-SUBSTITUTED PYRAZOLO [3,4-D] PYRIMIDINE KETONE COMPOUND, AND PREPARATION PROCESS AND USE THEREOF
申请人:SUN YAT-SEN UNIVERSITY
公开号:US20150218168A1
公开(公告)日:2015-08-06
Disclosed are an N-substituted pyrazolo[3,4-d]pyrimidine ketone compound of formula (I), and a preparation process and use thereof as a phosphodiesterase IX (PDEIX) inhibitor:
wherein
R′ is selected from isopropyl, cyclopentyl, cyclohexyl, isobutyl, and o-chlorophenyl;
when R″═CH
3
, R represents benzyl; and
when R″═H, R is selected from 3-methylpyridine, 1-phenylethyl, 1-(4-chlorophenyl)ethyl,
D- or L-configured CHCH
3
CONHR′″, D- or L-configured CH
2
CONHR′″, D- or L-configured CH
2
CH
2
CONHR′″; wherein R
1
is selected from hydrogen, chlorine, methoxy, methyl, trifluoromethyl, dimethoxy, methylenedioxy, and dichlorine, and R
2
is selected from hydrogen, methoxy, ethoxy, isopropoxy, methyl, dimethoxy, and 2-methyl-4-methoxy, and wherein R′″ is p-methoxyphenyl.
本发明公开了一种式为(I)的N-取代
吡唑并[3,4-d]
嘧啶酮化合物,以及其作为
磷酸二酯酶IX(PDEIX)
抑制剂的制备方法和用途:
其中,
当R″ =
CH3时,R代表苄基;
当R″ = H时,R选自3-
甲基吡啶,1-苯乙基,1-(4-
氯苯基)乙基,D-或L-构型的CH CONHR′″,D-或L-构型的CH2CONHR′″,D-或L-构型的CH2CH2CONHR′″;
其中R′选自异丙基,环戊基,环己基,异丁基和o-
氯苯基;
其中R1选自氢,
氯,甲氧基,甲基,三
氟甲基,二甲氧基,甲亚氧基和二
氯,R2选自氢,甲氧基,乙氧基,异丙氧基,甲基,二甲氧基和2-甲基-4-甲氧基,其中R′″为对
甲氧基苯基。