申请人:Ebetino Hallock Frank
公开号:US20050010031A1
公开(公告)日:2005-01-13
The present invention relates to compounds which comprise a nitrogen-containing ring scaffold substituted by an R
1
alkyl units selected from the group consisting of C
1
-C
12
linear or branched alkyl, C
3
-C
8
cyclic alkyl, C
2
-C
12
linear or branched alkenyl, or haloalkyl, for example, the 2-keto-3-alkylpiperazines having the formula:
wherein R is selected from the group consisting of phenyl, 3-fluorophenyl, 4-fluorophenyl, 3,5-difluorophenyl, and 4-chlorophenyl; R
1
is selected from the group consisting of methyl, ethyl, propyl, isopropyl, butyl, isobutyl, sec-butyl, tert-butyl, cyclopropyl, cyclopropylmethyl, cyclopentyl, cyclopentylmethyl, cyclohexyl, cyclohexylmethyl, benzyl, allyl, 1-methylallyl, 2-methylallyl, but-2-enyl, and propargyll; R
7a
is selected from the group consisting of hydrogen, —CO
2
H, —CONH
2
, —CONHCH
3
, and —CON(CH
3
)
2
; R
8
is benzyl, substituted benzyl, or naphthalen-2-ylmethyl.
本发明涉及一种化合物,其包括一个含氮环骨架,该骨架被选自C1-C12直链或支链烷基,C3-C8环烷基,C2-C12直链或支链烯基或卤代烷基的R1烷基单元取代,例如,具有以下式子的2-酮基-3-烷基哌嗪:
其中R选自苯基,3-氟苯基,4-氟苯基,3,5-二氟苯基和4-氯苯基的群;R1选自甲基,乙基,丙基,异丙基,丁基,异丁基,叔丁基,环丙基,环丙基甲基,环戊基,环戊基甲基,环己基,环己基甲基,苄基,烯丙基,1-甲基烯丙基,2-甲基烯丙基,丁-2-烯基和丙炔基的群;R7a选自氢,-CO2H,-CONH2,-CONHCH3和-CON(CH3)2的群;R8为苄基,取代苄基或萘-2-基甲基。