Substituted 3-phenyl-5-alkoxy-1,3,4-oxadiazol-2-ones, their preparation and their use as pharmaceuticals
申请人:Aventis Pharma Deutschland GmbH
公开号:US06369088B2
公开(公告)日:2002-04-09
Substituted 3-phenyl-5-alkoxy-1,3,4-oxadiazol-2-ones of the formula 1 are described,
in which R1 is substituted C1-C6-alkyl and C3-C9-cycloalkyl, R2, R3, R4 and R5 are hydrogen, halogen, nitro, C1-C4-alkyl, C1-C9-alkyloxy, substituted C6-C10-aryl-C1-C4-alkyloxy, C6-C10-aryloxy, C6-C10-aryl, C3-C8-cycloalkyl or O—C3—C8-cycloalkyl, or 2-oxopyrrolidin-1-yl, 2,5-dimethylpyrrol-1-yl or NR6-A-R7, with the proviso that R2, R3, R4 and R5 are not simultaneously hydrogen, and at least one of the radicals R2, R3, R4 or R5 is the radical 2-oxopyrrolidin-1-yl, 2,5-dimethylpyrrol-1-yl or NR6-A-R7, wherein R6=hydrogen, C1-C4-alkyl or substituted C6-C10-aryl-C1-C4-alkyl, A=a single bond, COn, SOn or CONH, n=1 or 2, R7=hydrogen, substituted C1-C18-alkyl, C2-C18-alkenyl, C6-C10-aryl-C1-C4-alkyl, C5-C8-cycloalkyl-C1-C4-alkyl, C5-C8-cycloalkyl, C6-C10-aryl-C2-C6-alkenyl, C6-C10-aryl, biphenylyl, biphenylyl-C1-C4-alkyl, indanyl, or the group Het-(CH2)r—, wherein r=0, 1, 2 or 3 and Het=a saturated or unsaturated 5-7-membered heterocycle, which may be optionally benzo-fused and optionally substituted, and proceses for their preparation. The compounds of formula 1 show an inhibitory effect on hormone-sensitive lipase, HSL.
公式1中描述了公式1的3-苯基-5-烷氧基-1,3,4-噁二唑-2-酮的替代物,
其中R1是取代的C1-C6-烷基和C3-C9-环烷基,R2、R3、R4和R5是氢、卤素、硝基、C1-C4-烷基、C1-C9-烷氧基、取代的C6-C10-芳基-C1-C4-烷氧基、C6-C10-氧代芳基、C6-C10-芳基、C3-C8-环烷基或O—C3—C8-环烷基,或2-氧代吡咯烷-1-基、2,5-二甲基吡咯烷-1-基或NR6-A-R7,但R2、R3、R4和R5不能同时为氢,且R2、R3、R4或R5中至少有一个基团是2-氧代吡咯烷-1-基、2,5-二甲基吡咯烷-1-基或NR6-A-R7基团,其中R6=氢、C1-C4-烷基或取代的C6-C10-芳基-C1-C4-烷基,A=单键、COn、SOn或CONH,n=1或2,R7=氢、取代的C1-C18-烷基、C2-C18-烯基、C6-C10-芳基-C1-C4-烷基、C5-C8-环烷基-C1-C4-烷基、C5-C8-环烷基、C6-C10-芳基-C2-C6-烯基、C6-C10-芳基、联苯基、联苯基-C1-C4-烷基、茚基或基团Het-(CH2)r—,其中r=0、1、2或3,Het=饱和或不饱和的5-7元杂环,可以选择地与苯融合并可以选择地取代,并且它们的制备方法。公式1的化合物对激素敏感性脂肪酶HSL具有抑制作用。