申请人:——
公开号:US20040116462A1
公开(公告)日:2004-06-17
This invention relates to indolizine compounds having formula
1
in which R
1
is H, lower alkyl, lower alkoxy, OH, F, Cl, Br, I, NO
2
, or CN; R
2
is alkyl optionally substituted with lower alkoxy, OH, CN, F, Cl, Br, I, NO
2
, NH
2
, C(O)NH
2
, CO
2
H, or CO
2
R′; or aryl optionally substituted with lower alkyl, lower alkoxy, OH, CN, F, Cl, Br, I, NO
2
, NH
2
, or C(O)NH
2
, CO
2
H, or CO
2
R′; R
3
is H or lower alkyl; R
4
is N-oxy pyridyl or pyridyl optionally substituted with F, Cl, Br, or I; and X is C(R′R″), N(R′), O, S, S(O), S(O)
2
, C(O), C(O)—N(R′), N(R′)—C(O), or deleted. Each of R′ and R″, independently, is H, or alkyl optionally substituted with lower alkoxy, OH, CN, F, Cl, Br, I, NO
2
, NH
2
, or C(O)NH
2
.
本发明涉及具有以下公式的吲哚嗪化合物1:
其中,R1为H,较低的烷基,较低的烷氧基,OH,F,Cl,Br,I,NO2或CN;R2为烷基,可选地用较低的烷氧基,OH,CN,F,Cl,Br,I,NO2,NH2,C(O)NH2,CO2H或CO2R′取代;或芳基,可选地用较低的烷基,较低的烷氧基,OH,CN,F,Cl,Br,I,NO2,NH2或C(O)NH2,CO2H或CO2R′取代;R3为H或较低的烷基;R4为N-氧基吡啶基或吡啶基,可选地用F,Cl,Br或I取代;X为C(R′R″),N(R′),O,S,S(O),S(O)2,C(O),C(O)-N(R′),N(R′)-C(O)或删除。R′和R″各自独立地为H,或烷基,可选地用较低的烷氧基,OH,CN,F,Cl,Br,I,NO2,NH2或C(O)NH2取代。