A compound of formula (I)
wherein
R is methyl, ethyl, n-propyl, iso-propyl, n-butyl or allyl;
R′ is hydrogen, C1-C4 alkyl, C1-C3 alkoxy; halogen, trifluoromethyl or OCHxFy,
R″ is hydrogen, fluoro or chloro, that R″ being fluoro or chloro only when R′ is fluoro or chloro;
R3 is hydrogen or C1-C5 alkyl
R4 is hydrogen, CH2OCOC(CH3)3, pharmaceutically acceptable inorganic or organic cations, or COR4′ wherein R4′ is C1-C5 alkyl, phenyl, benzyl or phenethyl;
R7 is methyl or ethyl;
one of A and B is sulphur and the other is C-R2;
when A is S, R2 is selected from hydrogen and methyl, with the proviso that R2 is methyl only when R3 is not hydrogen; and
when B is S, R2 is hydrogen;
and any tautomer thereof.
A pharmaceutical composition comprising a compound of formula (I), a method of treating malignant tumours or diseases resulting from autoimmunity or pathologic inflammation.
化合物的式子为(I),其中R为甲基,乙基,正丙基,异丙基,正丁基或烯丙基;R′为氢,C1-C4烷基,C1-C3烷氧基,卤素,三
氟甲基或OCHxFy;R″为氢,
氟或
氯,当R′为
氟或
氯时,R″仅为
氟或
氯;R3为氢或C1-C5烷基;R4为氢,CH2OCOC(
CH3)3,药学上可接受的无机或有机阳离子,或COR4′,其中R4′为C1-C5烷基,苯基,苄基或苯乙基;R7为甲基或乙基;A和B中的一个为
硫,另一个为C-R2;当A为S时,R2从氢和甲基中选择,但R3不为氢时,R2仅为甲基;当B为S时,R2为氢;以及其任何互变异构体。一种包含化合物(I)的药物组合物,一种治疗恶性肿瘤或由自身免疫或病理性炎症引起的疾病的方法。