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.
式(I)的化合物,其中R是甲基、乙基、正丙基、异丙基、正丁基或烯丙基;R´是氢、C1-C4烷基、C1-C3烷氧基、卤素、三
氟甲基或OCHxFy;R´´是氢、
氟或
氯,当R´是
氟或
氯时,R´´仅为
氟或
氯;R3是氢或C1-C5烷基,R4是氢、CH2OCOC(
CH3)3、药学上可接受的无机或有机阳离子,或COR4´,其中R4´是C1-C5烷基、苯基、苄基或苯乙基;R7是甲基或乙基;A和B中的一个是
硫,另一个是C-R2;当A为S时,R2从氢和甲基中选择,但R2仅当R3不是氢时为甲基;当B为S时,R2为氢;及其任何互变异构体。包括式(I)的化合物的药物组合物,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。