申请人:British Technology Group Limited
公开号:US05461078A1
公开(公告)日:1995-10-24
Compounds of formula (I) ##STR1## in which R.sub.1 is CH.dbd.CHR, CH.dbd.NNHR, CH.dbd.N--A--N(O)R'R" or CH.sub.2 --NH--A--N(O)R'R" and R.sub.2 is separately selected from hydrogen, CH.dbd.CHR, CH.dbd.NNHR, CH.dbd.N--A--(O)R'R" and CH.sub.2 --NH--A--N(O)R'R", wherein A is a C.sub.2-4 alkylene group with a chain length between N or NH and N(O)R'R" of at least 2 carbon atoms, R is a thiazolyl or imidazolyl group in which the tertiary nitrogen atom is in N-oxide form, and R' and R" are each separately selected from C.sub.1-4 alkyl groups and C.sub.2-4 hydroxyalkyl and C.sub.3-4 dihydroxyalkyl groups in which the carbon atom attached to the nitrogen atom does not carry a hydroxy group and no carbon atom is substituted by two hydroxy groups, or R' and R" together are a C.sub.2-6 alkylene group which with the nitrogen atom to which R' and R" are attached forms a heterocyclic group having 3 to 7 atoms in the ring, and R.sub.3, R.sub.4, R.sub. 5 and R.sub.6 are each separately selected from hydrogen, hydroxy, halogeno, amino, C.sub.1-4 alkoxy and C.sub.2-8 alkanoyloxy, and physiologically acceptable salts thereof are of value in the treatment of cancer.
式(I)的化合物:##STR1## 其中R.sub.1是CH.dbd.CHR,CH.dbd.NNHR,CH.dbd.N--A--N(O)R'R"或CH.sub.2--NH--A--N(O)R'R",R.sub.2分别选自氢,CH.dbd.CHR,CH.dbd.NNHR,CH.dbd.N--A--(O)R'R"和CH.sub.2--NH--A--N(O)R'R",其中A是一种C.sub.2-4的烷基,其链长在N或NH和N(O)R'R"之间至少有2个碳原子,R是一种噻唑基或咪唑基,其中三级氮原子处于N-氧化物形式,R'和R"各自选自C.sub.1-4烷基和C.sub.2-4羟基烷基和C.sub.3-4双羟基烷基,其中与氮原子连接的碳原子不带有羟基,并且没有碳原子被两个羟基取代,或者R'和R"一起是C.sub.2-6烷基,与R'和R"连接的氮原子形成一个杂环基团,该基团在环中有3到7个原子,R.sub.3,R.sub.4,R.sub.5和R.sub.6分别选自氢,羟基,卤素,氨基,C.sub.1-4烷氧基和C.sub.2-8烷酰氧基,其生理上可接受的盐对癌症的治疗具有价值。