申请人:Ciba-Geigy Corporation
公开号:US04582841A1
公开(公告)日:1986-04-15
Compounds of the formula ##STR1## in which one of the symbols R.sub.1 and R.sub.2 represents an alkyl radical that has 3 or 4 carbon atoms and is unsaturated in the 2,3-position, and the other represents such a radical or lower alkyl, R.sub.3 and R.sub.4 each represents, independently of the other, hydrogen or methyl, and A represents a radical of the formula ##STR2## in which Z.sub.1, or each of Z.sub.2 and Z.sub.3 independently of the other, represents hydrogen or lower alkyl, or Z.sub.2 and Z.sub.3 together represent lower alkylene, each of R.sub.5 and R.sub.6, independently of the other, represents hydrogen, lower alkyl, halogenated lower alkyl, or lower alkenyl or R.sub.5 and R.sub.6 together represent lower alkylene that is optionally interrupted by oxygen, sulphur or by optionally substituted nitrogen, and X represents OR.sub.7 or NR.sub.8 R.sub.9 in which R.sub.7 represents hydrogen or lower alkyl and each of R.sub.8 and R.sub.9, independently of the other, represents hydrogen, lower alkyl, halogenated lower alkyl, or lower alkenyl or R.sub.8 and R.sub.9 together represent lower alkylene that is optionally interrupted by oxygen, sulphur or by optionally substituted nitrogen, or R.sub.6 together with R.sub.7 or R.sub.8 represents a lower alkylene group Alk, and salts of such compounds in which Z.sub.1, or Z.sub.3 and optionally also Z.sub.2, or R.sub.7 represent(s) hydrogen, exhibit tumor-inhibiting activities.
式为##STR1##的化合物,其中R.sub.1和R.sub.2中的一个代表具有3或4个碳原子且在2,3位不饱和的烷基基团,另一个代表这样的基团或更低的烷基,R.sub.3和R.sub.4分别独立地代表氢或甲基,A代表式##STR2##的基团,在该式中,Z.sub.1或Z.sub.2和Z.sub.3中的每一个独立地代表氢或更低的烷基,或Z.sub.2和Z.sub.3一起代表更低的烷基,R.sub.5和R.sub.6中的每一个独立地代表氢,更低的烷基,卤代更低的烷基或更低的烯基,或R.sub.5和R.sub.6一起代表可以由氧、硫或者可选取代的氮中断的更低的烷基,X代表OR.sub.7或NR.sub.8R.sub.9,在该式中,R.sub.7代表氢或更低的烷基,R.sub.8和R.sub.9中的每一个独立地代表氢、更低的烷基、卤代更低的烷基或更低的烯基,或R.sub.8和R.sub.9一起代表可以由氧、硫或者可选取代的氮中断的更低的烷基,或R.sub.6与R.sub.7或R.sub.8一起代表更低的烷基Alk,以及这种化合物的盐,其中Z.sub.1或Z.sub.3并且可选取Z.sub.2或R.sub.7代表氢,表现出抑制肿瘤的活性。