申请人:Sankyo Company Limited
公开号:US04003901A1
公开(公告)日:1977-01-18
Nitrosourea derivatives represented by the formula ##STR1## wherein A represents a group of the formula B--Y-- in which B is an unsaturated 5- or 6-membered heterocyclic group which has the as hetero atom at least one nitrogen atom, an unsaturated 9-membered heterocyclic group which has as the hetero atom at least one nitrogen atom and a bicyclic fused ring or an unsaturated 10-membered heterocyclic group which has as the hetero atom at least one nitrogen atom and a bicyclic fused ring, the heterocyclic groups optionally having alkyl, alkoxy, hydroxyl, amino, hydroxyalkyl or halogen as ring substituent and Y represents a group of the formula --(CH.sub.2).sub.m -- in which m is an integer of 1 or 2, the group optionally having alkyl as a substituent; A group of the formula ##STR2## in which R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5, R.sup.6, R.sup.7, R.sup.8 and R.sup.9 may be the same or different and each represents a hydrogen atom or an alkyl group; or a group of the formula ##STR3## in which R's may be the same or different and each represents a halogen atom or an alkyl group, n is an integer of 0 to 3 inclusive and Z is an ethylene group which may be substituted with alkyl; and X represents a halogen atom and acid addition salts thereof. The Compounds of the present invention are prepared from the corresponding 2-halogeno-ethylurea derivatives by means of conventional nitrosation procedures and useful as an antileukemic drug for various types of leukemia.
氮杂脲衍生物的化学式表示为##STR1##其中A代表一个具有化学式B--Y--的基团,其中B是一个不饱和的5-或6-成员杂环基团,至少有一个氮原子作为杂原子,一个不饱和的9-成员杂环基团,至少有一个氮原子作为杂原子,并且一个具有至少一个氮原子和一个双环融合环的不饱和的10-成员杂环基团,这些杂环基团可选地具有烷基、烷氧基、羟基、氨基、羟基烷基或卤素作为环取代基,Y代表一个具有化学式--(CH.sub.2).sub.m --的基团,其中m是1或2的整数,该基团可选地具有烷基作为取代基;具有化学式##STR2##的基团,其中R.sup.1、R.sup.2、R.sup.3、R.sup.4、R.sup.5、R.sup.6、R.sup.7、R.sup.8和R.sup.9可能相同或不同,每个代表氢原子或烷基;或具有化学式##STR3##的基团,其中R可能相同或不同,每个代表卤素原子或烷基,n是0到3之间的整数,Z是一个乙烯基,可以用烷基取代;X代表一个卤素原子及其酸盐。本发明的化合物是通过常规的硝化程序从相应的2-卤代乙酰脲衍生物制备而成的,并且可用作各种类型的白血病的抗白血病药物。