Novel tricyclic heterocyclic sulfonamide derivatives and sulfonic ester derivatives which have excellent antitumor activity and are represented by the following general formula (I) and processes for producing the same are provided. The present sulfonamide derivatives or a sulfonic ester derivatives are represented by the following general formula (I): ##STR1## wherein G represents an aromatic 5- or 6-membered ring; L represents 0 or --N(R.sup.1)-- and --R.sup.1 represents hydrogen or lower alkyl; and M represents a tricyclic structure selected from among the following; ##STR2## rings A and B each represent an unsaturated 5- or 5 -membered ring; X represents N(R.sup.2) wherein R.sup.2 represents hydrogen or lower alkyl, or NHCO; Y represents 0, S(O).sub.n, C(R.sup.3) (R.sup.4), C(O), N(R.sup.5), CH(R.sup.6)CH(R.sup.7), C(R.sup.8).dbd.C(R.sup.9), N(R.sup.10) C(O), N.dbd.CR.sup.11), OCH(R.sup.12), S(O).sub.n CH(R.sup.13) or N(R.sup.14)CH(R.sup.15); Z represents nitrogen or C(R.sup.16); and n represents 0, 1 or 2, R.sup.3 to R.sub.13, R.sup.15 and R.sup.16 each represent hydrogen or lower alkyl, and R.sup.14 represents hydrogen, lower alkyl or lower acyl.
本发明提供了一种具有优异抗肿瘤活性的新型
三环杂环磺酰胺衍
生物和
磺酸酯衍
生物,其由下列通式(I)所表示,并提供了制备它们的方法。所述磺酰胺衍
生物或
磺酸酯衍
生物由以下通式(I)表示:
##STR1##
其中,G表示芳香的5-或6-成员环;L表示0或--N(R.sup.1)--,--R.sup.1表示氢或低碳基;M表示从以下所选的
三环结构:
##STR2##
其中,环A和环B各自表示不饱和的5-或6-成员环;X表示N(R.sup.2),其中R.sup.2表示氢或低碳基,或者NHCO;Y表示0,S(O).sub.n,C(R.sup.3)(R.sup.4),C(O),N(R.sup.5),CH(R.sup.6)CH(R.sup.7),C(R.sup.8).dbd.C(R.sup.9),N(R.sup.10)C(O),N.dbd.CR.sup.11),OCH(R.sup.12),S(O).sub.nCH(R.sup.13)或N(R.sup.14)CH(R.sup.15);Z表示氮或C(R.sup.16);n表示0、1或2,R.sup.3至R.sub.13、R.sup.15和R.sup.16各自表示氢或低碳基,而R.sup.14表示氢、低碳基或低酰基。