Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1992-01-22
1994-03-22
Page, Thurman K.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
C07D47104
Patent
active
052966003
ABSTRACT:
A compound of the formula ##STR1## wherein the ring A pyrrole or pyrroline ring, X is an amino group or a hydroxyl group, Y is a hydrogen atom, an amino group or a hydroxyl group, R is a hydrogen atom, a fluorine atom, an alkyl group, an alkenyl group or an alkynyl group, --COOR.sup.1 and --COOR.sup.2 are independently carboxyl groups which may be esterified and n is an integer of 2 to 4, and R may be different in each of the n repeating units, and salts thereof have excellent antitumor effects, and can be used as antitumor agents in mammals.
REFERENCES:
patent: 5106974 (1992-04-01), Akimoto et al.
Akimoto Hiroshi
Hitaka Takenori
Miwa Tetsuo
Page Thurman K.
Takeda Chemical Industries Ltd.
Venkat Jyothsna
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