C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/255, 260/245
C07D 239/22 (2006.01) C07C 273/18 (2006.01) C07D 239/553 (2006.01) C07D 239/557 (2006.01) C07F 7/18 (2006.01) C07C 275/20 (2006.01) C07C 275/50 (2006.01)
Patent
CA 1081226
Abstract of the disclosure New derivatives of the formula: Image (wherein X is O or NH; R1 is -OH or -SH which may optionally be etherified or esterified, or -NH2 which may optionally be substituted; R2 and R3, respectively, mean H, lower alkyl or Image ; and Y is an esterified or amidated carboxyl group, or CN). These derivatives are produced, by fluorination of corresponding 1,2,3,4- tetrahydro-2,4-dioxopyrimidine compounds and can be converted into 5-fluorouracil derivatives under hydrolytic conditions The new derivatives are able to prolong the lives of animals having carcinomas or have antiviral activity.
274676
Hashimoto Naoto
Matsumura Koichi
Miyashita Osamu
Shimadzu Hiroshi
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