N-Phthalidyl-5-fluorouracils
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United States of America Patent
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Jul 9, 1985
Grant Date -
N/A
app pub date -
May 21, 1982
filing date -
Oct 9, 1980
priority date (Note) -
Expired
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Abstract
The present invention relates to novel N-phthalidyl-5-fluorouracil derivatives represented by the general formula ##STR1## wherein one of R.sub.1 and R.sub.2 represents phthalidyl group ##STR2## (wherein R.sub.3 is a hydrogen atom, a halogen atom or a group selected from alkoxyl groups or alkyl groups) and the other represents a hydrogen atom, an acyl group or a cyclic ether group; ##STR3## (wherein n is 1 or 2) or R.sub.1 and R.sub.2 represent the same phthalidyl group; ##STR4## (wherein R.sub.3 has the same meaning as that defined above) and provides a compound which has antitumor activity and less toxicity and can be used as a cancerocidal agent.
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