Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1977-10-11
1979-11-13
Coughlan, Jr., Paul M.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
2603478, C07D40504
Patent
active
041744462
ABSTRACT:
The present invention relates to a new process for the preparation of N.sup.1 -(2'-furanidyl)-5-fluoro-uracil, also called Ftorafur, which is a very important anti-cancer compound. Said process comprises reacting 2,3-dihydrofuran with water in the presence of a catalytic amount of an acidic catalyst at a pH below 2.5, removing excess of unreacted starting materials and reacting the mixture obtained with silylated-5-fluoro-uracil is in the presence of a Friedel Crafts type catalyst uracil in an inert organic solvent. The new process has many advantages in comparison with those used so far.
REFERENCES:
patent: 3912734 (1975-10-01), Giller et al.
Michael Uri
Sasson Zabar
Schonberger Eva
Abic Ltd.
Coughlan, Jr. Paul M.
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