Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1986-03-21
1988-04-05
Rizzo, Nicholas
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
544276, C07D47340, A61K 3152
Patent
active
047360291
ABSTRACT:
A process for the preparation of the compound of formula (I): ##STR1## which process comprises reacting the compound of formula (II): ##STR2## with a chlorinating agent in the presence of a phase transfer catalyst containing chloride ions.
REFERENCES:
Lister, Purines p. 138 (1971), Wiley-Interscience.
Nasutavicus et al., J. Het. Chem., vol. 11, p. 77, (1974).
CA 79(21) 122316 (1973).
CA 103(23) 196046g (1985).
Harnden Michael R.
Jarvest Richard L.
Beecham Pharmaceuticals
Rizzo Nicholas
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