Process for the preparation of nitrogen-bridgehead condensed pyr

Details Process for the preparation of nitrogen-bridgehead condensed pyr Process for the preparation of nitrogen-bridgehead condensed pyr

1980-05-09

1984-06-05

Daus, Donald G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Nitrogen attached directly or indirectly to the purine ring...

424251, C07D23970, A61K 31505

Patent

active

044529821

ABSTRACT:
A process is disclosed for the preparation of compounds of the formula (I) ##STR1## wherein R.sup.1 and R.sup.2 are each hydrogen or lower alkyl;

REFERENCES:
patent: 3141043 (1964-07-01), McBee
patent: 3585198 (1971-06-01), Meszaros et al.
patent: 4234586 (1980-11-01), Hermecz et al.
patent: 4260612 (1981-04-01), Hermecz et al.
British J. Pharm. 46, 56-66 (1972).
Arzneimittelforschung 22, 815-829, (1972).

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