Process for the preparation of substituted acyclic nucleosides,

Details Process for the preparation of substituted acyclic nucleosides, Process for the preparation of substituted acyclic nucleosides,

1991-06-25

1993-07-06

Tsang, Cecilia

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

Organic compounds

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

544254, 544264, 544265, 544276, 544280, 544243, 544244, 544299, 544301, 544302, 544303, 544304, 544306, 544309, 544311, 544312, 544313, 544314, 544317, 546 22, 546 23, 546118, 546290, 546300, 546301, 546302, 546303, C07D47318, C07D47334, C07D25116, C07D23946

Patent

active

052255506

ABSTRACT:
It is possible, by using symmetrical formaldehyde acetals of the formula ##STR1## in which the substituents R.sup.1 -R.sup.3 have the specified meanings, advantageously to introduce the substituent ##STR2## into nitrogen-containing heterocyclic systems to form acyclic nucleoside analogs.

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