Methods for preparing n-substituted heterocyclic derivatives

Details Methods for preparing n-substituted heterocyclic derivatives Methods for preparing n-substituted heterocyclic derivatives

1994-06-30

1996-09-24

Higel, Floyd D.

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

Organic compounds

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

544 6, 544319, 544231, 5483007, 5483011, 5483121, 5483137, 5483164, 5483167, 5483241, 5483255, 5483235, C07D47338, C07D23936, C07D23370

Patent

active

055592333

ABSTRACT:
The invention relates to processes for preparing N-substituted heterocyclic compounds of formula (I) ##STR1##

REFERENCES:
patent: 3932452 (1976-01-01), Schwan et al.
patent: 3966758 (1976-06-01), Schwan et al.
patent: 4876263 (1989-10-01), Shiokawa et al.
patent: 4880804 (1989-11-01), Carini et al.
patent: 5087634 (1992-02-01), Reitz et al.
patent: 5138069 (1992-08-01), Carini et al.
patent: 5254546 (1993-10-01), Ardecky et al.
patent: 5298481 (1994-03-01), Tice

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