Process for preparing 4-pyrimidinones

Details Process for preparing 4-pyrimidinones Process for preparing 4-pyrimidinones

1993-03-12

1994-05-17

Ford, John M.

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

Organic compounds

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

C07D40310

Patent

active

053129202

ABSTRACT:
A process for preparing a compound represented by formula ##STR1## by deprotecting a compound represented by formula (VII) ##STR2## in which R.sub.1 represents an unbranched or branched C.sub.1-7 alkyl, unbranched or branched C.sub.3-9 alkenyl, or (C.sub.3-7)cycloalkyl(C.sub.1-6)alkyl, and R.sub.2 represents hydrogen, unbranched or branched C.sub.1-7 alkyl, (C.sub.3-7)cycloalkyl(C.sub.1-3)alkyl, aryl(C.sub.1-3)alkyl optionally substituted on the ring-system, aryloxy(C.sub.1-3)alkyl optionally substituted on the ring-system, arylthio(C.sub.1-3)alkyl optionally substituted on the ring-system, arylsulphonyl(C.sub.1-3)alkyl optionally substituted on the ring-system, and heteroaryl(C.sub.1-3)alkyl optionally substituted on the ring-system.

REFERENCES:
patent: 5130439 (1992-07-01), Lo et al.
patent: 5166206 (1992-11-01), Allen

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