Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen bonded directly to ring carbon of the purine ring...
Patent
1987-10-19
1989-05-02
Rizzo, Nicholas S.
Organic compounds -- part of the class 532-570 series
Organic compounds
Chalcogen bonded directly to ring carbon of the purine ring...
544277, 544251, C07D47318, A61K 3152
Patent
active
048269816
ABSTRACT:
There is disclosed a process for preparing 9-(2-hydroxyethoxymethyl)-guanine (acyclovir) of the formula IV ##STR1## wherein a novel compound of the formula I ##STR2## wherein R and R' may be the same or different and represent hydrogen, (C.sub.1 -C.sub.8)acyl or benzyl and R.sub.1 represents (C.sub.1 -C.sub.8)acyl, is hydrolyzed basic conditions. Also disclosed is the novel compound of the formula I, a process for the preparation thereof by condensing a novel compound of the formula II ##STR3## with a compound A--CH.sub.2 --O--CH.sub.2 CH.sub.2 --OR' (A is a leaving group, Q is hydrogen or a leaving group), the novel compound of the formula II and a process for the preparation thereof by means of condensing glyoxal hydrate and a compound of the formula V ##STR4##
REFERENCES:
patent: 4621140 (1986-11-01), Verheyden et al.
patent: 4642346 (1987-02-01), Chan et al.
Gnidovec Joze
Kobe Joze
Zupet Pavle
KRKA
Rizzo Nicholas S.
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