Details for Patent: 5,075,445
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Title: | Guanine derivatives |
Abstract: | A compound of formula (I) ##STR1## or a salt or acyl derivative thereof, in which X represents chlorine, C.sub.1-6 alkoxy, phenoxy, phenyl C.sub.1-6 alkoxy, NH.sub.2, --OH or --SH, is useful in treating viral infections. |
Inventor(s): | Jarvest; Richard L. (Surbiton, GB), Harnden; Michael R. (Horsham, GB) |
Assignee: | Beecham Group p.l.c. (Middlesex, GB) |
Filing Date: | Aug 12, 1987 |
Application Number: | 07/085,216 |
Claims: | 1. An antiviral compound of formula I which is designated 9-(4-hydroxy-3-hydroxymethylbut-1-yl)guanine: ##STR25## or a pharmaceutically acceptable salt thereof, said compound being in a substantially pure, crystalline form and having a melting point of about 275.degree.-277.degree. C. 2. The sodium salt of said compound of claim 1. |