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207. Pteridine studies. Part XXIX. The methylation of 7-amino- and 4,7-diamino-pteridine

✍ Scribed by Brown, D. J. ;Jacobsen, N. W.

Book ID: 111900321
Publisher: The Royal Society of Chemistry
Year: 1965
Weight: 791 KB
Category: Article
ISSN: 0368-1769
DOI: 10.1039/jr9650001175

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Our first report1 on the action of strong nucleophiles on pteridines concerned the conversion of 2-methylthio\_4,6,7\_triphenylpteridine (la) into 2-amino-4,6,7-triphenylpteridine (lb) and 6,8-diphenyl-2-methylthiopurine (2) (ratio 3/l) by -KNH2 in liquid NH3 at -33OC. Recently we proved that in th