Purine N-Oxides. XLIV. The Cyclization of 6-Amino-5-nitrosouracil with Formaldehyde. Preparation and Properties of 7-Hydroxyxanthine

Gury Zvilichovsky, George Bosworth Brown

Research output: Contribution to journalArticlepeer-review

21 Scopus citations

Abstract

7-Hydroxyxanthine has been obtained from the reaction of one of the tautomeric forms of 6-amino-5-nitro-souracil and formaldehyde. Its 7-acetoxy derivative reacts rapidly with nucleophiles in neutral aqueous solutions to yield 8-substituted xanthines. Similar facile nucleophilic substitutions at position 8 are observed with 3-acetoxyxanthine, and an analogous mechanism via a commnn intermediate is proposed.

Original languageEnglish
Pages (from-to)1871-1876
Number of pages6
JournalJournal of Organic Chemistry
Volume37
Issue number12
DOIs
StatePublished - 1 Jun 1972
Externally publishedYes

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