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ChemInform Abstract: Controlling Substitution Patterns on the 1,2,4-Triazolo[1,5-a]pyrimidine Ring. Selective Removal of Chlorine at the 7-Position.

✍ Scribed by William T. Monte; William A. Kleschick; Jon Bordner

Publisher: John Wiley and Sons
Year: 2010
Weight: 33 KB
Volume: 30
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199927065

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Controlling substitution patterns on the

Controlling substitution patterns on the 1,2,4-triazolo[1,5-α]-pyrimidine ring. Selective removal of chlorine at the 7-position

✍ William T. Monte; William A. Kleschick; Jon Bordner 📂 Article 📅 1999 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 445 KB

A highly effective method for the selective removal of chlorine from the 7-position of the 1,2,4-triazolo[1,5-a]pyrimidine ring in the presence of chlorine at the 5 - or 6 -positions is reported. The method involves treatment of the appropriate substrate with zinc-copper couple in the presence of ac

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## Abstract Compound (I) is readily prepared by an aza‐Wittig reaction.

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