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ChemInform Abstract: Synthesis of Pyrone Carbaldehydes, Pyrone Sulfonium Ylides and Related Epoxides.

✍ Scribed by Aziz Shahrisa; Mahnaz Saraei

Publisher
John Wiley and Sons
Year
2009
Weight
28 KB
Volume
40
Category
Article
ISSN
0931-7597

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✦ Synopsis

Abstract

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Synthesis of pyrone carbaldehydes, pyron
Synthesis of pyrone carbaldehydes, pyrone sulfonium ylides and related epoxides
✍ Aziz Shahrisa; Mahnaz Saraei 📂 Article 📅 2009 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 196 KB

## Abstract magnified image Hexaminium salts of 4‐pyrones 3a, 3b were synthesized by treatment of 2‐(4‐bromomethylphenyl)‐6‐methyl‐4__H__‐pyran‐4‐one 2a and 2‐(4‐bromomethylphenyl)‐6‐phenyl‐4__H__‐pyran‐4‐one 2b with hexamethyl‐enetetramine in chloroform in 71 and 84% yields respectively. Hydrolys