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ChemInform Abstract: Synthesis of 5, 6‐Dihydropyran‐2‐one Derivatives under Coupled Ultrasonication and Phase Transfer Catalyzed in situ Generated Ketene with Chalcones. Issue 19 (May 2015)
Record Type:
Journal Article
Title:
ChemInform Abstract: Synthesis of 5, 6‐Dihydropyran‐2‐one Derivatives under Coupled Ultrasonication and Phase Transfer Catalyzed in situ Generated Ketene with Chalcones. Issue 19 (May 2015)
Main Title:
ChemInform Abstract: Synthesis of 5, 6‐Dihydropyran‐2‐one Derivatives under Coupled Ultrasonication and Phase Transfer Catalyzed in situ Generated Ketene with Chalcones.
Abstract: Ultrasound‐mediated hetero Diels—Alder reaction of chalcones (II) with ketenes, generated in situ from acetyl chlorides (I) under phase‐transfer catalysis conditions, results in the efficient formation of dihydropyranones (III).