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Acetal-initiated Prins bicyclization for the synthesis of hexahydrofuro-[3,4-c]furan lignans and octahydropyrano[3,4-c]pyran derivatives

✍ Scribed by Subba Reddy, B. V.; Ramana Reddy, M.; Sridhar, B.; Singarapu, Kiran Kumar


Book ID
127226215
Publisher
Royal Society of Chemistry
Year
2014
Tongue
English
Weight
604 KB
Volume
12
Category
Article
ISSN
1477-0520

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## Abstract magnified image Coupling of various substituted phenacyl acetates **1** and diazonium salts **3** was studied. If the phenacyl acetates were substituted by an electronaceptor group such as CN or COOEt 3‐substituted phenyl‐5‐(phenyl‐hydrazono)‐5__H__‐furan‐2‐ones **4** were formed. Also