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AgNO3‐Catalysed Intramolecular Cyclization: Access to Functionalized Cyclopentanones and Spiro‐Cyclopentanones

AgNO3‐Catalysed Intramolecular Cyclization: Access to Functionalized Cyclopentanones and... An efficient AgNO3‐catalysed method has been developed for the synthesis of functionalized cyclopentanones and spiro‐cyclopentanones through intramolecular cyclization between ynones and cyanoacrylate/aryl/alkylidene malononitrile using DBU as a base. Easy availability of starting materials and mild reaction conditions makes this protocol more feasible over previously reported methods. The functionalized cyclopentanones and spiro‐cyclopentanones were synthesized in good to excellent yields with a broad substrate scope. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Asian Journal of Organic Chemistry Wiley

AgNO3‐Catalysed Intramolecular Cyclization: Access to Functionalized Cyclopentanones and Spiro‐Cyclopentanones

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References (45)

Publisher
Wiley
Copyright
© 2019 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim
ISSN
2193-5807
eISSN
2193-5815
DOI
10.1002/ajoc.201900453
Publisher site
See Article on Publisher Site

Abstract

An efficient AgNO3‐catalysed method has been developed for the synthesis of functionalized cyclopentanones and spiro‐cyclopentanones through intramolecular cyclization between ynones and cyanoacrylate/aryl/alkylidene malononitrile using DBU as a base. Easy availability of starting materials and mild reaction conditions makes this protocol more feasible over previously reported methods. The functionalized cyclopentanones and spiro‐cyclopentanones were synthesized in good to excellent yields with a broad substrate scope.

Journal

Asian Journal of Organic ChemistryWiley

Published: Oct 1, 2019

Keywords: ; ; ;

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