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Article << Previous     |     Next >>   Contents Vol 65(12)

Direct One-Pot Cobalt(ii) Phthalocyanine Catalyzed Synthesis of N-Substituted Isoindolinones

Vishal Kumar A , Upendra Sharma A , Bikram Singh A and Neeraj Kumar A B

A Natural Plant Products Division, CSIR-Institute of Himalayan Bioresource Technology, Palampur, Himachal Pradesh-176 061, India.
B Corresponding author. Email: neerajnpp@rediffmail.com

Australian Journal of Chemistry 65(12) 1594-1598 http://dx.doi.org/10.1071/CH12321
Submitted: 5 July 2012  Accepted: 10 September 2012   Published: 24 October 2012


 
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Abstract

A direct one-pot synthetic approach is described wherein cobalt(ii) phthalocyanine (CoPc) catalyzed reductive amination of 2-carboxybenzaldehyde, followed by intramolecular amidation afforded N-substituted isoindolinones. The method used diphenylsilane as reducing agent in ethanol. High chemoselectivity with excellent yield was obtained in most of the studied substrates.





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