Novel synthesis of coumarins employing triphenyl(alpha-carboxymethylene)-phosphorane imidazolide as a C-2 synthon

TitleNovel synthesis of coumarins employing triphenyl(alpha-carboxymethylene)-phosphorane imidazolide as a C-2 synthon
Publication TypeJournal Article
Year of Publication2009
AuthorsUpadhyay, PK, Kumar, P
JournalTetrahedron Letters
Volume50
Issue2
Pagination236-238
Date PublishedJAN
ISSN0040-4039
KeywordsCarbonyldiimidazole, Coumarins, Intramolecular Wittig reaction, Phenolic compound, Phosphorane
Abstract

A novel one-pot synthesis of coumarins via intramolecular Wittig cyclization from the reaction of phenolic compounds containing ortho-carbonyl group and triphenyl(alpha-carboxy methylene)phosphorane imidazolide is described. (c) 2008 Elsevier Ltd. All rights reserved.

DOI10.1016/j.tetlet.2008.10.133
Type of Journal (Indian or Foreign)Foreign
Impact Factor (IF)2.618
Divison category: 
Organic Chemistry