Journal
TETRAHEDRON LETTERS
Volume 50, Issue 39, Pages 5474-5478Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.07.051
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- UGC
- CSIR (New Delhi)
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The intramolecular cyclization of amidoalkyl naphthols by Vilsmeier reagent produced 1,3-oxazines. The Vilsmeier reagent (chloromethylenedimethylammonium chloride) has been used as an efficient and cheap acid activator for the one-step synthesis of oxazine derivatives. A mechanism involving sequential haloformylation and intramolecular nucleophilic cyclization is proposed. (C) 2009 Elsevier Ltd. All rights reserved.
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