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DOI: 10.1055/s-2006-950182
One-Pot Cyclization of Carbon Nucleophiles with 2-Isothiocyanatobenzonitrile (ITCB): Synthesis of 4-Alkylidene-3,4-dihydroquinazoline-2(1H)thiones
Publication History
Publication Date:
15 August 2006 (online)
Abstract
The one-pot cyclization of 2-isothiocyanatobenzonitrile (ITCB) with carbon nucleophiles afforded 4-alkylidene-3,4-dihydroquinazoline-2(1H)thiones with very good E diastereoselectivity.
Key words
cyclizations - heterocycles - isothiocyanates - one-pot reactions
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References
Crystallographic data (excluding structure factors) for the structures in this paper have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication no. CCDC-601337 (8), CCDC-601338 (9a), and CCDC-601339 (9c). Copies of this data can be obtained, free of charge, on application to CCDC, 12 Union Road, Cambridge CB2 1EZ, UK; fax: +44(1223)336033 or e-mail: deposit@ccdc.cam.ac.uk) or via www.ccdc.cam.ac.uk/conts/retrieving.html.
21Jiao, H.; Langer, P., unpublished results.