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Synthesis 2007(17): 2617-2620  
DOI: 10.1055/s-2007-983820
PAPER
© Georg Thieme Verlag Stuttgart · New York

Preparation of 2-Amino-4H-5,6-dihydro-1,3-selenazin-4-ones by Reaction of N,N-Unsubstituted Selenoureas with α,β-Unsaturated Acid Chlorides

Koichi Kanoha, Hideharu Ishiharaa, Mamoru Koketsu*b
a Department of Chemistry, Faculty of Engineering, Gifu University, Gifu 501-1193, Japan
b Division of Instrumental Analysis, Life Science Research Center, Gifu University, Gifu 501-1193, Japan
Fax: +81(58)2932619; e-Mail: koketsu@gifu-u.ac.jp;
Further Information

Publication History

Received 9 May 2007
Publication Date:
30 July 2007 (online)

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Abstract

2-Dialkylamino-4H-5,6-dihydro-1,3-selenazin-4-ones were obtained by the reaction of N,N-unsubstituted selenoureas with α,β-unsaturated acid chlorides at room temperature.

Key words

heterocycles - ring closure - selenium - selenourea - 1,3-selenazine

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Crystal structure data for 3d: Crystallographic data for the structural analysis have been deposited with the Cambridge Crystallographic Data Centre as supplementary publication, CCDC No. 645675. Copies of this information can be obtained, free of charge, on application to CCDC, 12 Union Road, Cambridge, CB2 1EZ, UK [fax: +44(1233)336033 or e-mail: deposit@ccdc.cam.ac.uk].