Preparation of 5-Acyl-2-amino-1,3-selenazoles by the Reaction of Selenazadienes with α-Haloketone

Mamoru Koketsu; Masakazu Kogami; Hiromune Ando; Hideharu Ishihara

doi:10.1055/s-2005-921752

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Synthesis 2006(1): 31-36
DOI: 10.1055/s-2005-921752

PAPER

Preparation of 5-Acyl-2-amino-1,3-selenazoles by the Reaction of Selenazadienes with α-Haloketone

Mamoru Koketsu*^a, Masakazu Kogami^b, Hiromune Ando^a, Hideharu Ishihara*^b
^a Division of Instrumental Analysis, Life Science Research Center, Gifu University, Gifu 501-1193, Japan
Fax: +81(58)2301893; e-Mail: koketsu@cc.gifu-u.ac.jp;
^b Department of Chemistry, Faculty of Engineering, Gifu University, Gifu 501-1193, Japan

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Publication History

Received 26 May 2005
Publication Date:
16 December 2005 (online)

Abstract
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Abstract

Reaction of selenazadienes with α-haloketones gave 5-acyl-2-amino-1,3-selenazoles in high yields.

Key words

selenazadiene - haloketone - 1,3-selenazole - heterocycle

References

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Dimethylamine hydrobromide. ¹H NMR (500 MHz, CDCl₃): δ = 2.74 (s, 6 H), 8.98 (br s, 2 H)_. ¹³C NMR (125 MHz, CDCl₃): δ = 34.8.

9

CCDC 272455 for 3e contains the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/data_request/cif, or by emailing data_request@ccdc.cam.ac.uk, or by contacting The Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB2 1EZ, UK; fax: +44(1223)336033.