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1H, 13C, 15N, 17O and 77Se NMR of selenenamides

✍ Scribed by Claude Paulmier; Patrice Lerouge; Francis Outurquin; Stella Chapelle; Pierre Granger

Publisher: John Wiley and Sons
Year: 1987
Tongue: English
Weight: 446 KB
Volume: 25
Category: Article
ISSN: 0749-1581
DOI: 10.1002/mrc.1260251106

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✦ Synopsis

Numerous areneselenenamides derived from ammonia, primary and secondary amines and two N,N-bis(ary1-se1eno)alkylamines have been studied. The selenenamides bearing an electron-withdrawing substituent on the aromatic moiety are stable. The 'H, 13C and 77Se chemical shifts and some coupling constants are reported.

For N,N-dialkyl-o-nitrobenzeneselenenamides, the 77Se NMR and the 1 7 0 NMR give evidence of an Se-0 interaction. In N-alkyl derivatives, a hydrogen bond between the arnine group and the ortho-substituent is proposed to explain the deshielding of the selenium nucleus. KEY WORDS 'H, I3C, "N, "0 and 77Se NMR selenenamides Se-0 interactions hydrogen bonding

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