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Synthesis 1994; 1994(3): 282-286
DOI: 10.1055/s-1994-25460
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Synthesis and Characterization of Se-Organoarsanyl Selenocarboxylates

Takahiro Kanda* , Kazuaki Mizoguchi, Tadashi Koike, Toshiaki Murai, Shinzi Kato
  • *Department of Chemistry, Faculty of Engineering, Gifu University, Yanagido 1-1, Gifu 501-11, Japan
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Publikationsdatum:
27. September 2002 (online)

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Sodium Selenocarboxylates were found to react with organoarsanyl chlorides Ph3-nAsCln 1-3 (n = 1, 2, 3) to give the corresponding Se-organoarsanyl esters RCOSeAsPh2, (5), (RCOSe)2AsPh (6) and (RCOSe)3As (7) in good yields. The reaction of Se-diphenylarsanyl 4-methylbenzenecarboselenoate 5g with phenylselenenyl bromide and phenyltellurenyl iodide afforded the corresponding Se-phenylselenenyl 13 and Se-phenyltellurenyl esters 14 in moderate yields, while the reaction with sodium phenoxide gave sodium 4-methylbenzenecarboselenoate (4g), phenyl 4-methylbenzoate (11) and phenoxydiphenylarsine (12), indicating the attack of phenoxy anion to both the carbonyl carbon and arsenic atoms.