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Organoselenium Chemistry. Synthesis of Selenetan-3-ol, 1-Bromo-3-selenocyanatopropan-2-ol and 2-Benzylseleno-Substituted Fumaric and Succinic Acids

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Arnold, AP and Canty, AJ 1983 , 'Organoselenium Chemistry. Synthesis of Selenetan-3-ol, 1-Bromo-3-selenocyanatopropan-2-ol and 2-Benzylseleno-Substituted Fumaric and Succinic Acids' , Australian Journal of Chemistry, vol. 36, no. 5 , pp. 815-823 , doi: 10.1071/CH9830815.

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Abstract

Approaches to the synthesis of diselenols have led to isolation of several new organoselenium compounds. Removal of mercury, as HgS, from [1,3-diselenylpropan-2-olato(2-)-Se,Se' ]mercury(II) results in decomposition of the organoselenium fragment to selenetan-3-ol. 1,3-Dibromopropan-2-0l reacts with KSeCN to form 1-bromo-3-selenocyanatopropan-2-0l; the selenoethers 2-(benzyl-
se1eno)fumaric acid [(Z)-PhCH2SeC(C02H)=CHC02H] and 2-(benzylse1eno)succinic acid [PhCH2SeCH(C02H)CH2C02H] are formed by base-catalysed reaction of phenylmethaneselenol
with acetylenedicarboxylic acid and maleic acid, respectively. The conformations adopted by
PhCH2XCH(C02H)CH2C02H (X = S, Se) in acetone have been determined by 1H n.m.r. spectroscopy.

Item Type: Article
Authors/Creators:Arnold, AP and Canty, AJ
Journal or Publication Title: Australian Journal of Chemistry
ISSN: 0004-9425
DOI / ID Number: 10.1071/CH9830815
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