Chemical and Pharmaceutical Bulletin
Online ISSN : 1347-5223
Print ISSN : 0009-2363
ISSN-L : 0009-2363
Studies on Thiohydroxamic Acids and Their Metal Chelates. I. Syntheses of Thiohydroxamic Acids and O-Methyl-thiohydroxamic Acids
Satoshi MizukamiKoichi Nagata
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1966 Volume 14 Issue 11 Pages 1249-1255

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Abstract
Nineteen kinds of sodium thiohydroxamate (I) were synthesized from hydroxylamine and esters of thionic acids or dithioacids in the presence of sodium methylate with about 40% yields for the aliphatic compounds and above 70% yields for the aromatic ones with some exceptions. A number of sodium O-methylthiohydroxamate (II) were also obtained by the analogous method using O-methylhydroxylamine. On long standing. I were apt to rearrange to the 1, 3-disubstituted thiourea while II were very stable. Some crystalline thiohydroxamic acid and O-methylthiohydroxamic acids were prepared from I and II.
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© The Pharmaceutical Society of Japan
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