Synthesis 2002(8): 1047-1052
DOI: 10.1055/s-2002-31957
PAPER
© Georg Thieme Verlag Stuttgart · New York

S-Thioacyldithiophosphates in the Synthesis of Thiohydroxamic Acids and O-Thioacylhydroxylamines

Leszek Doszczak*, Janusz Rachon*
Department of Organic Chemistry, Faculty of Chemistry, Technical University of Gda Ňsk, ul. Narutowicza 11/12, 80-952 GdaŇsk; Poland
e-Mail: Rachon@chem.pg.gda.pl;
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Publikationsverlauf

Received 15 February 2002
Publikationsdatum:
03. Juni 2002 (online)

Abstract

S-Thioacyldithiophosphates proved to be excellent thioacylating agents. They are easily available from carboxylic acids. Due to their low reactivity towards oxygen nucleophiles and high reactivity towards nitrogen ones they found application in the synthesis of thiohydroxamic acids directly from hydroxylamines without protection on the hydroxy group. However, in cases of steric hindrance O-thioacyl hydroxylamines are formed and can be isolated with high yield.

1

Chimiak, A.; Przychodzen, W.; Rachon, J. Heteroatom Chem., 2002, 13, 169.