期刊
TETRAHEDRON LETTERS
卷 41, 期 51, 页码 9963-9966出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0040-4039(00)01813-X
关键词
dithioles; sulfur compounds; sulfur heterocycles; keto acids and derivatives
The combination of P4S10, sulfur, and hexamethyldisiloxane converts 3-oxoesters to 3H-1,2-dithiole-3-thiones in yields generally superior to those obtained with Lawesson's reagent and without the need for chromatography to remove large amounts of phosphorous-containing byproducts. (C) 2000 Elsevier Science Ltd. All rights reserved.
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