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Molecules 2002, 7(2), 145-154; doi:10.3390/70200145
Article

Synthesis of Thieno[2,3-d]-1,3-dithiol-2-thiones from Thieno[2,3-d]-1,2,3-thiadiazoles: Matryoshka-type autoclave for high-temperature, high-pressure thermolysis microscale reactions

1,* , 1, 1 and 2
1 Institute of Organic Chemistry, VUT, A-1060 Vienna, Getreidemarkt 9, Austria 2 Microcide Pharmaceuticals Inc., 1335 Carvo Court, Los Altos, CA 94024, USA
* Author to whom correspondence should be addressed.
Received: 23 December 2001 / Accepted: 6 February 2002 / Published: 28 February 2002
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Abstract

Thieno[2,3-d]-1,2,3-thiadiazoles (1) react with carbon disulfide in a "Matryoshkatype" double compartment autoclave [1] to yield thieno[2,3-d]-1,3-dithiol-2-thiones (2). With BH3/Me2S the cyclic trithiocarbonate (2d) is cleaved and the product characterized after methylation as 4b. Compounds 7a and 7b are prepared via the thieno[2,3-d]-1,3-dithiolium salts (6) followed by NaBH4-reduction.
Keywords: 1; 3-dipolar cycloaddition; high pressure reaction 1; 3-dipolar cycloaddition; high pressure reaction
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Jordis, U.; Bhattacharya, K.; Boamah, P.Y.; Lee, V.J. Synthesis of Thieno[2,3-d]-1,3-dithiol-2-thiones from Thieno[2,3-d]-1,2,3-thiadiazoles: Matryoshka-type autoclave for high-temperature, high-pressure thermolysis microscale reactions. Molecules 2002, 7, 145-154.

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