A New Route to 1,2,3-Propanetrithiol

Authors: Russavskaya, N.V.; Alekminskaya, O.V.; Deryagina, E.N.; Skotheim, T.A.; Trofimov, B.A.

Source: Russian Journal of General Chemistry, Volume 71, Number 11, November 2001 , pp. 1771-1772(2)

Publisher: MAIK Nauka/Interperiodica

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A new procedure was developed for preparing 1,2,3-propanetrithiol from available initial compounds. 1,2,3-Trichloroethane reacts with sodium disulfide prepared by dissolving sulfur in the system NaOH-N_2H_4 ยท H_2O-H_2O to give a disulfide dendrimeric polymer, thiokol, in almost quantitative yield. This polymer is subjected to reductive cleavage with an alkaline solution of hydrazine hydrate, which is followed by acidification with HCl. The yield of 1,2,3-propanetrithiol exceeds 60%. The synthesis can be performed as a one-pot procedure.

Document Type: Regular Paper

Affiliations: Favorskii Institute of Chemistry, Siberian Division, Russian Academy of Sciences, Irkutsk, Russia

Publication date: November 1, 2001

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