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Synthesis of Bis (Cyclic Dithiocarbonates) Bridged by a Polyoxyethylene Chain
Journal article   Peer reviewed

Synthesis of Bis (Cyclic Dithiocarbonates) Bridged by a Polyoxyethylene Chain

Lotfi Aroua and Ahmed Baklouti
Phosphorus, sulfur, and silicon and the related elements, Vol.182(10), pp.2419-2424
05/09/2008
DOI: https://doi.org/10.1080/10426500701501359

Abstract

Carbon disulfide cyclic dithiocarbonate oxathiolane-2-thione oxirane
The reaction of bis-oxiranes 1 with carbon disulfide in the presence of lithium bromide as catalyst at reflux in dichloromethane affords selectively the corresponding polyoxyethylene bis (five-menbered cyclic dithiocarbonates) 2 in good yields. On the basis of the reaction conditions, an oriented mechanism for the reaction is proposed.

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