Ring expansion by sulphur migration: Synthesis of 2-alkylidene-1,4-benzodithians and 1,4-benzodithiins

Blatcher, P., Warren, S., Ncube, S., Pelter, A. and Smith, Keith 1978. Ring expansion by sulphur migration: Synthesis of 2-alkylidene-1,4-benzodithians and 1,4-benzodithiins. Tetrahedron Letters 19 (26) , pp. 2349-2352. 10.1016/S0040-4039(01)91533-3

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Abstract

Reaction of 2-(1-hydroxyalkyl)-1,3-benzodithioles (1) with thionyl chloride - triethylamine gives high yields of 2-alkylidene-3-substituted benzodithians, and 2,3-substituted benzodithiins on treatment with acid.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Schools > Chemistry
Subjects:	Q Science > QD Chemistry
Publisher:	Elsevier
ISSN:	0040-4039
Last Modified:	04 Jun 2017 02:50
URI:	https://orca.cardiff.ac.uk/id/eprint/12625

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