A NEW SYNTHETIC ROUTE TO 1,3-DITHIOLIUM SALTS INVOLVING NEIGHBORING GROUP PARTICIPATION OF DITHIOCARBAMATE GROUP
- 5 August 1973
- journal article
- research article
- Published by Oxford University Press (OUP) in Chemistry Letters
- Vol. 2 (8), 867-870
- https://doi.org/10.1246/cl.1973.867
Abstract
A new and useful synthetic route to 1,3-dithiolium salts involving neighboring group participation of dithiocarbamate group as a key step is described. 4-Bromo-2-dialkylamino-1,3-dithiolan-2-ylium bromide was obtained in high yield by the addition of equimolar bromine to S-vinyl-N,N-dialkyldithiocarbamate, and then, pyrolysis of the salt under reduced pressure gave 1,3-dithiolium salt in excellent yield. 4-Substituted-1,3-dithiolium salts were also obtained in the same way.Keywords
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