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Communication | Special issue | Vol 11, No. 1, 1978, pp.59-67
Published online, 1st January, 1970
DOI: 10.3987/S(N)-1978-01-0059
An Organometallic Route to 2,7-Dihydrothiepin-1,1-dioxides

Ihsan U. Khand and Peter L. Pauson*

*Department of Pure and Applied Chemistry, University of Strathclyde, 295 Cathedral Street, Glasgow G1 1XL, U.K.

Abstract

Reaction of divinylsulphone with alkyne-cobalt complexes (RC≡CR’)CO2(CO)6 is shown to yield 2,7-dihydrothiepin-1,1-dioxides with the alkyne substituents (R=Ph; R’=H or Ph) in the 4 and 5 positions.