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Comparison of cyclic and polymeric disulfides as catalysts for the regioselective chlorination of phenols

Smith, Keith, Al-Zuhairi, Ali J., El-Hiti, Gamal A. and Alshammari, Mohammed B. 2014. Comparison of cyclic and polymeric disulfides as catalysts for the regioselective chlorination of phenols. Journal of Sulfur Chemistry 36 (1) , pp. 74-85. 10.1080/17415993.2014.965170

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Abstract

Two cyclic and two polymeric disulfides have been synthesized and established to be useful catalysts for the chlorination of m-xylenol, o-cresol, m-cresol and phenol using freshly distilled sulfuryl chloride in the presence of aluminum or ferric chloride as a co-catalyst at room temperature. The yields of p-isomers and para/ortho ratios were higher compared to cases where no catalyst was used with most catalysts for most phenols even when a very low concentration of disulfide was used.

Item Type: Article
Date Type: Published Online
Status: Published
Schools: Chemistry
Publisher: Taylor & Francis
ISSN: 1741-5993
Date of Acceptance: 9 September 2014
Last Modified: 01 Sep 2017 13:04
URI: http://orca.cf.ac.uk/id/eprint/102290

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