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Original Articles

The Organophosphorus Sulfenyl Bromides as Versatile Reagents for Cysteine Derivatives Functionalization by Unsymmetrical Disulfide Bond Formation

, , &
Pages 415-419 | Published online: 20 Jun 2008
 

Abstract

We have developed a convenient method for the synthesis of L-cysteine unsymmetrical disulfides under mild conditions with good to excellent yields. Described method is based on the straightforward preparation of the organophosphorus sulfenyl bromide readily available from bis-(5,5-dimethyl-2-thiono-1,3,2-dioxaphosphorinanyl) disulfide. The unsymmetrical disulfides can be obtained for L-cysteine derivatives and thiols bearing neutral or acidic functionalities.

Acknowledgments

We gratefully acknowledge the Polish Ministry of Science and Higher Education N N204 4511 33 for financial support.

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