Abstract

We have developed a convenient method for the synthesis of unsymmetricaltrisulfides under mild conditions in very good yields. The designedmethod is based on the straightforward preparation of 1-[(5,5-dimethyl-2-thioxo-1,3,2-dioxaphosphorinan-2-yl)trisulfanyl]dodecanefrom readily available 5,5-dimethyl-2-sulfanyl-2-thioxo-1,3,2-dioxaphosphorinane,sulfur dichloride (SCl 2 ) and dodecane-1-thiol. The unsymmetricaltrisulfides can be obtained from aliphatic, aromatic thiols and L-cysteine derivatives as well.

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