, Volume 111, Issue 3-4, pp 165-168

Mild and highly efficient transformation of thiols to symmetrical disulfides using urea–hydrogen peroxide catalyzed by a Mn(III)–salen complex

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The oxidative coupling of aromatic thiols into the corresponding disulfides with urea–hydrogen peroxide using a Mn(III)–salen complex as catalyst under mild conditions is described. This system provides an efficient, convenient and practical method for the syntheses of symmetrical disulfides.