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Synthesis of Disulfanes from Organic Thiocyanates Mediated by Sodium in Silica Gel

Chandra Kant Maurya, Avik Mazumder, Ajeet Kumar, Pradeep Kumar Gupta*

*Defence Research & Development Establishment (DRDE), Jhansi Road, Gwalior (MP)-474002, India, Email:

C. K. Maurya, A. Mazumder, A. Kumar, P. K. Gupta, Synlett, 2016, 27, 409-411.

DOI: 10.1055/s-0035-1560368


The use of sodium in silica gel enables an efficient synthesis of symmetrical disulfanes from organic thiocyanates at room temperature. This protocol provides an attractive alternative to existing methods for the preparation of symmetrical disulfanes as it avoids the use of foul-smelling thiols.

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Key Words

disulfides, reduction, thiocyanates, coupling, sodium

ID: J60-Y2016