A one-pot preparation of cyanamide from dithiocarbamate using molecular iodine

Jayashree Nath; Bhisma K. Patel; Latonglila Jamir; Upasana Bora Sinha; K. V. V. V. Satyanarayana

doi:10.1039/B914283P

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Green Chemistry

Issue 10, 2009

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A one-pot preparation of cyanamide from dithiocarbamate using molecular iodine

Jayashree Nath , Bhisma K. Patel , Latonglila Jamir , Upasana Bora Sinha and K. V. V. V. Satyanarayana

Green Chem., 2009, 11, 1503-1506

DOI: 10.1039/B914283P
Received 22 Apr 2009, Accepted 14 Jul 2009
First published on the web 24 Jul 2009

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An efficient one-pot method for the synthesis of cyanamides from dithiocarbamate salts via a double desulfurization strategy using molecular iodine is disclosed. Dithiocarbamates, by the action of iodine yield isothiocyanates in situ, which on treatment with aqueous NH₃ give thioureas. The thioureas so generated undergo further oxidative desulfurization with I₂ giving corresponding cyanamides in good yields. Environmental benignity, cost effectiveness and high yields are the important attributes of this one pot procedure.

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Articles By

Jayashree Nath
Bhisma K. Patel
Latonglila Jamir
Upasana Bora Sinha
K. V. V. V. Satyanarayana

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Green Chemistry

A one-pot preparation of cyanamide from dithiocarbamate using molecular iodine

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