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. Author manuscript; available in PMC: 2014 Feb 14.
Published in final edited form as: J Med Chem. 2013 Jan 30;56(3):1346–1349. doi: 10.1021/jm301633x

Scheme 1. Synthesis of sulfanegen salts 7a-f.

Scheme 1

aReagents and conditions: (a) 2 molar equivalents NaHS, ethanol, 0 °C; (b) Dowex-50WX8, H+ form, 7 equivalents; (c) 2 equivalents of a biocompatible amine (M).