Additions and corrections
Controlled oxidation of thiols to disulfides by diazenecarboxamides
Janez Kosmrlj, Marijan Kocevar and Slovenko Polanc
J. Chem. Soc., Perkin Trans. 1, 1998, 3917
In Scheme 1 of the above paper, the bottom left hand structure is incorrect for compounds a and b. The correct structure should have one more nitrogen atom in the left hand ring as shown below: