Herzog, Gold, and Gecklerl described a new method for the preparation of potassium aci-2, 2dinitroethanol and a subsequent paper dealt with the reactions of this compound with a, & unsaturated carbonyl compounds and formaldehyde.: Duden and Pondorf'had previously re- ported that the acidification of potsasjum dinitroethanol with excess mineral acid, in addition to the gases nitrogen] nitric oxide, nitrogen dioxide, car-bon monoxide and carbon dioxide ...
