Reaction of iodosylbenzene with Cu' complexes (2a,b) occurs with hydroxylation in the ortho position of one pyridine nucleus; C u ~~~= O species are postulated.

No abstract

Die intramolekulare Cyclisierung von verschiedenen N‐Chloraminen wird bei unterschiedlichen Reaktionsbedingungen (Variation des Lösungsmittels, der Reaktionsdauer, des Katalysators) in neutralem Medium untersucht.

The formation of nitrimines, by the action of nitrous acid on oximes, is shown to proceed without scrambling of the nitrogen atoms, the oxime nitrogen forming the imine, and the nitrous acid generating the nitro group. Coloured intermediates in the reaction are proposed to be nitrosimines. The mechanism of nitrosative deoximation, and the nitrogen n.m.r. spectra of nitrimines, are reported and discussed.

. Can. J. Chem. 54, 3569 (1976