Max-Planck-Institut für Polymerforschung, Ackermannweg 10, D-6500 Mainz, Germany
Abstract:
Reductive dehalogenation of dichloride
with magnesium affords the new stable diazacyclooctatetraene (1,5-diazocine)
. There is strong evidence for the intermediate formation of a 2, 6-diaza-4,8 - dicyanosemibullvalene
.