2,6-diaza-4,8-dicyanosemibullvalene. A short lived intermediate?
摘要:
Reductive dehalogenation of dichloride 5b with magnesium affords the new stable diazacyclooctatetraene (1,5-diazocine) 7. There is strong evidence for the intermediate formation of a 2,6-diaza-4,8-dicyanosemibullvalene 6.