239806-18-9Relevant articles and documents
Reaction of diphenyldiazomethane with N-methyloxy- and N- ethyloxycarbonyl-N-(2,2,2-trichloroethylidene)amines
Jacquot, Sandrine,Belaissaoui, Abdelhak,Schmitt, Gerard,Laude, Bernard,Kubicki, Marek M.,Blacque, Olivier
, p. 1541 - 1544 (1999)
Reaction of the title imines with diphenyldiazomethane gives a Δ3- 1,3,4-triazoline, which leads, after loss of dinitrogen, to a transient azomethine ylide. Subsequent elimination of ethyl or methyl chloroformate gives the unexpected 1,1-diphenyl-4,4-dichloro-2-aza-1,3-butadiene.