Über Reaktionen mit Kohlensuboxid (C3O2) Synthesen von Heterocyclen, 154. Mitt.

摘要

The compound first obtained byDashkevichundKuvaeva1from benzalanilíne and C3O2has the “quasi mesoionic” structure1and not the proposed spiro structureB. This class of compounds can also be synthesized from benzalanilines and malonyl chlo