907604-05-1Relevant articles and documents
Pseudo-cross-conjugated mesomeric betaines and N-heterocyclic carbenes of indazole
Schmidt, Andreas,Beutler, Ariane,Habeck, Tobias,Mordhorst, Thorsten,Snovydovych, Bohdan
, p. 1882 - 1894 (2006)
1,2-Dimethylindazolium-3-carboxylates are pseudo-cross-conjugated mesomeric betaines (PCCMB) and derivatives of the indazole alkaloid Nigellicin. They decarboxylate on heating to give intermediary N-heterocyclic carbenes of indazole that can be trapped wi