104183-69-9Relevant articles and documents
Reaction of Diazocompounds and Hydrazines on Indolin-2-one Derivatives
Abdel-Latif, F. F.,Regaila, H. A. A.,Gohar, A. K. M. N.,Mohammed, Y. S.
, p. 775 - 777 (2007/10/02)
Ethyl α-(2-oxo-3-indolinylidene)-α-cyanoacetate (1a) reacts with 1-diazopropane (2a) to give 3,4-disubstitutedquinolin-2-one (3a).However, when the reaction is carried out in the presence of triethylamine, a furoquinoline derivative (4) is obtained