Synthesis of spiro-fused (C5)-pyrazolino-(C6)-triazinones, a new heterocyclic system
Reaction of 4-hydrazinoquinazoline with 2,4-diketoesters gives the corresponding 3-acylmethyl-2H-[1,2,4]triazino[2,3-c]quinazolin-2-ones in a one-step procedure via cyclocondensation-Dimroth-like rearrangement. Spectroscopic studies as well as X-ray analy
Karpenko, Alexander V.,Kovalenko, Sergey I.,Shishkin, Oleg V.
experimental part
p. 5964 - 5972
(2011/03/18)
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