Formation of alkyl 1-methyl-3,9-dioxo-2-phenyl-2,3,4,9-tetrahydro-1H-pyrrolo[3,4-b]quinoline-1-carboxylates by thermolysis of alkyl 1,5-diaryl-4-methyl-2,3,6-trioxo-1,2,3,4,5,6-hexahydropyrrolo[3,4-b]pyrrole-4-carboxylates

Gein, V. L. / Dyrenkov, R. O. / Kornienko, N. A. et al. | British Library Online Contents | 2012

Spiro heterocyclization of methyl 4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with acyclic enamino ketones

Bannikova, Y. N. / Khalturina, V. V. / Sedegova, E. A. et al. | British Library Online Contents | 2007

Synthesis of 9-alkyl-8-methoxy-8-methyl-1,3,6-trioxo-2,7-diazaspiro[4.4]nonane-4-carbonitriles

Fedoseev, S. V. / Lipin, K. V. / Ershov, O. V. et al. | British Library Online Contents | 2016

Thermal decomposition products of methyl 1,5-diphenyl- and 5-methyl-1-phenyl-2,3-diazabicyclo[3.1.0]hex-2-ene-6-exo-carboxylates

Razin, V. V. / Yakovlev, M. E. / Vasin, V. A. | British Library Online Contents | 2013

Five-membered dioxo heterocycles: CIV. Reaction of methyl 1-aryl-3-benzoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates with cyclic enehydrazines. Crystal and molecular structure of N-[3′-benzoyl-1′-(4-chlorophenyl)-4′-hydroxy-6,6-dimethyl-2,4,5′-trioxo-1′,4,5,5′,6,7-hexahydrospiro-[indole-3,2′-pyrrol]-1(2H)-yl]benzamide

Denislamova, E. S. / Aliev, Z. G. / Maslivets, A. N. | British Library Online Contents | 2014