Heterocyclization of compounds containing diazo and cyano groups. 3. Two pathways in the cyclization of 2-diazo-2-cyanoacetic acid derivatives under the influence of bases
作者:Yu. M. Shafran、V. A. Bakulev、V. S. Mokrushin、S. G. Alekseev、A. T. Lebedev、P. A. Sharbatyan