Conversions of Coumarins Accompanied by Intermediate Opening and Recyclization of the Lactone Ring. Part 2. Study of the Interaction of Malonic Acid Hydrazide and Amide Derivatives with 3‐Acyl(3‐cyano, 3‐ethoxycarbonyl)coumarins.

Abstract

3-cyano, 3-ethoxycarbonyl)coumarins. -(NEMERYUK, M. P.; DIMITROVA, V. D.; ANISIMOVA, O. S.; SEDOV, A. L.; SOLOV'EVA, N. P.; TRAVEN, V. F.; Chem. Heterocycl. Compd. (N. Y.) 41 (2005) 10, 1255-1266; Mendeleev Univ. Chem. Technol., Moscow 125047, Russia; Eng.) -R. Langenstrassen 24-140