作者:S. V. Fedoseev、O. V. Ershov、M. Y. Belikov、K. V. Lipin、O. E. Nasakin、V. A. Tafeenko
DOI:10.1134/s107042801311016x
日期:2013.11
Reactions of 3-amino-8-hydroxy-1,6-dioxo-2,7-diazaspiro[4.4]non-3-ene-4-carbonitriles with aqueous hydrohalic acid led to the formation of alkyl-substituted pyrrolo[3,4-c]-pyrrole-1,3,4,6-tetraones.