Year 2006, Month 12 (Section Full Articles, Page 2857)
Synthesis of 4-amino-substituted but-2-en-4-olides
M. V. Mavrov, L. D. Konyushkin, N. I. Simirskaya, and S. G. Zlotin
Previously unknown 4-amino derivatives of spiro-annelated ∆2-butenolide were synthesized by the addition of various amines at the activated triple bond of 4-hydroxy-2-alkynoic esters.
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