Synthesis of 2-Penten-4-olides, 3-Penten-4-olides, and 4,4-Dialkyl-,1,3-cyclopentanediones by Acid- and Base-Induced Isomerization of 4-Penten-4-olides (γ-Methylene-γ-butyrolactones)
Synthesis of 2-Penten-4-olides, 3-Penten-4-olides, and 4,4-Dialkyl-,1,3-cyclopentanediones by Acid- and Base-Induced Isomerization of 4-Penten-4-olides (γ-Methylene-γ-butyrolactones)