A convenient synthesis of alkylated 4-hydroxy-2-pyrones
作者:Eiji Suzuki、Haruo Sekizaki、Shoji Inoue
DOI:10.1039/c39730000568
日期:——
Various alkylated4-hydroxy-2-pyrones were synthesized from the βδ-diketo-esters (11), (13), and (14), which were easily prepared from the γδ-acetylenic β-keto-esters(3), (4), and (7)via the corresponding enamino-β-keto-esters (8)–(10).