One-Pot Synthesis of 4-Hydroxy-3-phenyl-2H-pyrano[3,2-b]benzofuran-2-one Derivatives
摘要:
Novel 4-hydroxy-3-phenyl-2H-pyrano[3,2-b]benzofuran-2-ones (15a-d), were synthesized in a one-step procedure by the reaction of substituted benzofuran-3-ones 12a-d and (chlorocarbonyl)phenyl ketene.
Novel 4-hydroxy-3-phenyl-2H-pyrano[3,2-b]benzofuran-2-ones (15a-d), were synthesized in a one-step procedure by the reaction of substituted benzofuran-3-ones 12a-d and (chlorocarbonyl)phenyl ketene.