A One-Step Synthesis of 2-Alkyl-5-hydroxychromones and 3-Alkoyl-2-alkyl-5-hydroxychromones
作者:Sabrina Okombi、Julien Schmidt、Anne-Marie Mariotte、Eric Perrier、Ahcène Boumendjel
DOI:10.1248/cpb.53.1460
日期:——
2-Alkyl-5-hydroxychromones (2-alkyl-5-hydroxy-4-oxo-4H-1-benzopyran) and 3-alkoyl-2-alkyl-5-hydroxychromones (3-alkoyl-2-alkyl-5-hydroxy-4-oxo-4H-1-benzopyran) were prepared in one-step and one pot reaction by condensation of 2′,6′-dihydroxyacetophenone with an alkoyl chloride in the presence of K2CO3.
2-烷基-5-羟基香豆素(2-烷基-5-羟基-4-氧代-4H-1-苯并吡喃)和3-烷酰基-2-烷基-5-羟基香豆素(3-烷酰基-2-烷基-5-羟基-4-氧代-4H-1-苯并吡喃)通过在K2CO3存在下将2′,6′-二羟基乙酰苯与烷酰基氯进行缩合反应,采用一步法和一锅法制备。