Synthesis of Pyrano[3,2-c]pyran-5-one Derivatives by Three- Component One-Pot Reaction in Aqueous Media
SHI, Da-Qing *,a,b; NIU, Li-Hui b ; ZHUANG, Qi-Ya b
Chin. J. Org. Chem. . 2008, (9): 1633 -1636 .