Synthesis of 3,4-Dihydro-2H,5H-pyrano[3,2-c][1]benzopyran-5-one Derivatives by Diels-Alder Reactions of 3-Methylenebenzopyran- 2,4-diones with Silyl Enol Ethers
Peng, Daquan a,b ; Liu, Yun b; Lü, Zhifeng b; Xu, Jianhua*,b
Chin. J. Org. Chem.
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2009, (05): 716
-723
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