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从鞣花酸(1)合成二个新的多取代的联苯化合物3和4,利用HMQC, HMBC和一维NOE谱技术确定了它们的13C和1H NMR归属.
Two new polysubstituted biphenyls 3 and 4 were synthesized from ellagic acid (1). Their 13C and 1H NMR assignments were determined using HMQC, HMBC and one-dimensional NOE spectroscopy.