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Two new furan derivatives from bee-collected rape pollen
Juan-Li Guo1, Ya-Nan Yang, Jun He
1Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicine, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China.
Abstract:
Two new furan derivatives named pollenfurans A (1) and B (2) were isolated from the ethyl acetate extract of bee-collected rape pollen. Their structures were elucidated by spectroscopic analysis. The absolute configurations of the 6,7-diol moiety in both compounds 1 and 2 were confirmed by Snatzke's method, observing the induced circular dichroism after the addition of dimolybdenum tetraacetate in DMSO.
