Two new l-(6'-O-acyl-β-D-glucopyranosyl)pyridinium-3-carboxylates,lonijaponinicotinosides A(1)and B(2),were isolated from an aqueous extract of the flower buds of Lonicera japonica.Their structures were determ...Two new l-(6'-O-acyl-β-D-glucopyranosyl)pyridinium-3-carboxylates,lonijaponinicotinosides A(1)and B(2),were isolated from an aqueous extract of the flower buds of Lonicera japonica.Their structures were determined by spectroscopic data analysis,and confirmed by comparison with synthetic 1-β-Dglucopyranosylpyridinium-3-carboxylate.展开更多
基金Financial support from the National Natural Science Foundation of China(NNSFCNos.20772156 and 30825044)+1 种基金the Program for Changjiang Scholars and Innovative Research Team in University(PCSIRT,No.IRT1007)the National Science and Technology Project of China(Nos.2012ZX09301002-002 and 2011ZX0 9307-002-01)
文摘Two new l-(6'-O-acyl-β-D-glucopyranosyl)pyridinium-3-carboxylates,lonijaponinicotinosides A(1)and B(2),were isolated from an aqueous extract of the flower buds of Lonicera japonica.Their structures were determined by spectroscopic data analysis,and confirmed by comparison with synthetic 1-β-Dglucopyranosylpyridinium-3-carboxylate.