›› 2001, Vol. 21 ›› Issue (04): 1-6.
• 研究报告 • Next Articles
TAN Wei-hong, SHEN Zhao-bang, WANG Cheng-zhang, YU Qing
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Abstract: A method for the extraction and isolation of alkylphenols in Ginkgo biloba leaves was introduced.Through silica gel column separation,TLC and HPLC preparations,six monomers were acquired.By UV,IR,MS, 1H NMR and 13C NMR,the structures of these compounds were determined,and were confirmed by comparison with literature.The structures of these compounds were identifited as:3-(8-pentadecenyl)phenol,3-[-4(Z),7(Z) heptadecadienyl]phenol,3-(10-heptadecenyl)phenol,6-(8-pentadecenyl)salicylic acid,6-(10-heptadecenyl)salicylic acid and 5-(8-pentadecenyl)resorcinol.The position of the double bonds in compound 3-[4(Z),7(Z) heptadecadienyl]phenol was determined from the GC MS spectrum of its oxide and methylated products.
Key words: Ginkgo biloba leaves, alkylphenol, ginkgolic acid, ginkgol, bilobol
CLC Number:
S789.4
S792.95
TAN Wei-hong;SHEN Zhao-bang;WANG Cheng-zhang;YU Qing. ISOLATION AND IDENTIFICATION OF ALKYLPHENOLS FROM GINKGO BILOBA LEAVES[J]. , 2001, 21(04): 1-6.
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