SYMPHYTOXIDE-A, A TRITERPENOID SAPONIN FROM THE ROOTS OF SYMPHYTUM-OFFICINALE

被引:16
作者
AHMAD, VU
NOORWALA, M
MOHAMMAD, FV
SENER, B
GILANI, AUH
AFTAB, K
机构
[1] GAZI UNIV,FAC PHARM,DEPT PHARMACOGNOSY,ANKARA,TURKEY
[2] AGA KHAN UNIV,COLL MED,DEPT PHARMACOL,KARACHI 74800,PAKISTAN
关键词
SYMPHYTUM-OFFICINALE; BORAGINACEAE; ROOTS; TRITERPENOID SAPONIN; SYMPHYTOXIDE-A; HEDERAGENIN; HYPOTENSIVE;
D O I
10.1016/0031-9422(93)85244-L
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
A new triterpenoidal saponin of hederagenin named symphytoxide A has been isolated from the ethanolic extract of the roots of Symphytum officinale and characterized on the basis of chemical investigations and spectroscopic studies as 3-O-[beta-D-glucopyranosyl-(1 --> 2)-beta-D-glucopyranosyl-(1 --> 4)-alpha-L-arabinopyranosyl] hederagenin. The structure of this new saponin was established on the basis of ID and 2D NMR experiments including heteroCOSY, COSY-45-degrees as well as HMBC measurements and other spectroscopic techniques. The saponin exhibited hypotensive activity in anaesthetized rats.
引用
收藏
页码:1003 / 1006
页数:4
相关论文
共 10 条
  • [1] Atta-ur-Rehman, 1986, NUCL MAGN RESON, P202
  • [2] ATTAURRAHMAN, 1989, ONE 2 DIMENSAIONAL N
  • [3] H-1 AND C-13 ASSIGNMENTS FROM SENSITIVITY-ENHANCED DETECTION OF HETERONUCLEAR MULTIPLE-BOND CONNECTIVITY BY 2D MULTIPLE QUANTUM NMR
    BAX, A
    SUMMERS, MF
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1986, 108 (08) : 2093 - 2094
  • [4] BUCKINGHAM J, 1985, DICT ORGANIC COMPOUN, V3, P164
  • [5] FURTHER STUDIES ON ASSIGNMENT OF SIGNALS IN C-13 MAGNETIC-RESONANCE SPECTRA OF ALDOSES AND DERIVED METHYL GLYCOSIDES
    GORIN, PAJ
    MAZUREK, M
    [J]. CANADIAN JOURNAL OF CHEMISTRY-REVUE CANADIENNE DE CHIMIE, 1975, 53 (08): : 1212 - 1223
  • [6] HOPPE HA, 1975, DROGENKUNDE, V1, P1028
  • [7] JARRETT L, 1979, HERBAL MED, P1
  • [8] TRITERPENOID SAPONINS FROM PULSATILLA-CAMPANELLA
    LI, XC
    WANG, DZ
    WU, SG
    YANG, CR
    [J]. PHYTOCHEMISTRY, 1990, 29 (02) : 595 - 599
  • [9] DETERMINATION OF ABSOLUTE-CONFIGURATION OF A SECONDARY HYDROXY GROUP IN A CHIRAL SECONDARY ALCOHOL USING GLYCOSIDATION SHIFTS IN C-13 NUCLEAR MAGNETIC-RESONANCE SPECTROSCOPY
    SEO, S
    TOMITA, Y
    TORI, K
    YOSHIMURA, Y
    [J]. JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1978, 100 (11) : 3331 - 3339
  • [10] TORI K, 1977, TETRAHEDRON LETT, P179