Infrared spectroscopic determination of the intramolecular hydrogen bonding of 18,19-anhydro sapogenin dimethyl ester of ilwxsaponin A

Chin. J. Org. Chem. ›› 1987, Vol. 7 ›› Issue (6): 462-465. Previous Articles Next Articles

毛冬青皂苷甲的18,19-脱水皂苷元二甲酯的红外光谱分子内氢键效应的研究

贺湘;刘淑卿;秦国伟

中国科学院上海药物研究所

发布日期:1987-12-25

Infrared spectroscopic determination of the intramolecular hydrogen bonding of 18,19-anhydro sapogenin dimethyl ester of ilwxsaponin A

HE XIANG;LIU SHUQING;QIN GUOWEI

Published:1987-12-25

Abstract

The intramol. hydrogen bonding of the title compound (I), the hydrolysis product of a new triterpenoid saponin isolated from Ilex pubescens Hook et Am. was studied by IR spectroscopic technique, and an assignment was made of its stereochem. configurations on the basis of comparison the effect of concns. and the peak shift before and after deuteration. The optimum experimental conditions, such as sample concns., thickness of sample cells etc., necessary for carrying out the determination was discussed.

Key words: SAPOGENIN, INFRARED SPECTROPHOTOMETRY, ILEX PUBESCENS, TRITERPENE, METHYL ESTER, HYDROGEN BONDS, DEHYDRATION, INTERMOLECULAR FORCES

CLC Number:

R93
O629

Cite this article

HE XIANG;LIU SHUQING;QIN GUOWEI. Infrared spectroscopic determination of the intramolecular hydrogen bonding of 18,19-anhydro sapogenin dimethyl ester of ilwxsaponin A[J]. Chin. J. Org. Chem., 1987, 7(6): 462-465.

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毛冬青皂苷甲的18,19-脱水皂苷元二甲酯的红外光谱分子内氢键效应的研究

Infrared spectroscopic determination of the intramolecular hydrogen bonding of 18,19-anhydro sapogenin dimethyl ester of ilwxsaponin A

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