The isolation and structure elucidation of two dimeric lemittins from fingered citron

Abstract

Two photochem. products, cis-head-to-tail-limettin dimer (I) and cis-head-to-head-limettin dimer, were isolated from the fruit of fingered citron (Citrus medica sarcodactylis), a traditional Chinese medicine. The structures of these dimers were elucidated by the data from IR, NMR, and x-ray diffraction. I and the trans-head-to-head-limettin dimer (II) were synthesized from limettin upon UV irradiation

Key words: PHOTOCHEMICAL REACTION, DIMER, INFRARED SPECTROPHOTOMETRY, X-RAY DIFFRACTION ANALYSIS, NMR SPECTROMETRY, ESSENTIAL OIL, METHOXY GROUP, COUMARIN P, STRUCTURAL ANALYSIS, CISTUS MEDICA VAR SARCODACT, CITRUS LIMON

CLC Number:

O629
R93

Cite this article

HE HAIYIN;LING LUOQING;ZHOU MINHUA. The isolation and structure elucidation of two dimeric lemittins from fingered citron[J]. Chin. J. Org. Chem., 1987, 7(3): 193-196.

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从中药佛手中分离鉴定两个柠橡油素二聚体