Selective Isolation of 1,8-Cineole from Volatile Oil of Flos Magnoliae(Xin Yi) via Inclusion Crystalline

Abstract

Abstract: We used 1,1,6,6-tetraphenylhexa-2,4-diyne-1,6-diol(A) as the host molecule to selectively recognize the component 1,8-cineole(B) in the volatile oil of Flos Magnoliae(Xin Yi). The inclusion compound(A+B) was formed as crystalline, and the structure was confirmed by means of IR, (¹H NMR), and single crystal X-ray diffraction, with the 1∶2 molar ratios of the host to the guest. The component 1,8-cineole(B) was selectively isolated from the inclusion compound(A+B) by Kugelrohr vaccum technology, and then further characterized by IR, ¹H NMR and ¹³C NMR. The whole components in the volatile oil of Flos Magnoliae(Xin Yi) and the isolation effect of 1,8-cineole isolated from inclusion crystals were analyzed by GC and GC-MS, respectively. The result indicate that the good isolation effect is given by the inclusion method, with purity and yield of the component 1,8-cineole(B) separated from the volatile oil of Flos Magnoliae are 100% and 85%, respectively.

Key words: Molecular recognition, Inclusion compounds, Volatile oil of Flos Magnoliae(Xin Yi), (1,8-Cineole), Isolation

CLC Number:

O626

TrendMD:

GUO Wen-Sheng, GUO Fang, TONG Jian, CHANG Jian, CAI Yun-Ping, LIU Cheng-Yan, HOU Dong-Yan, HUI Rui-Hua . Selective Isolation of 1,8-Cineole from Volatile Oil of Flos Magnoliae(Xin Yi) via Inclusion Crystalline[J]. Chem. J. Chinese Universities, 2005, 26(5): 883.

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Selective Isolation of 1,8-Cineole from Volatile Oil of Flos Magnoliae(Xin Yi) via Inclusion Crystalline

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