J Integr Plant Biol. ›› 2006, Vol. 48 ›› Issue (10): -.DOI: 10.1111/j.1744-7909.2006.00326.x

• Research Articles •    

Iridoid Glycosides from Pedicularis dolichocymba Hand.-Mazz.

Hong-Biao Chu and Ning-Hua Tan   

Abstract: During investigation of the chemical constituents of the whole plant ethanol extract of Pedicularis dolichocymba Hand.-Mazz. (Scrophulariaceae), four new iridoid glycosides, dolichocymbosides A (compound 1), B (compound 2), C (compound 3) and D (compound 4), were isolated. Their structures were determined based on spectral data including 1D and 2D-nuclear magnetic resonance spectroscopy (1H-1H COSY, HSQC, HMBC, ROESY) and FAB-MS. (Author for correspondence. Tel (Fax): +86 (0)871 5223 800; E-mail: nhtan@mail.kib.ac.cn)

Key words: dolichocymboside A, D, iridoid glycosides, Pedicularis dolichocymba, Scrophulariaceae.

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