Secondary Metabolites from <i>Bryophyllum daigremontianum</i>

Kamrun Nahar; Mohammad GU Khan; Mohammad S Rahman; Choudhury M Hasan; Mohammad A Rashid

doi:10.3329/dujps.v7i2.2169

Authors

Kamrun Nahar Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka, Dhaka-1000
Mohammad GU Khan Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka, Dhaka-1000
Mohammad S Rahman Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka, Dhaka-1000
Choudhury M Hasan 1Department of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Dhaka, Dhaka-1000
Mohammad A Rashid Centre for Biomedical Research, University of Dhaka, Dhaka-1000

DOI:

https://doi.org/10.3329/dujps.v7i2.2169

Keywords:

Bryophyllum daigremontianum, Crassulaceae, 11-oxo-epi-Î²-amyrin, 21-dehydrodesmosterol, 3, 4-dihydroxy-cis-cinnamic acid, p-hydroxybenzaldehyde

Abstract

A total of four compounds were isolated from the n-hexane soluble fraction of a methanolic extract of the whole plant of Bryophyllum daigremontianum. The structures of the isolated compounds were elucidated as 11-oxo-epi-Î²-amyrin (1), 21-dehydrodesmosterol (2), 3,4-dihydroxy-cis-cinnamic acid (3), and p-hydroxy-benzaldehyde (4) by high field NMR analyses as well as by comparison with structurally related compounds.

Key words: Bryophyllum daigremontianum, Crassulaceae, 11-oxo-epi-Î²-amyrin, 21-dehydrodesmosterol, 3,4-dihydroxy-cis-cinnamic acid, p-hydroxybenzaldehyde.

doi: 10.3329/dujps.v7i2.2169

Dhaka Univ. J. Pharm. Sci. 7(2): 141-144, 2008 (December)

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Secondary Metabolites from <i>Bryophyllum daigremontianum</i>

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