Cetyl triacontanoate and other constituents from Acacia jacquemontii and Kigelia pinnata

Centre of Advanced Studies, Department of Chemistry, University of Rajasthan, Jaipur-302 004, Rajasthan, India E-mail : pahupsingh@yahoo.co.uk Manuscript received 1 March 2010, accepted 17 May 2010 Leaves or Acacia jacquemontii on chemical Investigation afforded a new aliphatic ester - cetyl triacontanoate along with n-triacontanol, n-octacosanol, β-silosterol and stigmasterol while the heartwood of Kigelia pinnata gave lapachol, dehydro-α-lapachone, tecomaqulnone-I, D-sesamin, paulownin, wodeshiol (kigeliol), kigelinone, β-sltosterol and stigmasterol on reinvestigation. The structures or Isolated compounds were ascertained using various spectral (IR, 1H, 13C NMR,MS) techniques