8β, 13β-Dihydroxypodocarpane and eight C-13 substituted derivatives were prepared from
the precursor 8β-hydroxy-13-podocarpanone synthesised from the naturally occurring …

This thesis is divided into two parts, assessing marine and synthetic compounds active firstly
against Plasmodium falciparum (Chapter 3 and 4) and secondly active against methicillin …

13, 14-Dihydroxy-8, 11, 13-podocarpatrien-7-one (1) and a series of ring C aromatic
diterpene derivatives were synthesised from (+)-manool (4) and evaluated for their cytotoxic …

Naturally occurring pterocarpans 1a, b, pterocarpan 1c, isoflavane 2 and ortho-quinone 3
were synthesized in the racemic form and their cytotoxic effect was evaluated on the human …

The synthesis of podocarpanes, including 12, 19-dihydroxy-13-acetyl-8, 11, 13-
podocarpatriene (23), isolated from Gaultheria yunnanensis and not previously synthesized …

Synthesis of the naturally occurred 3-acetyl sandwicensin (2) and 2, 7-dibromosandwicensin
(3) was carried out by acetylation and bromination reaction, respectively. The pterocarpan …

A bioactivity guided fractionation of roots of Canthium multiflorum led to the isolation of the
new ursenoic acid derivative 19α-hydroxy-3-oxo-ursa-1, 12-dien-28-oic acid (1), which …

Syncarpamide 1, a norepinephrine alkaloid isolated from the leaves of Zanthoxylum
syncarpum (Rutaceae) exhibited promising antiplasmodial activities against Plasmodium …

Resistance of plasmodia parasites, Cryptococcus neoformans and methicillin resistant
Staphylococcus aureus to the available medications are a major cause of concern …

A pterocarpan, 2, 3, 4, 8-tetramethoxy-6a, 11a-dihydro-6H-benzo [4, 5] furo [3, 2-c]
chromene-7, 9-diol (compound 1) was isolated from the dichloromethane extract of the …