A phytochemical study has been carried out on CH 2 Cl 2 extract of Alphonsea cylindrica
leaves, resulting in the isolation of three new morphinan alkaloids. They are kinomenine (1) …

A phytochemical study of Alphonsea cylindrica King (unreported) has led to the isolation of
six alkaloids. The compounds were identified as kinabaline (1; azafluorenone alkaloid) …

The methanol stem bark extract of A. boonei and methanol seed extract of P. nitida, were
subjected to purification using chromatographic techniques. A. boonei yielded loganic acid …

Three phenylethanoid glycosides, forsythoside B (1), phlinoside C (2) and verbascoside (3),
were isolated from the methanol extract of the leaves of Phlomis lanceolata, an Iranian …

This study investigated bioactive extracts of Polyalthia debilis (Annonaceae) with
antimicrobial, antimalarial and cytotoxic activities. Extensive chromatographic isolations …

Estimation of Antibacterial efficacy in alkaloids of different parts (Root, Stem, Bark, Flower
and Gum) of Anogeissus rotundifolia against some pathogenic micro-organisms (bacteria) …

The oxoaporphine alkaloid lysicamine (1), and three proaporphine alkaloids, litsericinone
(2), 8, 9, 11, 12-tetrahydromecambrine (3) and hexahydromecambrine A (4) were isolated …

Abstract Three new diterpene alkaloids, 16, 17-dihydro-12β, 16β-epoxynapelline (1), N-
deethyl-N-methyl-12-epi-napelline (2) and 11-epi-16α, 17-dihydroxylepenine (3), along with …

Antibacterial and antifungal activities of Lithospermum ccinescens roots extract and
acetylshikonin, isobutyrylshikonin—naphthoquinone derivatives isolated from them were …

Bioassay-guided isolation studies on the root extract of Polyalthia longifolia var. pendula
possessing significant antibacterial activity led to the isolation of three new alkaloids …