The interest in herbal medicine as a source of drug leads is being reinforced, especially for
tackling challenging therapeutic areas such as antimicrobial resistance, cardiovascular …

The oxidosqualene cyclase (OSC) catalyzed cyclization of the linear substrate (3S)‐2, 3‐
oxidosqualene to form diverse pentacyclic triterpenoid (PT) skeletons is one of the most …

Among the biologically active triterpenes, friedelin has the most-rearranged structure
produced by the oxidosqualene cyclases and is the only one containing a cetonic group. In …

Two ternary copper (II) complexes 1 [(Cu2Me4en) 4 (EDTA)] and 2 [(CuMe4en) 2 (MIDA)]
containing the mixed ligand system of 1, 1′, 4, 4′-tetramethylethylenediamine (Me4en)(L) …

The hexadentate ligand containing quinoxaline backbone along with its Cu (II)-based
complexes with various anionic ligands were synthesized and their structures were …

Based on the bridge alkyl chain length between the two azomethine linkages of the bis ortho
naphtholimine ligands, two synthetic techniques were used to prepare a novel series of …

Abstract Interaction of 2-picolylamine (2-PA) with Mn (II), Fe (III) and Co (II) chlorides in an
ethanolic solution yields two types of metal chelates. The analytical data, thermal analysis …

Ternary copper (II) complexes with the molecular formulae of [Cu II LL′] X or [Cu II LL′ X];
L= l-Valinate; L′= α, ά-bipyridyl or 1, 10-phenanthroline and X is Cl¯, Br¯, NO 3¯, AcO¯ …

Two new friedelane-type compounds 1 and 2 and five known pentacyclic triterpenes were
isolated from branches of Maytenus robusta. Their structures were identified as 3, 16-dioxo …

ABSTRACT The species Croton elegans Kunth, belonging to the family Euphorbiaceae and
known with the common name “mosquera”, is a native medicinal plant of Ecuador. Due to its …