The Biosynthesis of Artemisinin (Qinghaosu) and the Phytochemistry of Artemisia annua L. (Qinghao)

GD Brown - Molecules, 2010 - mdpi.com
The Chinese medicinal plant Artemisia annua L.(Qinghao) is the only known source of the
sesquiterpene artemisinin (Qinghaosu), which is used in the treatment of malaria …

Peroxy natural products

DA Casteel - Natural Product Reports, 1992 - pubs.rsc.org
Nerolidol and Davanone Derivatives Bisabolene Derivatives Germacranes and
Germacranolides Eudesmanes and Eudesmanolides Guaianes and Guaianolides Other …

The deoxygenation and isomerization of artemisinin and artemether and their relevance to antimalarial action

CW Jefford, MGH Vicente, Y Jacquier… - Helvetica chimica …, 1996 - Wiley Online Library
The treatment of artemisinin (1) and β‐artemether (6) with Zn dissolving in AcOH for a few
hours results in mono‐deoxygenation giving deoxyartemisinin (5) and deoxy‐β‐artemether …

Artemisia annua L.: a source of novel antimalarial drugs

HJ Woerdenbag, CB Lugt, N Pras - Pharmaceutisch Weekblad, 1990 - Springer
Artemisia annua L. contains artemisinin, an endoperoxide sesquiterpene lactone, mainly in
its leaves and inflorescences. This compound and a series of derivatives have attracted …

EPR evidence for the involvement of free radicals in the iron-catalysed decomposition of qinghaosu (artemisinin) and some derivatives; antimalarial action of some …

AR Butler, BC Gilbert, P Hulme, LR Irvine… - Free radical …, 1998 - Taylor & Francis
EPR experiments confirm that reaction of qinghaosu and some related endoperoxides with
Fe2+ in aqueous acetonitrile leads to the production of carbon-centred radicals derived by …

The binding modes and binding affinities of artemisinin derivatives with Plasmodium falciparum Ca2+-ATPase (PfATP6)

PK Naik, M Srivastava, P Bajaj, S Jain, A Dubey… - Journal of molecular …, 2011 - Springer
Noncompetitive inhibitors of sarco/endoplasmic reticulum Ca 2+-ATPase (SERCA)
orthologue (PfATP6) of P. falciparum have important therapeutic value in the treatment of …

Stereoelectronic properties of antimalarial artemisinin analogues in relation to neurotoxicity

AK Bhattacharjee, JM Karle - Chemical research in toxicology, 1999 - ACS Publications
Quantum chemical calculations on the molecular electronic structure of artemisinin
(qinghaosu) and eight of its derivatives have resulted in stereoelectronic discriminators that …

Interaction between artemisinin and heme. A Density Functional Theory study of structures and interaction energies

JQ Araújo, JW de Mesquita Carneiro… - Bioorganic & medicinal …, 2008 - Elsevier
Malaria is an infectious disease caused by the unicellular parasite Plasmodium sp.
Currently, the malaria parasite is becoming resistant to the traditional pharmacological …

A study on antimalarial artemisinin derivatives using MEP maps and multivariate QSAR

FJB Cardoso, AF de Figueiredo… - Journal of molecular …, 2008 - Springer
Artemisinin and some derivatives with activity against D-6 strains of Plasmodium falciparum
were studied. Molecular electrostatic potential (MEP) maps were used in an attempt to …

Phytochemistry of Artemisia annua and the development of artemisinin-derived antimalarial agents

RS Bhakuni, DC Jain, RP Sharma - Artemisia, 2001 - taylorfrancis.com
The purpose of this chapter is to review the phytochemistry of Artemisia annua and to
discuss the biosynthesis, extraction and isolation of artemisinin as well as derivatives of …