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Archive for the ‘Diseases’ Category

Mbandakamines A and B

Posted by naturalproductman on May 16, 2013

Gerhard Bringmann and co-workers at the University of Wurzberg have reported in OL on the isolation of anti-malarial mbandakamines A and B.
mbandakamines

OL paper

Posted in Alkaloids, Diseases, Malaria | Leave a Comment »

Myriberine A

Posted by naturalproductman on January 17, 2013

Xiao-Jiang Hao and co-workers from the Chinese Academy of Sciences have reported in Organic Letters on the isolation of myriberine A, a pentacyclic alkaloid.

alkaloid

OL paper

Posted in Alkaloids, Diseases, Hepatitis C | Leave a Comment »

Densanins A and B

Posted by naturalproductman on December 5, 2012

Jung-Rae Rho and co-workers at Kunsan University in Korea have reported in Organic Letters on the isolation of densanins A and B, some pyrrole containing alkaloids, with  IC50 values of 1.05 and 2.14 μM against lipopolysaccharide-induced nitric oxide production in BV2 microglial cells.

 

densanins

OL paper

Posted in Alkaloids, Diseases | Leave a Comment »

HIV-1 reverse transcriptase structure with catechol diether

Posted by naturalproductman on November 19, 2012

Karen Anderson and co-workers at Yale have reported in JACS on a crystal structures of HIV-1 reverse transcriptase with catechol diether drugs.

HIV

JACS paper

Posted in Aromatic, Diseases, Enzymes, HIV, Proteins | Leave a Comment »

Anti-protozoal cristaxenicin A

Posted by naturalproductman on November 19, 2012

Yoichi Nakao and co-workers from Waseda University have reported in JOC on the isolation of cristaxenicin A, which had activities against Leishmania amazonensis (IC50 value of 0.088 μM) and Trypanosoma congolense (IC50 value of 0.25 μM).

crystaxenicin A

JOC paper

Posted in Anti-protozoal, Diseases, Trophy Targets | Leave a Comment »

Amphilectene synthesis

Posted by naturalproductman on November 16, 2012

Ryan Shenvi and colleague at Scripps have reported in JACS on the synthesis of amphilectene, an antimalarial compound.

amphilectene

JACS paper

Posted in Diseases, Malaria, Terpenoids, Total Synthesis | Leave a Comment »

Gracilioether H has anti-malarial activity

Posted by naturalproductman on October 23, 2012

Angela Zampella and co-workers have reported in Tetrahedron on the isolation of gracilioethers.  Gracilioether H had anti-malarial activity.

gracilioether H

Tetrahedron paper

Posted in Diseases, Malaria, Methodology, Peroxides | Leave a Comment »

Type 2 diabetes therapeutic?

Posted by naturalproductman on October 23, 2012

Here’s a study by Zhong-Yin Zhang and co-workers at Indiana University on a PTP-MEG2 inhibitor.

diabetes 2

JACS paper

Posted in Chemical Biology, Diabetes Type 2, Diseases, Methodology, Protein Targets, protein tyrosine phosphatase 1B (PTP1B), Proteins | Leave a Comment »

Epicoccin G, 8,8ʹ-epi-ent-Rostratin B, Gliotoxin, Gliotoxin G, Emethallicin E and Haematocin – total synthesis

Posted by naturalproductman on September 18, 2012

Nicolaou and co-workers have reported in JACS on the syntheses and anti-malarial activities of some polythio compounds.

JACS paper

Posted in Alkaloids, Diseases, Malaria, Methodology, Total Synthesis | Leave a Comment »

Artemisinin synthesis

Posted by naturalproductman on August 6, 2012

Silas Cook and colleague at Indiana University have reported in JACS on a synthesis of artemisinin using a molybdenum promoted in situ formation of singlet oxygen to form the endoperoxide.

hydrogen peroxide

JACS paper

Posted in Cascade Reactions, Diseases, Malaria, Methodology, Molybdenum, Total Synthesis, Transition Metal | Leave a Comment »

 
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