Naturalproductman’s Blog

Hey, is that a natural product?!

Haouamine B pentaacetate synthesis

Posted by naturalproductman on October 11, 2014

Hidetoshi Tokuyama and co-workers from Tohoku University have reported in ACIE on the synthesis of haouamine B pentaacetate.

haouamine B

ACIE paper

Posted in Alkaloids, Structural Reassignment, Total Synthesis | Leave a Comment »

Spinosyn A, chemoenzymatically

Posted by naturalproductman on October 11, 2014

Hung-Wen Liu and co-workers from UT Austin have reported in ACIE on the chemoenzymatic synthesis of spinosyn A.

spinosyn A

 

ACIE paper

Posted in Chemical Biology, Chemoenzymatic | Leave a Comment »

Hapalindole alkaoid syntheses

Posted by naturalproductman on October 11, 2014

Ang Li and co-workers from SIOC have reported in ACIE on the syntheses of hapalindole compounds.

hapalindole

ACIE paper

Posted in Alkaloids, Indoles, Total Synthesis | Leave a Comment »

Δ9-THC synthesis

Posted by naturalproductman on October 11, 2014

Erick Carreira and co-workers have reported in ACIE on the synthesis of dehydrotetrahydrocannabinol.

THC

ACIE paper

Posted in Dual Catalysis, Methodology, Total Synthesis | Leave a Comment »

N-methylwelwitindolinone B isothiocyanate synthesis

Posted by naturalproductman on October 11, 2014

Neil Garg and co-workers reported the synthesis of N-methylwelwitindolinone B isothiocyanate in JACS.

alkaloid

JACS paper

Posted in Alkaloids, Total Synthesis | Leave a Comment »

Interrupted Nazarov

Posted by naturalproductman on October 7, 2014

FG West and co-workers from the University of Alberta have reported in an Nazarov cyclization study combining DFT and experiment to explain the diastereoselectivity.

 

 

JACS paper

Posted in Cascade Reactions, Methodology, Named Reactions, Nazarov cyclization | Leave a Comment »

Unified strategies are in

Posted by naturalproductman on October 7, 2014

Jieping Zhu and co-workers from CNRS have reported in JACS on the syntheses of some alkaloids, goniomitine, 1,2-dehydroaspidospermidine, aspidospermidine, vincadifformine, and kopsihainanine A.

 

JACS paper

Posted in Alkaloids, Indoles, Total Synthesis | Leave a Comment »

Rakicidin A synthesis

Posted by naturalproductman on October 7, 2014

Yue Chen and co-workers from Nankai University have reported in JACS on the synthesis of rakicidin A, which has inhibitory activity towards cancer stem cells.

 

 

JACS paper

Posted in Macrocycles, Total Synthesis | Leave a Comment »

Not just benzynes anymore: cyclohexyne and cylcopentyne

Posted by naturalproductman on October 7, 2014

Neil Garg and co-workers have reported in JACS on an annulation process involving cyclohexynes.

 

JACS paper

Posted in Cascade Reactions, Methodology | Leave a Comment »

On tramadol

Posted by naturalproductman on October 4, 2014

Michael Spiteller and co-workers at TU Dortmund have reported in ACIE that tramadol is actually not a natural product. This study just points out the importance of uncovering the biosynthesis pathways of natural products.

tramadol

 

ACIE paper

 

Old post on tramadol

Posted in Unnatural Products | Leave a Comment »

 
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