Naturalproductman’s Blog

Hey, is that a natural product?!

Diyne desymmetrization

Posted by naturalproductman on May 21, 2013

Ulrich Hennecke and co-workers at the Universitat Munster have reported in JAC on a desymmetrization of a diyne.

Diyne

JACS paper

Posted in Alkaloids, Asymmetric, Cascade Reactions, Methodology, Organocatalytic | Leave a Comment »

Desymmetrizing oxetanes

Posted by naturalproductman on May 21, 2013

Jianwei Sun and co-workers from the Hong Kong University of Science and Technology have reported in ACIE on a desymmetrization of oxetanes using a phosphoric acid catalyst.

desymmetrization

ACIE paper

Posted in Asymmetric, Desymmetrization, Methodology | Leave a Comment »

Roxbin B

Posted by naturalproductman on May 21, 2013

Hidetoshi Yamada and co-workers at Kwansei Gakuin University have reported in JOC on a structural reassignment concluding that roxbin B is cuspinin.

roxbin B

JOC paper

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

Long C-O bond

Posted by naturalproductman on May 21, 2013

Mark Mascal and co-workers at UC Davis have published in JACS on a long C-O bond in an oxonium ion.

ion

JACS paper

Posted in Methodology | Leave a Comment »

Spectral Database for Instructors

Posted by naturalproductman on May 20, 2013

Andrew Harned’s group in Minnesota has put up a site on spectral database for instructors. It would be useful for any chemist if they wanted to find the FID for any NMR spectrum of a compound they are trying to make.  I think this would be actually a good idea to have for any compound in general as proof of compound synthesized.  It would be nice if we don’t have to be instructors to use it though.

JCE paper

Posted in Random | Leave a Comment »

Dictyostatin synthesis

Posted by naturalproductman on May 17, 2013

James Leighton and co-workers have reported in ACIE on the synthesis of dictyostatin.

dictyostatin

ACIE paper

Posted in Macrolides, Methodology, Total Synthesis | Leave a Comment »

BE-43472B synthesis

Posted by naturalproductman on May 17, 2013

Keisuke Suzuki and co-workers at Tokyo Institute of Technology have reported in ACIE on the synthesis of

antibiotic

ACIE paper

Posted in Antibiotics, Methodology, Total Synthesis | Leave a Comment »

Transtaganolide syntheses

Posted by naturalproductman on May 17, 2013

Brian Stoltz and co-workers have reported in ACIE on the syntheses of transtaganolides through an Ireland-Claisen rearrangement/Diels-Alder cascade.

ICR/DA

ACIE paper

Posted in Asymmetric, Cascade Reactions, Claisen rearrangement, Diels-Alder, Methodology, Named Reactions, Sesquiterpenes, Total Synthesis | Leave a Comment »

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 »

Cinchona alkaloid catalyzed proton transfer

Posted by naturalproductman on May 14, 2013

Jin-Pei Cheng and co-workers from Nankai University have reported in JACS on a biomimetic proton transfer.

biomimetic

JACS paper

Posted in Asymmetric, Methodology, Organocatalytic | Leave a Comment »

 
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