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Archive for the ‘Methodology’ Category

4-Hydroxycyclopentenones from furans

Posted by naturalproductman on November 16, 2014

Javier Read de Alaniz and co-workers from UCSB have reported in Tetrahedron Letters on the synthesis of cyclopentenones from furans through a Piancatelli rearrangement.
Piancatelli
TL paper

Posted in Cascade Reactions, Methodology, Named Reactions, Piancatelli rearrangement, Ring Opening | 1 Comment »

Lyngbyaloside B synthesis

Posted by naturalproductman on November 16, 2014

Hauruhiko Fuwa and co-workers at Tohoku University have reported in ACIE on the synthesis of lyngbyaloside B.

synthesis

ACIE paper

Posted in Methodology, Total Synthesis | Leave a Comment »

Rubriflordilactone A synthesis

Posted by naturalproductman on November 14, 2014

Ang Li and co-workers from SIOC have reported in JACS on the synthesis of rubriflordilactone A.
rubriflordilactone A

JACS paper

Posted in Methodology, Total Synthesis | Leave a Comment »

Thioalkynes from hypervalent iodine

Posted by naturalproductman on November 14, 2014

Jerome Waser and colleagues at EPFL have reported in JACS on a way to synthesize thioalkynes from hypervalent iodine.

iodine

JACS paper

Posted in Cascade Reactions, Methodology, Sulfur chemistry | 1 Comment »

Depolymerization of oxidized lignins

Posted by naturalproductman on November 13, 2014

Shannon Stahl and co-workers have reported in Nature on a depolymerization process of oxidized lignins induced by formic acid.

 

Nature paper

Posted in Cascade Reactions, Depolymerization, Methodology | Leave a Comment »

Imaging bacterial infections

Posted by naturalproductman on November 10, 2014

Niren Murthy and co-workers from UC Berkeley have reported in ACIE on a way to image bacterial infections.

bacteria

ACIE paper

Posted in Chemical Biology, Imaging, Methodology | Leave a Comment »

Difluorination using hypervalent iodine

Posted by naturalproductman on November 10, 2014

Kálmán J. Szabó and co-workers from Stockholm University have reported in ACIE on a difluorination of styrene using a hypervalent iodide reagent.

fluorination
ACIE paper

Posted in Cascade Reactions, Hypervalent Iodine, Methodology | Leave a Comment »

Pyridines from aziridines

Posted by naturalproductman on November 10, 2014

Masahiro Yoshida and co-workers from the University of Tokushima have reported in ACIE on the synthesis of pyridines from aziridines.

pyridine

ACIE paper

Posted in Cascade Reactions, Methodology | Leave a Comment »

Phenolic coupling for morphine

Posted by naturalproductman on November 10, 2014

Matthew Gaunt and co-workers from the University of Cambridge have reported in ACIE on the formal synthesis of morphine through an oxidative phenolic coupling.

morphine

ACIE paper

Posted in Alkaloids, Cascade Reactions, Hypervalent Iodine, Methodology, Total Synthesis | Leave a Comment »

Furan to cyclopentenone from singlet oxygen

Posted by naturalproductman on November 10, 2014

Georgios Vassilikogiannakis from the University of Crete have reported in ACIE on the synthesis of cyclopentenones from furans through an endoperoxide intermediate.
furan

ACIE paper

Posted in Cascade Reactions, Methodology | Leave a Comment »

 
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