Schisanwilsonene A synthesis

Antonio Echavarran and co-workers at ICIQ have reported in ACIE on a synthesis of schisanwilsonene A.

ACIE paper

Gomerone C synthesis

Erick Carreira and co-worker have reported in ACIE on the synthesis of gomerone C.

ACIE paper

Frondosin and liphagal via [4+3]

Ying Li and co-workers from Lanzhou University have reported in Organic Letters on the synthesis of frondosin B and 5-epi-liphagal via a [4+3] cycloaddition.

OL paper

Lactone and allene radical cyclization

David Procter and co-workers from the University of Manchester have reported in JACS on a SmI2-mediated radical cyclization of a lactone bearing an allene to form a 5,7-bicyclic ring system.

JACS paper

Steroid rearrangement

Hans Gunther-Schmalz and colleagues have reported in Organic Letters on a BF3-promoted rearrangement of a steroid backbone.

OL paper

Cationic cascade

Teck Peng Loh and co-workers from the University of Science and Technology in China have reported in ACIE on a cationic cascade to access 8-oxotropanes.

ACIE paper

A Heck reaction for a seven membered ring

Silas Cook and colleague at Indiana University have reported in Organic Letters on a formal synthesis of englerin.

OL paper

Friedel-Crafts cascade

Arun Ghosh and co-workers from Purdue have reported in Organic Letters on a Friedel-Crafts cascade to form a seven membered ring.

OL paper

Cyrneine A synthesis

Karl Gademann and co-workers from the University of Basel have reported in ACIE on the synthesis of cyrneine A.  Looking at the structure – 5,6,7-tricycle – I’d say that Nature knows how to count.

ACIE paper

Anti-HIV schilancitrilactone

Han-Dong Sun and co-workers from the Kunming Institute of Botany have reported in Organic Letters on the isolation of schilancitrilactones A-C.

OL paper