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Back Cover: Diastereoselective [3+2] Annulation of Aromatic/Vinylic Amides with Bicyclic Alkenes through Cobalt‐Catalyzed C−H Activation and Intramolecular Nucleophilic Addition (Angew. Chem. Int. Ed. 13/2016)
Author(s) -
Gandeepan Parthasarathy,
Rajamalli Pachaiyappan,
Cheng ChienHong
Publication year - 2016
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201601760
Subject(s) - annulation , chemistry , intramolecular force , bicyclic molecule , nucleophile , catalysis , cobalt , reactivity (psychology) , medicinal chemistry , nucleophilic addition , stereochemistry , organic chemistry , medicine , alternative medicine , pathology
The unique reactivity of a cobalt catalyst enables the diastereoselective [3+2] annulation of amides and alkenes instead of a [4+2] or [4+1] annulation. In their Communication on page 4308 ff., C.‐H. Cheng et al. describe the diastereoselective synthesis of pentacyclic fluorenone derivatives from aromatic/vinylic secondary amides and bicyclic alkenes by cobalt‐catalyzed C−H activation and intramolecular nucleophilic addition.

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