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Inside Cover: C sp 3 H Bond Activation Triggered by Formation of Metallacycles: Rhodium(I)‐Catalyzed Cyclopropanation/Cyclization of Allenynes (Angew. Chem. Int. Ed. 29/2012)
Author(s) -
Oonishi Yoshihiro,
Kitano Yoshitaka,
Sato Yoshihiro
Publication year - 2012
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201204860
Subject(s) - cyclopropanation , rhodium , int , cover (algebra) , catalysis , chemistry , medicinal chemistry , stereochemistry , organic chemistry , engineering , computer science , operating system , mechanical engineering
Transition‐metal‐catalyzed activations of C sp 3H bonds usually need the assistance of directing groups for site‐selective activation. In their Communication on page 7305 ff. , Y. Oonishi, Y. Sato, and co‐workers describe a new method for the activation of C sp 3H bonds; this activation is triggered by the formation of a metallacycle. In the picture, the statue of Dr. William S. Clark points out the hydrogen that should be activated in the key step of this reaction.