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Ruthenium‐Mediated Coupling/Cycloaddition of the Cyclopentadienyl Ligand in [{η 5 :σ‐Me 2 C(C 5 H 4 )(C 2 B 10 H 10 )}Ru(NCCH 3 ) 2 ] with Alkynes
Author(s) -
Sun Yi,
Chan HoiShan,
Zhao Haitao,
Lin Zhenyang,
Xie Zuowei
Publication year - 2006
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.200601650
Subject(s) - cyclopentadienyl complex , cycloaddition , ruthenium , alkyne , moiety , ligand (biochemistry) , chemistry , regioselectivity , combinatorial chemistry , steric effects , stereochemistry , organic chemistry , catalysis , biochemistry , receptor
Facile formation of tricycles : Ruthenium‐mediated coupling/cycloaddition of a cyclopentadienyl ligand with aromatic alkynes offers a facile route to tricyclic compounds (see scheme). The sterically demanding carborane moiety plays a crucial role in regioselective dimerization of alkynes (to give head‐to‐tail coupling products) and prevents alkyne trimerization.