Journal
ORGANOMETALLICS
Volume 29, Issue 12, Pages 2761-2766Publisher
AMER CHEMICAL SOC
DOI: 10.1021/om1002717
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- DFG [178/13-1]
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[(NHC)RuCl2(3-phenylindenylid-1-ene)(py)] (1) serves as a convenient starting material for the synthesis of [NHC)(NHCewg)RuCl2(3-phenylindenylid-1-ene)] complexes 3a-3g utilizing [AgI-(NHCewg)] complexes (2) as NHC transfer reagents. The respective complexes 3 display excellent activities in RCM reactions leading to tetrasubstituted olefins. The most active precatalyst, 3f, is characterized by 3,4-dichloro and N,N'-diethyl substituents and can be obtained in 94% isolated yield. The redox potentials of complexes 3 and the crystal structure of 3g (3,4-dichloro and N,N'-diisopropyl substituents) were determined.
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