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June 25, 1998Organometallics

The Ruthenium Acetylide Catalyzed Cross-Coupling Reaction of Terminal and Internal Alkynes: Isolation of a Catalytically Active β-Agostic Intermediate Species

Chae S. Yi Nianhong Liu

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Abstract

The in situ generated ruthenium acetylide complex C 5 Me 5 (PPh 3 )RuC⋮CPh ( 1 ) was found to catalyze the cross-coupling reaction of terminal and internal alkynes to yield functionalized enynes. An intermediate β-agostic species was isolated from the reaction of C 5 Me 5 (PPh 3 )(Cl)Ru C CHBu- t ( 2b ) with 2-butyne in the presence of NaOMe.

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Yi et al. (1998) studied this question.

synapsesocial.com/papers/6a9086e1039ece43b30d55b2 https://doi.org/10.1021/om980405g

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