Allenylidene-to-indenylidene rearrangement in arene-ruthenium complexes: A key step to highly active catalysts for olefin metathesis reactions

R Castarlenas, C Vovard, C Fischmeister…

Index: Castarlenas, Ricardo; Vovard, Chloe; Fischmeister, Cedric; Dixneuf, Pierre H. Journal of the American Chemical Society, 2006 , vol. 128, # 12 p. 4079 - 4089

Full Text: HTML

Citation Number: 94

Abstract

The allenylidene-ruthenium complexes [(η6-arene) RuCl (CC CR2)(PR'3)] OTf (R2= Ph; fluorene, Ph, Me; PR'3= PCy3, PiPr3, PPh3)(OTf= CF3SO3) on protonation with HOTf at-40° C are completely transformed into alkenylcarbyne complexes [(η6-p-cymene) RuCl (⋮ CCH CR2)(PR3)](OTf) 2. At-20° C the latter undergo intramolecular rearrangement of the allenylidene ligand, with release of HOTf, into the indenylidene group in derivatives [(η6- ...

Related Articles:

2, 3-Disubstituted indoles from olefins and hydrazines via tandem hydroformylation–Fischer indole synthesis and skeletal rearrangement

[Linnepe, Petra; Schmidt, Axel M.; Eilbracht, Peter Organic and Biomolecular Chemistry, 2006 , vol. 4, # 2 p. 302 - 313]

Ru-catalyzed cyclization of terminal alkynals to cycloalkenes

[Varela, Jesus A.; Gonzalez-Rodriguez, Carlos; Rubin, Silvia G.; Castedo, Luis; Saa, Carlos Journal of the American Chemical Society, 2006 , vol. 128, # 30 p. 9576 - 9577]

First ruthenium complexes with a chelating arene carbene ligand as catalytic precursors for alkene metathesis and cycloisomerisation

[New Journal of Chemistry, , vol. 25, # 4 p. 519 - 521]

Copper??Catalyzed Domino Homologation and Cycloisomerization Reactions for 3??Pyrroline Synthesis

[Shin, Ye Ho; Maheswara, Muchchintala; Hwang, Joon Young; Kang, Eun Joo European Journal of Organic Chemistry, 2014 , vol. 2014, # 11 p. 2305 - 2311]

A highly regio-and stereoselective formation of bicyclo [4.2. 0] oct-5-ene derivatives through thermal intramolecular [2+ 2] cycloaddition of allenes

[Ohno, Hiroaki; Kadoh, Yoichi; Fujii, Nobutaka; Tanaka, Tetsuaki Organic Letters, 2006 , vol. 8, # 5 p. 947 - 950]

More Articles...