Model Compounds of Ruthenium-Alkene Intermediates in Olefin Metathesis Reactions Export

@article{AndersonGrubbs, abstract = {Abstract: The development of a model system to study ruthenium-olefin complexes relevant to the mechanism of olefin metathesis is reported. Upon addition of 1,2-divinylbenzene to (H2IMes)(py2)(Cl)2Ru=CHPh (H2IMes = 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene), two ruthenium-olefin adducts are formed. On the basis of 1H NMR spectroscopy experiments and X-ray crystallographic analysis, these complexes are assigned as side-bound isomers in which the olefin and H2IMes ligands are coordinated cis to each other. The dynamic interconversion of these two ruthenium complexes was determined to have a barrier of 19.1 ± 0.1 kcal/mol.}, address = {Arnold and Mabel Beckman Laboratories of Chemical Synthesis, Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, and Department of Chemistry, Pomona College, Claremont, California 91711}, author = {Anderson, D. R. and Hickstein, D. D. and O'Leary, D. J. and Grubbs, R. H.}, citeulike-article-id = {2952203}, citeulike-linkout-0 = {http://dx.doi.org/10.1021/ja0618090}, citeulike-linkout-1 = {http://pubs.acs.org/doi/abs/10.1021/ja0618090}, day = {5}, doi = {10.1021/ja0618090}, journal = {J. Am. Chem. Soc.}, keywords = {metathesis, my-papers}, month = {July}, number = {26}, pages = {8386--8387}, posted-at = {2008-07-02 14:30:52}, priority = {0}, title = {Model Compounds of Ruthenium-Alkene Intermediates in Olefin Metathesis Reactions}, url = {http://dx.doi.org/10.1021/ja0618090}, volume = {128}, year = {2006} }

TY - JOUR ID - AndersonGrubbs L3 - citeulike-article-id:2952203 N2 - Abstract: The development of a model system to study ruthenium-olefin complexes relevant to the mechanism of olefin metathesis is reported. Upon addition of 1,2-divinylbenzene to (H2IMes)(py2)(Cl)2Ru=CHPh (H2IMes = 1,3-dimesityl-4,5-dihydroimidazol-2-ylidene), two ruthenium-olefin adducts are formed. On the basis of 1H NMR spectroscopy experiments and X-ray crystallographic analysis, these complexes are assigned as side-bound isomers in which the olefin and H2IMes ligands are coordinated cis to each other. The dynamic interconversion of these two ruthenium complexes was determined to have a barrier of 19.1 ± 0.1 kcal/mol. IS - 26 JF - J. Am. Chem. Soc. AD - Arnold and Mabel Beckman Laboratories of Chemical Synthesis, Division of Chemistry and Chemical Engineering, California Institute of Technology, Pasadena, California 91125, and Department of Chemistry, Pomona College, Claremont, California 91711 EP - 8387 TI - Model Compounds of Ruthenium-Alkene Intermediates in Olefin Metathesis Reactions VL - 128 SP - 8386 KW - metathesis KW - my-papers AU - Anderson, DR AU - Hickstein, DD AU - O'Leary, DJ AU - Grubbs, RH PY - 2006/07/05/ UR - http://dx.doi.org/10.1021/ja0618090 ER -