Z-Selective olefin metathesis reactions promoted by tungsten oxo alkylidene complexes

…, MK Takase, P Müller, AH Hoveyda

Index: Marinescu, Smaranda C.; Levine, Daniel S.; Zhao, Yu; Schrock, Richard R.; Hoveyda, Amir H. Journal of the American Chemical Society, 2011 , vol. 133, # 30 p. 11512 - 11514

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Citation Number: 87

Abstract

Addition of LiOHMT (OHMT= O-2, 6-dimesitylphenoxide) to W (O)(CH-t-Bu)(PMe2Ph) 2Cl2 led to WO (CH-t-Bu) Cl (OHMT)(PMe2Ph)(4). Subsequent addition of Li (2, 5-Me2C4H2N) to 4 yielded yellow W (O)(CH-t-Bu)(OHMT)(Me2Pyr)(PMe2Ph)(5). Compound 5 is a highly ...