Syntheses of Variations of Stereogenic-at-Metal Imido Alkylidene Complexes of Molybdenum
作者:Smaranda C. Marinescu、Victor W. L. Ng、Alejandro G. Lichtscheidl、Richard R. Schrock、Peter Müller、Michael K. Takase
DOI:10.1021/om300585s
日期:2012.9.10
2-CNPyr = 2-cyanopyrrolide), Mo(NAd)(CHCMe2Ph)(MesPyr)(OTPP) (2a; OTPP = 2,3,5,6-tetraphenylphenoxide), Mo(NAd)(CHCMe2Ph)(MesPyr)(OBr2Bitet) (2b; OBr2Bitet = (R)-3,3′-dibromo-2′-(tert-butyldimethylsilyloxy)-5,5′,6,6′,7,7′,8,8′-octahydro-1,1′-binaphthyl-2-olate), Mo(NAd)(CHCMe2Ph)(OHIPT)(2-Mespyr) (2c; HIPT = 2,6-(2,4,6-iPr3C6H2)2C6H3), Mo(NAd)(CHCMe2Ph)(OTf)(OHIPT) (3), Mo(NAd)(CHCMe2Ph)(OTf)(OHIPT)(PMe3)
在本文中,我们描述了几种新型的钼金属立体异构金属亚胺基亚烷基络合物,Mo(NR)(CHR')(X)(Y)的合成,其中许多必须通过选择性的亚氨基亲核取代反应来制备亚烷基络合物。报告的化合物包括Mo(NAd)(CHCMe 2 Ph)(MesPyr)2(1a ; MesPyr = 2-甲巯基吡咯化物,Ad = 1-金刚烷基),Mo(NAd)(CHCMe 2 Ph)(2-CNPyr)2(1b ; 2-CNPyr = 2-氰基吡咯化物),Mo(NAd)(CHCMe 2 Ph)(MesPyr)(OTPP)(2a ; OTPP = 2,3,5,6-四苯酚),Mo(NAd)(CHCMe 2 Ph) (MesPyr)(OBr 2 Bitet)(2b ; OBr2位=(R)-3,3'-二溴-2'-(叔丁基二甲基甲硅烷氧基)-5,5 ',6,6',7,7',8,8'-八氢-1,1'-联萘-2-酸),Mo(NAd)(CHCMe