Synthesis of Molybdenum Imido 2-Adamantylidene Complexes through α Hydrogen Abstraction
作者:Jordan W. Taylor、Richard R. Schrock、Charlene Tsay
DOI:10.1021/acs.organomet.0c00244
日期:2020.6.22
Mo(NAr)(Adene)(OTf)2(DME) (1, Adene = 2-adamantylidene) was prepared upon addition of triflic acid. Methods analogous to those that have been successful for synthesizing neopentylidene and neophylidene complexes were used to form Mo(NAr)(Adene)(OMes)2 (2; Mes = 2,4,6-trimethylphenyl), [Mo(NAr)(Adene)(OC6F5)2]2 (3), Mo(NAr)(Adene)(OC6F5)2(MeCN) (4), Mo(NAr)(Adene)(Cl)2(bipy) (5; bipy = 2,2′-bipyridine), M
将在乙醚中的2-金刚烷基MgBr加到Mo(NAr)2(Cl)2(DME)(Ar = 2,6- i -Pr 2 C 6 H 3)中,得到Mo(NAr)2(2-Ad)2( 2-Ad = 2-金刚烷基,DME = 1,2-二甲氧基乙烷),通过加入三氟甲磺酸制备了Mo(NAr)(Adene)(OTf)2(DME)(1,Adene = 2-金刚烷)。使用类似于已成功合成新亚戊二烯和新戊二烯配合物的方法形成Mo(NAr)(Adene)(OMes)2(2 ; Mes = 2,4,6-三甲基苯基),[Mo(NAr)(Adene )(OC 6 F 5)2 ] 2(3),Mo(NAr)(Adene)(OC 6 F 5)2(MeCN)(4),Mo(NAr)(Adene)(Cl)2(bipy)(5 ; bipy = 2,2 ′-联吡啶),Mo(NAr)(Adene)(Cl)(OHMT)(6 ; OHMT = O-2