Some aspects of the coordination and organometallic chemistry of thorium and uranium (MIII, MIV, UV) in +3 and +4 oxidation states
作者:Paul C. Blake、Michael F. Lappert、Richard G. Taylor、Jerry L. Atwood、Hongming Zhang
DOI:10.1016/s0020-1693(00)84028-1
日期:1987.12
(a) M IV cyclopentadienyls: [MCp″X 2 ] (X Cl, Br, I, BH 4 , CH 2 SiMe 3 , CH 2 Ph, or OAr H Me ), [MCp″ 2 (μ-O)} 2 ], [MCp″(Cl)X] (X NMe 2 , N″, OAr H Pr i , OAr H Ph , or SAr), [UCp″ 2 (μ-F)(μ-BF 4 )}2] and [ThCp″ 3 Cl]; (b) Other M IV derivatives: [MCl(OAr H Bu t ) 3 ], [UX 2 (OAr H Bu t ) 2 } n ] (X Cl or NEt 2 ], [U(NEt 2 )X 3 ] (X OAr H Bu t or OAr H Pr i ) and [Li(thf) 4 ] [M(OAr H
摘要我们报道了使用笨重的配体(例如η-C5 H 3(SiMe 3)2 -1,3(Cp″),ŌC6 H 2)合成of和铀的新型烃溶性晶体配合物的方法。 R 2 -2,6-R'-4(ŌArR'R),N(SiMe 3)2(N''),N 2-(SiMe 3)(N'2-)或SC 6 H 2 Bu t 3 -2,4,6(SAr)},以提供所需的亲脂性。从单晶X射线衍射和/或可变温度NMR光谱中得出了新化合物的特征,并对结构感兴趣的特征得到了关注。讨论的配合物包括以下(a)-(d):(a)M IV环戊二烯基:[MCp''X 2](XCl,Br,I,BH 4,CH 2 SiMe 3,CH 2 Ph或OAr H Me),[MCp″ 2(μ-O)} 2],[MCp″(Cl)X](XNMe 2,N″,OAr H Pr i,OAr H Ph或SAr),[UCp ″ 2(μ-F)(μ-BF4)} 2]和[ThCp″