摘要:
摘要用HCl对[W(CR)Cl(CO)(PMe3)3]或[W(CR)Cl(CO)(py)(PMe3)2]类型的亚烷基钨配合物进行质子化,得到η2-亚烷基钨配合物[W(CHR)Cl 2(CO)(PMe 3)2](7)(R = Me,Et,Ph,p-Tol)。配合物[W(CR)X(CO)(CNR')(PMe3)2用HOSO2CF3或HBF4的质子化得到亚烷基配合物[W(CHR)X(CO)(CNR')(PMe3)2] [Y式(8)(R = Me,R'= CMe3,X = Cl,Y = CF3SO3,R = Ph,X = Cl; R'= CMe3,Y = CF3SO3,BF4; R'= C6H11,Y = BF4; R'= C6H3Me2-2,6,Y = CF3SO3,R = Ph,R'= CMe3,X = I,Y = CF3SO3,BF4)。亚烷基配体的CH键很容易被诸如吡咯烷基亚环戊烯或三乙