Methods to make R
1
3
P═N—TiCl
3
and (1-R
2
-Indenyl)Ti(N═PR
1
3
)Cl
2
, where R
1
is independently selected from C
1-30
hydrocarbyl radical which is unsubstituted or further substituted by one or more halogen atom, a C
1-8
alkoxy radical, a C
6-10
aryl radical, a C
6-10
aryloxy radical, an amido radical, a silyl radical, and a germanyl radical; P is phosphorus; N is nitrogen (and bonds to the metal M); R
2
is a substituted or unsubstituted alkyl group, a substituted or an unsubstituted aryl group, or a substituted or unsubstituted benzyl group, wherein substituents for the alkyl, aryl or benzyl group are selected from alkyl, aryl, alkoxy, aryloxy, alkylaryl, arylalkyl and halide substituents. The method to make R
1
3
P═N—TiCl
3
combines a titanium species TiCl
3
(OR) where R is an alkyl or aromatic group, with a trimethylsilyl phosphinimide compound R
1
3
P═N—SiMe
3
in the presence of solvent, to give the titanium complex R
1
3
P═N—TiCl
3
. The method to make (1-R
2
-Indenyl)Ti(N═PR
1
3
)Cl
2
consists of deprotonating 1-R
2
-indene with an appropriate base, followed by reaction with R
1
3
P═N—TiCl
3
.
制备R13P═N—TiCl3和(1-R2-Indenyl)Ti(N═PR13)Cl2的方法,其中R1独立选择为未取代或进一步取代为一个或多个卤素原子,C1-30烃基,C1-8烷氧基,C6-10芳基,C6-10芳氧基,酰胺基,
硅烷基和
锗烷基;P为
磷;N为氮(并与
金属M形成键);R2为取代或未取代的烷基,取代或未取代的芳基或取代或未取代的苄基,其中烷基,芳基或苄基的取代基选择为烷基,芳基,烷氧基,芳氧基,烷基芳基,芳基烷基和卤素取代基。制备R13P═N—TiCl3的方法将
钛物种TiCl3(OR)(其中R为烷基或芳基)与存在溶剂中的三甲基
硅基膦
亚胺化合物R13P═N—SiMe3反应,以得到
钛配合物R13P═N—TiCl3。制备(1-R2-Indenyl)Ti(N═PR13)Cl2的方法包括用适当的
碱脱质子化1-R2-
茚烯,然后与R13P═N—TiCl3反应。