**2.4 Amine exchange reaction**

This process involves the reaction of an amine and a transition metal complex of SBs, which results in the exchange of aryl and alkyl groups as given below [10].

$$\text{Ni}(\text{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{red}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\color{op}{\begin{op}{\color{op}{\begin{op}{\dots}}{\color{op}{\color{op}{\dots}}}{}}}}}}}}}}}}}} }} } } } } } } } } } } } } } } } } } } } } } } $$

Where: R = *n*-C4H9, H, *o*-HSC6H4, C4H10, C6H5,
