| Abstract: | Starting from the para‐phenylenediamine derivative HN(SiMe3)‐C6H4‐NH(SiMe3), a lithiation and subsequent borylation give (MeO)2B]N(SiMe3)‐C6H4‐N(SiMe3)B(OMe)2] ( 1 ), the hydridation of which yields Li2(H3B)N(SiMe3)‐C6H4‐N(SiMe3)(BH3)] ( 2 ). Applying ZrCl4 upon 2 initiates a condensation to give the title compound ‐N(SiMe3)‐p‐C6H4‐N(SiMe3)‐BH‐]2, a hetero3, 3]paracyclophane with two N‐B‐N chains that connect the para‐phenylene units. The product 3 crystallizes in the orthorhombic space group P212121. |
