The reaction of H 3 N 3 B 3 C l 3 A with L i B H 4 in tetrahydrofuran gives inorganic benzene B . Further, the reaction of A with C leads to H 3 N 3 B 3 M e 3 . Compounds B and C respectively, are:

Step-by-step solution

The reaction of H 3 N 3 B 3 C l 3 A with L i B H 4 in tetrahydrofuran gives inorganic benzene B . The reaction is given below. Further, the reaction of compound A reacts with C leads to H 3 N 3 B 3 M e 3 . The reaction is given beow: B 3 N 3 H 3 CI 3 A + LiBH 4 ⟶ B 3 N 3 H 6 B + LiCI + BCI 3 B 3 N 3 H 3 CI 3 A + 3 MeMgBr C ⟶ B 3 N 3 H 3 CH 3 3 + 3 MgBrCI