Synthesis, structural assesment and some reaction profiles of peroxo complexes of B,Mo and UO22+.A Fluoro Compound of Cr,and mixed Lignad molecular complexes of the type M (Acac)2 (dmpz)n [dmpz =3,5-dimethylpyrozole,M-Mn,Co,Ni;n=2,M=VO 2+; n=1,and M=UO2