1415313-64-2Relevant academic research and scientific papers
Metal derivatives of N1-substituted thiosemicarbazones: Synthesis, structures and spectroscopy of nickel(II) and cobalt(III) complexes
Lobana, Tarlok S.,Kumari, Poonam,Hundal, Geeta,Butcher, Ray J.,Castineiras,Akitsu, Takashiro
, p. 605 - 615 (2013/03/14)
Reactions of nickel(II) and cobalt(II) salts with various N 1-substituted thiosemicarbazones [R1R2C 2N3-N2H-C1(S)-N1HR 3, H2L; R1 = C6H5-, R2 = H, H2L1(R3 = Me); H 2L2(R3 = Ph), R1 = 2-OHC 6H4-, R2 = H, H2L3(R 3 = Me), H2L4(R3 = Et), H 2L5(R3 = Ph); R2 = Me, H 2L6(R3 = Me), R2 = Me, H 2L7(R3 = Et) and R2, R3 = H, Me, H2L8(R1 = C4H3S), H2L9(R1 = C4H3O)] are described. Reactions of Ni(OAc)2 with the ligands having R 1 as phenyl group at C2 carbon (H2L 1, H2L2) gave complexes, [Ni(κ 2-N3, S-HL)2] (HL- = HL1, 1; HL2, 2). Other ligands with R1 as 2-hydroxyphenyl groups, namely, H2L3-H2L7, with Ni(OAc)2 yielded rust colored compounds, {Ni(κ3-O, N3, S-L)} (L2- = L3-L7) which after the addition of PPh2-CH2-PPh2 yielded dinuclear, [Ni2(κ3-O, N3, S-L) 2(μ-P, P-PPh2-CH2-PPh2)] (L 2- = L3, 3; L4, 4; L5, 5) and mononuclear, [Ni(κ3-O, N3, S-L)(κ1- P-PPh2-CH2-PPh2)] (L2- = L 6, 6; L7, 7) complexes. Likewise, {Ni(κ3- O, N3, S-L5} with 2-phenylpyridine(2-Phpy) has yielded a mononuclear complex, [Ni(κ3-O, N3, S-L 5)(κ1-N-2-Phpy)] 8. The geometry around Ni metal center can be formally described as square planar in each of complexes 1-8. Reactions of CoCl2 with H2L8 and H 2L9 involved oxidation of CoII to Co III and yielded octahedral complexes, [Co(κ2-N, S-HL)3] (HL- = HL8, 9; HL9, 10).
