Research Article
Copper(II) Complexes of 2-(Methylthiomethyl)anilines: Spectral and Structural Properties and In Vitro Antimicrobial Activity
Table 1
Analytical and physical data for ligands (1a–1f) and complexes (2a–2f).
| | Complexes | Molecular formula | Colour | M. pt.
(°C) | % found (calculated) | Yield
% |
(B.M.) | Molar conductanceb | | C | H | N | S | DMF | DMSO |
| | 2MT 1a | C8H11NS | — | oil | 62.87 (62.70) | 7.08 (7.23) | 9.27 (9.14) | 19.61 (20.92) | 80 | | | | | 4Me-2MT 1b | C9H13NS | Pale brown | 65-66 | 63.12 (64.62) | 7.87 (7.83) | 8.09 (8.37) | 18.11 (19.17) | 69 | | | | | 4MeO-2MT 1c | C9H13NOS | — | oil | 57.97 (58.98) | 7.92 (7.15) | 7.51 (7.64) | 17.32 (17.50) | 26 | | | | | 4Cl-2MT 1d | C8H10NSCl | Pale brown | 69-70 | 51.84 (51.19) | 5.51 (5.37) | 7.38 (7.46) | 16.49 (17.08) | 78 | | | | | 4Br-2MT 1e | C8H10NSBr | Pale brown | 68-69 | 41.25 (41.39) | 4.22 (4.34) | 5.89 (6.03) | 13.42 (13.81) | 62 | | | | | 4-NO2-2MT 1f | C8H10N2O2S | Yellow | 70–73 | 47.58 (47.39) | 5.30 (5.22) | 13.74 (13.82) | 16.01 (15.82) | 33 | | | | | CuCl2(2MT) 2a c | Cu(C8H11NS)Cl2 | Green | 153–155 | 33.30 (33.40) | 3.97 (3.85) | 4.86 (4.87) | 10.93 (11.15) | 91 | 2.30 | 27.9 | 29.4 | | CuCl2(4Me-2MT) 2b | Cu(C9H13NS)Cl2 | Brown | 158–160 | 36.19 (35.83) | 4.09 (4.34) | 4.56 (4.64) | 10.45 (10.63) | 89 | 1.95 | 32.2 | 28.6 | | CuCl2(4MeO-2MT) 2c | Cu(C9H13NOS)Cl2 | Brown | 147–149 | 34.09 (34.02) | 4.19 (4.12) | 4.30 (4.41) | 9.58 (10.09) | 89 | 1.76 | 38.3 | 29.6 | | CuCl2(4Cl-2MT) 2d c | Cu(C8H10ClNS)Cl2 | Green | 158–160 | 30.10 (29.83) | 2.86 (3.13) | 4.31 (4.35) | 9.90 (9.95) | 75 | 2.12 | 29.5 | 28.5 | | CuCl2(4Br-2MT) 2e | Cu(C8H10NSBr)Cl2 | Green | 170–172 | 26.35 (26.21) | 2.41 (2.75) | 3.86 (3.82) | 8.38 (8.75) | 79 | 2.21 | 28.5 | 32.9 | | CuCl2(4NO2-2MT) 2f | Cu(C8H10N2O2S)Cl2 | Green | 146–148 | 29.68 (28.88) | 2.91 (3.03) | 8.50 (8.42) | 9.73 (9.64) | 73 | 1.87 | 27.2 | 31.5 |
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Measured at room temperature, 298 K.
bMolar conductance of 10−3 M solution at 298 K, values given in cm2 mol−1.
cReference [12].
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