Research Article
Syntheses, Characterization, Thermal, and Antimicrobial Studies of Lanthanum(III) Tolyl/Benzyldithiocarbonates
Table 1
Synthetic and analytical data of tolyl/benzyl dithiocarbonates of La(III) and their adducts.
| | S. number | Reactants (mmol) | Molar ratio | Reflux time (hrs.) | Product (Physical state) | M.P (°C) (dec.) | Yield % | Analysis % found (Calcd.) | | ROCS2Na/(ROCS2)3La | LaCl3/L* | La | C | H | N | S |
| | 5. | 1.00 (4.84) | 0.60 (1.61) | 3 : 1 | 8 | (-CH3C6H4OCS2)3La (yellow solid) | 120 | 85 | 20.15 (20.17) | 41.81 (41.85) | 3.05 (3.07) | — | 27.90 (27.93) | | 6. | 1.00 (4.84) | 0.60 (1.61) | 3 : 1 | 8 | (-CH3C6H4OCS2)3La (yellow solid) | 117 | 89 | 20.14 (20.17) | 41.80 (41.85) | 3.04 (3.07) | — | 27.90 (27.93) | | 7. | 1.00 (4.84) | 0.60 (1.61) | 3 : 1 | 8 | (-CH3C6H4OCS2)3La (yellow solid) | 118 | 87 | 20.15 (20.17) | 41.82 (41.85) | 3.05 (3.07) | — | 27.89 (27.93) | | 8. | 1.00 (4.84) | 0.60 (1.61) | 3 : 1 | 8 | (C6H5CH2OCS2)3La (yellow solid) | 121 | 86 | 20.13 (20.17) | 41.81 (41.85) | 3.03 (3.07) | — | 27.88 (27.93) | | 9. | 0.50 (0.72) | 0.11 (1.39) | 1 : 2 | 2 | (-CH3C6H4OCS2)3La·2(NC5H5) (Yellow solid) | 130 | 89 | 16.36 (16.40) | 48.20 (48.22) | 3.66 (3.69) | 3.29 (3.31) | 22.70 (22.72) | | 10. | 0.50 (0.72) | 0.11 (1.39) | 1 : 2 | 2 | (-CH3C6H4OCS2)3La·2(NC5H5) (Yellow solid) | 137 | 86 | 16.35 (16.40) | 48.20 (48.22) | 3.58 (3.69) | 3.30 (3.31) | 22.69 (22.72) | | 11. | 0.50 (0.72) | 0.11 (1.39) | 1 : 2 | 2 | (-CH3C6H4OCS2)3La·2(NC5H5) (Yellow solid) | 134 | 88 | 16.37 (16.40) | 48.19 (48.22) | 3.67 (3.69) | 3.29 (3.31) | 22.71 (22.72) | | 12. | 0.50 (0.72) | 0.11 (1.39) | 1 : 2 | 2 | (C6H5CH2OCS2)3La·2(NC5H5) (Yellow solid) | 138 | 87 | 16.37 (16.40) | 48.18 (48.22) | 3.66 (3.69) | 3.28 (3.31) | 22.71 (22.72) | | 13. | 0.50 (0.72) | 0.38 (1.42) | 1 : 2 | 5 | (-CH3C6H4OCS2)3La·2P(C6H5)3 (Pale yellow solid) | 145 | 88 | 11.43 (11.45) | 59.38 (59.40) | 4.20 (4.24) | — | 15.85 (15.86) | | 14. | 0.50 (0.72) | 0.38 (1.42) | 1 : 2 | 5 | (-CH3C6H4OCS2)3La·2P(C6H5)3 (Pale yellow solid) | 148 | 85 | 11.42 (11.45) | 59.36 (59.40) | 4.20 (4.24) | — | 15.87 (15.86) | | 15. | 0.50 (0.72) | 0.38 (1.42) | 1 : 2 | 5 | (-CH3C6H4CH2OCS2)3 La·2P(C6H5)3 (Pale yellow solid) | 146 | 86 | 11.43 (11.45) | 59.36 (59.40) | 4.23 (4.24) | — | 15.84 (15.86) | | 16. | 0.50 (0.72) | 0.38 (1.42) | 1 : 2 | 5 | (C6H5CH2OCS2)3La·2P(C6H5)3 (Pale yellow solid) | 150 | 88 | 11.42 (11.45) | 59.37 (59.40) | 4.20 (4.24) | — | 15.84 (15.86) | | 17. | 0.50 (0.72) | 0.13 (0.72) | 1 : 1 | 5 | (-CH3C6H4OCS2)3La·N2C12H8 (Yellowish brown solid) | 160 | 89 | 15.95 (15.99) | 49.72 (49.76) | 3.32 (3.36) | 3.19 (3.22) | 22.10 (22.14) | | 18. | 0.50 (0.72) | 0.13 (0.72) | 1 : 1 | 5 | (-CH3C6H4OCS2)3La·N2C12H8 (Yellowish brown solid) | 155 | 87 | 15.96 (15.99) | 49.73 (49.76) | 3.33 (3.36) | 3.18 (3.22) | 22.11 (22.14) | | 19. | 0.50 (0.72) | 0.13 (0.72) | 1 : 1 | 5 | (-CH3C6H4OCS2)3La·N2C12H8 (Yellowish brown solid) | 158 | 88 | 15.95 (15.99) | 49.73 (49.76) | 3.33 (3.36) | 3.18 (3.22) | 22.11 (22.14) | | 20. | 0.50 (0.72) | 0.13 (0.72) | 1 : 1 | 5 | (C6H5CH2OCS2)3La·N2C12H8 (Yellowish brown solid) | 157 | 88 | 15.97 (15.99) | 49.74 (49.76) | 3.32 (3.36) | 3.19 (3.22) | 22.11 (22.14) | | 21. | 0.50 (0.72) | 0.11 (0.70) | 1 : 1 | 5 | (-CH3C6H4OCS2)3La·N2C10H8 (Orange solid) | 162 | 85 | 16.40 (16.44) | 48.32 (48.33) | 3.43 (3.46) | 3.28 (3.32) | 22.75 (22.77) | | 22. | 0.50 (0.72) | 0.11 (0.70) | 1 : 1 | 5 | (-CH3C6H4OCS2)3La·N2C10H8 (Orange-yellow solid) | 165 | 88 | 16.40 (16.44) | 48.29 (48.33) | 3.44 (3.46) | 3.29 (3.32) | 2.75 (22.77) | | 23. | 0.50 (0.72) | 0.11 (0.70) | 1 : 1 | 5 | (-CH3C6H4OCS2)3La·N2C10H8 (Orange yellow solid) | 164 | 87 | 16.41 (16.44) | 48.30 (48.33) | 3.43 (3.46) | 3.30 (3.32) | 22.74 (22.77) | | 24. | 0.50 (0.72) | 0.11 (0.70) | 1 : 1 | 5 | (C6H5CH2OCS2)3La·N2C10H8 (Orange solid) | 162 | 89 | 16.42 (16.44) | 48.30 (48.33) | 3.42 (3.46) | 3.29 (3.32) | 22.74 (22.77) |
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CH3C6H4 and C6H5CH2 (9–12) or P(C6H5)3 (13–16) and for , (17–20) or N2C10H8 (21–24).
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