Research Article

Synthesis, Characterization, and In Vitro Cytotoxicity of Platinum(II) Complexes Bearing Chiral Tetradentate Salicylaldimine Ligands

Table 1

Photophysical data of the chiral salen platinum(II) complexes.

Complexλabs (ɛ)λem (λexc)
π − πn − πMLCT

1R317 (10,215)343 (12,045)421 (4,635)546 (421)
1S317 (8,945)343 (9,770)421 (3,805)542 (421)
2R323 (11,870)351 (12,305)437 (5,270)568 (437)
2S323 (11.050)351 (11,270)437 (5,105)566 (437)
3R288 (13,235)358 (14,375)434 (4,100)556 (434)
3S288 (12,685)358 (13,660)434 (4,190)552 (434)
4R314 (23,800)331 (25,250)398 (10,080)531 (398)
4S314 (22,615)332 (23,850)398 (9,625)529 (398)
5R322 (14,230)360 (11,520)450 (6,260)595 (450)
5S322 (13,635)360 (10,995)450 (6,015)593 (450)
6R291 (14,485)358 (28,020)424 (4,965)544 (423)
6S291 (13,345)358 (25,920)423 (4,195)540 (423)