Table 1.
Absorption data of compounds 4a–4e, 5a–5e, and porphyrins in different solvents
| Compound | λmax, nm (ε × 104, cm−1⋅M−1), CH2Cl2 | λemiss, nm, CH2Cl2 | λmax, nm (ε × 104, cm−1⋅M−1), DMSO | λemiss, nm, DMSO | λmax, nm (ε × 104, cm−1⋅M−1), acetone | λemiss, nm, acetone |
| 4a | 420 (66.1), 514 (4.91), 554 (1.82), 590 (2.24), 642 (1.19) | 647, 703 | — | — | 416 (75.6), 510 (4.91), 542 (1.73), 586 (1.82), 640 (0.85) | 643, 704 |
| 4b | 421 (65.5), 514 (4.66), 552 (1.99), 591 (2.07), 641 (1.08) | 643, 707 | — | — | 414 (66.0), 509 (4.08), 542 (1.60), 586 (1.63), 640 (0.85) | 642, 706 |
| 4c | 422 (64.2), 514 (6.52), 552 (5.81), 595 (4.06), 643 (2.29) | 649, 707 | — | — | 414 (67.5), 510 (3.97), 542 (1.69), 586 (1.53), 639 (0.77) | 643, 705 |
| 4d | 422 (64.2), 515 (5.36), 548 (3.18), 592 (2.69), 644 (1.77) | 647, 708 | — | — | 416 (69.8), 510 (4.11), 542 (1.88), 586 (1.59), 639 (0.78) | 644, 707 |
| 4e | 423 (64.1), 514 (4.25), 548 (2.30), 589 (1.87), 644 (1.10) | 647, 708 | — | — | 414 (65.6), 510 (4.11), 542 (2.01), 586 (1.69), 642 (0.96) | 644, 705 |
| 4-TPyP | 416 (35.9), 512 (2.00), 546 (0.73), 586 (0.77), 640 (0.39) | 645, 708 | — | — | ||
| 5a | — | — | 426 (99.6), 518 (5.43), 556 (5.46), 594 (3.76) | 601, 652 | 420 (76.3), 518 (2.82), 554 (3.76), 586 (2.15) | 599, 647 |
| 5b | — | — | 427 (81.0), 519 (3.35), 559 (6.06), 595 (3.26) | 603, 652 | 420 (79.9), 517 (1.36), 554 (4.13), 591 (1.50) | 599, 648 |
| 5c | — | — | 426 (86.7), 522 (1.48), 559 (4.12), 595 (1.73) | 603, 652 | 422 (71.1), 516 (1.20), 554 (3.81), 592 (1.28) | 600, 649 |
| 5d | — | — | 426 (94.0), 521 (1.80), 559 (4.53), 599 (2.01) | 602, 653 | 421 (69.1), 516 (1.13), 554 (3.67), 592 (1.26) | 602, 650 |
| 5e | — | — | 426 (102), 521 (1.97), 559 (5.11), 599 (2.41) | 602, 654 | 420 (63.2), 516 (1.14), 554 (3.44), 592 (1.28) | 602, 650 |
| Zn-TPyP | — | — | 426 (51.8), 518 (0.81), 557 (2.31), 596 (1.02) | 602, 653 |