Table 2.
Solvent | 3 | 4 | 2a, | 2b, | 2c, | 2d, | 1a, | 1b, |
---|---|---|---|---|---|---|---|---|
I-TBA | I-SO | AI-SO(4) | AI-BA(4) | AI-TBA(4) | P-SO(4) | P-SO(2) | AI-SO(2) | |
λmax/nm (ε) | λmax/nm (εa) | λmax/nm (ε) | λmax/nm (ε) | λmax/nm (ε) | λmax/nm (ε) | λmax/nm (ε) | λmax/nm (ε) | |
MeOH | 583 (173000) | 586 (143000) | 610 (65000) | 585 (83000) | 576 (38000) | 580 (54000) | 505 (57000) | 542 (92000) |
EtOH | - | - | 636 (83000) | 604 (104000) | 603 (46000) | 557 (61000) | 514 (65000) | 549 (111000) |
i-PrOH | - | - | 648 (122000) | 614 (132000) | 618 (50000) | 597 (68000) | 518 (72000) | 553 (132000) |
BuOH | 589 (190000) | 587 (134000) | 650 (118000) | 615 (154000) | 619 (53000) | 593 (64000) | 519 (67000) | 554 (120000) |
OcOH | 590 (180000) | 587 (125000) | 660 (150000) | 628 (143000) | 633 (97000) | 612 (80000) | 524 (72000) | 559 (150000) |
DMF | 589 (183000) | 586 (143000) | 651 (154000) | 625 (146000) | 616 (52000) | 604 (99000) | 522 (92000) | 556 (157000) |
DMSO | - | - | 644 (118000) | 617 (122000) | 607 (56000) | 599 (77000) | 520 (75000) | 555 (126000) |
CH3CN | - | - | 642 (142000) | 621 (141000) | 615 (54000) | 596 (93000) | 546 (89000) | 549 (149000) |
CH2Cl2 | - | - | 667 (278000) | 647 (224000) | 655 (104000) | 629 (187000) | 529 (128000) | 561 (218000) |
C6H6 | 584 (127000) | 571 (109000) | 679 (240000) | 662 (201000) | 683 (135000) | 644 (178000) | 538 (169000) | 570 (235000) |