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Table 1 Fluorescence absorption and emission maxima of compound 7a-7f in various solvents.

From: Synthesis and photo-physical properties of fluorescent 1,3,5-triazine styryl derivatives

Solvents 7a 7b 7c
  λmax λem Δλ λmax λem Δλ λmax λem Δλ
DCM 329(1.030) 389(1.048) 408(079) 79 341(0.549) 404(0.589) 403(149) 62 359(1.361) 408(482) 49
EtOAc 323(0.898) 377(0.852) 403(490) 80 320(0.488) 371(0.531) 392(201) 87 356(0.956) 403(490) 47
Acetone 329(0.793) 377(0.927) 406(688) 77 323(0.375) 380(0.550) 410(108) 72 354(1.157) 403(216) 49
EtOH 326(0.585) 380(0.727) 428(288) 102 332(0.420) 389(0.503) 424(131) 92 353(1.061) 410(166) 57
DMF 329(0.458) 377(0.628) 401(487) 72 332(0.475) 380(0.461) 392(183) 60 350(0.994) 411(132) 61
DMSO 326(0.908) 383(0.982) 428(087) 102 323(0.455) 377(0.539) 418(229) 95 353(0.979) 418(164) 65
Solvents 7d 7e 7f
  λmax λem Δλ λmax λem Δλ λmax λem Δλ
DCM 410(1.864) 458(1000) 48 356(2.322) 400(1000) 44 356(1.305) 416(1000) 60
EtOAc 353(1.319) 410(1000) 57 350(1.992) 410(1000) 60 353(1.424) 416(1000) 63
Acetone 350(1.621) 410(1000) 60 374(2.099) 400(1000) 26 353(1.571) 408(684) 55
EtOH 362(1.209) 418(600) 56 389(1.521) 408(1000) 19 353(1.213) 413(937) 57
DMF 356(1.380) 413(561) 57 353(1.616) 403(681) 50 353(1.229) 413(363) 60
DMSO 356(1.507) 420(400) 64 353(2.252) 408(476) 55 359(1.166) 416(359) 57
  1. DCM: Dichloromethane; EtOAc: Ethyl acetate; EtOH: Ethyl alcohol; DMF: Dimethyforamide; DMSO: Dimethylsulphoxide.