SUPPORTING INFORMATION

3-/3,5-Pyrrole-substituted BODIPY derivatives and their photophysical and electrochemical studies

KARTHIKA K JAIRAJa,#, AKANKSHA NIMESHa,b, SANOJa,$ and NEERAJ AGARWALa,*

a UM-DAE, Centre for Excellence in Basic Sciences, Health center building, Kalina campus, Santacruz (E), Mumbai, 400098 India

b Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur, 208016 India

Email:

*For correspondence

# Current address: Department of Chemistry, University at Buffalo, Buffalo, NY 14260, USA

$ Current address: Department of Chemistry, University of Illinois at Chicago, Chicago, Illinois 60607, USA

*For correspondence

Contents

Figure S1: MALDI mass spectra of BODIPY 1-4

Figure S2: Absorption (top) and emission (below) spectra of compound 1 in different solvents

Figure S3: Absorption (top) and emission (below) spectra of compound 2 in different solvents

Figure S4: Absorption (top) and emission (below) spectra of compound 3 in different solvents

Figure S5: Absorption (top) and emission (below) spectra of compound 4 in different solvents

Figure S6: Cyclic voltammograms of BODIPY 1-4

Table S1: Optical properties of BODIPY 1-4 in several polar and non polar solvents

Figure S1: MALDI mass spectra of BODIPY 1-4

Absorption and emission spectra in different solvents:

Figure S2: Absorption (top) and emission (below) spectra of compound 1 in different solvents

Figure S3: Absorption (top) and emission (below) spectra of compound 2 in different solvents

Figure S4: Absorption (top) and emission (below) spectra of compound 3 in different solvents

Figure S5: Absorption (top) and emission (below) spectra of compound 4 in different solvents

Figure S6: Cyclic voltammograms of 1-4 recorded in chloroform

Table S1: Optical properties of BODIPY 1-4 in several polar and non polar solvents

Compound / Solvent / λᵃ (nm) / λᵋ (nm) / QY
1 / Hexane / 576 / 596 / 0.78
Toluene / 582 / 606 / 0.84
DCM / 577 / 603 / 0.72
Chloroform / 580 / 603
Ethyl acetate / 575 / 599 / 0.53
Methanol / 573 / 599
DMF / 582 / 610 / 0.34
2 / Hexane / 589 / 619 / 0.01
Toluene / 596 / 631 / 0.02
DCM / 590 / 627 / 0.02
Chloroform / 593 / 625
Ethyl acetate / 588 / 626 / 0.01
Methanol / 586 / 624
DMF / 595 / 635 / 0.007
3 / Hexane / 656 / 661 / 0.39
Toluene / 663 / 672 / 0.24
DCM / 656 / 671 / 0.23
Chloroform / 658 / 671
Ethyl Acetate / 656 / 668 / 0.32
Methanol / 655 / 670
DMF / 664 / 681 / 0.18
4 / Hexane / 674 / 681 / 0.11
Toluene / 682 / 696 / 0.15
DCM / 674 / 693 / 0.15
Chloroform / 677 / 693
Ethyl acetate / 675 / 692 / 0.09
Methanol / 673 / 692
DMF / 683 / 705 / 0.08