Supplementary Material (ESI) for Dalton Transactions This journal is © The Royal Society of Chemistry 2002 Manganese (III) Meso Tetrakis Ortho Nalkylpyridylporphyrins Synthesis, Characterization, and Catalysis of O2.- Dismutation By Ines Batinic-Haberle,1* Ivan Spasojevic,1 Robert D Stevens,2 Peter Hambright,3 and Irwin Fridovich1 Department of Biochemistry, and 2Department of Pediatrics, Duke University Medical Center, Durham, NC 27710, 3Department of Chemistry, Howard University, Washington, D C 20059 * To whom correspondence should be addressed e-mail: ines@chem.duke.edu Tel: 919-684-2101 Fax: 919-684-8885 Supplementary Material (ESI) for Dalton Transactions This journal is © The Royal Society of Chemistry 2002 Figure S1 Cyclic voltammetry of 0.5 mM Mn IIITE-2-PyP5+ and MnIIITnHex-2-PyP5+ porphyrins in a 0.05 M phosphate buffer (pH 7.8, 0.1 M NaCl) at a scan rate of 0.1 V/s Figure S2 Electrospray mass spectrometry of 0.5 mM solutions of H 2T(alkyl)2-PyP4+ compounds in 1:1 water : acetonitrile at a cone voltage of 20 V Figure S3 Electrospray mass spectrometry of 0.5 mM solutions of Mn IIIT(alkyl)2-PyP5+ compounds in 1:1 water : acetonitrile at a cone voltage of 20 V Supplementary Material (ESI) for Dalton Transactions This journal is © The Royal Society of Chemistry 2002 Figure S1-IBH-Dalton-04-02 Mn Mn Current, µA III/II III/II 5+/4+ TE-2-PyP 5+/4+ TnHex-2-PyP -2 -4 -6 0.5 0.4 0.3 0.2 0.1 0.0 -0.1 Potential, Volts vs Ag/AgCl -0.2 -0.3 -0.4 Supplementary Material (ESI) for Dalton Transactions This journal is © The Royal Society of Chemistry 2002 Figure S2-IBH-Dalton-04-02 100 % 169 169 136 152 H2TM-2-PyP4+ 226 180 242 214 190 184 100 245 % H2TE-2-PyP4+ 235 194 352367 214 263 100 H2TnPr-2-PyP4+ % 249 240 198 191 278 287 395 282 100 H2TnBu-2-PyP4+ 212 % 263 288 222 239 100 423 394 319 H2TnHex-2-PyP4+ % 291 436 250258 268 100 479 496 343 357 H2TnOct-2-PyP4+ % 286 150 200 250 300 319 381 350 400 450 m/z 500 Supplementary Material (ESI) for Dalton Transactions This journal is © The Royal Society of Chemistry 2002 Figure S3-IBH-Dalton-04-02 179 193 204 100 % 155 163 242 212 263 235 206 100 143 174 267 293 312 321 274 207 200 % MnIIITM-2-PyP5+ 255 244 286 262 264 220 382 400 361 MnIIITE-2-PyP5+ 210 182 190 349 410 428 293 100 221 % 211 143 185 193 200 317 252 312 100 293 234 % 196 100 221 235 262 275 294 262 III 349 361 5+ Mn TnHex-2-PyP 240 235 242 III Mn TnOct-2-PyP 263 321 319 272 291 294 242 175 200 225 398 387 281 150 337 290 5+ % MnIIITnBu-2-PyP5+ 323 205 % 100 305 266279 230 MnIIITnPr-2-PyP5+ 250 268 275 294 300 349 337 325 350 375 375 416 400 425 m/z 450 ... spectrometry of 0.5 mM solutions of H 2T(alkyl)2-PyP4+ compounds in 1:1 water : acetonitrile at a cone voltage of 20 V Figure S3 Electrospray mass spectrometry of 0.5 mM solutions of Mn IIIT(alkyl)2-PyP5+... Royal Society of Chemistry 2002 Figure S1 Cyclic voltammetry of 0.5 mM Mn IIITE-2-PyP5+ and MnIIITnHex-2-PyP5+ porphyrins in a 0.05 M phosphate buffer (pH 7.8, 0.1 M NaCl) at a scan rate of 0.1 V/s... in 1:1 water : acetonitrile at a cone voltage of 20 V Supplementary Material (ESI) for Dalton Transactions This journal is © The Royal Society of Chemistry 2002 Figure S1-IBH-Dalton-04-02 Mn