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Referencias:

• Beckman, J.S., (1996) Nitric Oxide, Principles and Actions, , Lancaster, J, Ed, Academic Press, Inc: London, Chapter 1
• Goldstein, S., Czapski, G., (1995) J. Am. Chem. Soc, 117, pp. 12078-12084. , and references therein
• Ford, P.C., Laverman, L.E., Lorkovic, I.M., (2003) Adv. Inorg. Chem, 54, pp. 203-257
• Ford, P.C., Lorkovic, I.M., (2002) Chem. Rev, 102, pp. 993-1018
• (1996) Methods in Nitric Oxide Research, , Feelisch, M, Stamler, J. S, Eds, Wiley: Chichester: UK
• Butler, A.R., Megson, I.L., (2002) Chem. Rev, 102, pp. 1155-1165
• Cheney, R.P., Simic, M.G., Hoffman, M.Z., Taub, I.A., Asmus, K.D., (1977) Inorg. Chem, 16, pp. 2187-2192
• Schwane, J.D., Ashby, M.T., (2002) J. Am. Chem. Soc, 124, pp. 6822-6823
• Roncaroli, F., Olabe, J.A., van Eldik, R., (2003) Inorg. Chem, 42, pp. 4179-4189
• Roncaroli, F., van Eldik, R., Olabe, J.A., (2005) Inorg. Chem, 44. , 2781-2790. I3- may be prepared by reduction of NP with slightly substoichiometric dithionite
• Wanner, M., Scheiring, T., Kaim, W., Slep, L.D., Baraldo, L.M., Olabe, J.A., Zalis, S., Baerends, E.J., (2001) Inorg. Chem, 40, pp. 5704-5707
• Relevant data for the equilibrium [Fe(CN)5NO.] 3- ⇄ [Fe(CN)4NO.]2- + CN -: k-CN = 2.8 × 102 s-1; kCN = 4.1 × 106 M-1 s-1; K = 6.8 × 10-5 M. The reaction shifts to the right at low pH because of HCN formation.6a; Ingraham, L. L.; Meyer, D. L. Biochemistry of Dioxygen; Plenum Press: New York, 1985. Value reported for standard state 1 atm. A reviewer has noted that a more appropriate value (standard state 1 M) is -0.16 V; Masek, J., Maslova, E., (1974) Collect. Czech. Chem. Commun, 39, pp. 2141-2160
• Fast coordination of O2 into [Fe(CN)4NO] 2- could also be envisaged.9 However, [Fe(CN) 4NO.]2- was either unreactive with O 2 or reacted slower than [Fe(CN)5NO.] 3-. This type of reactivity should also generate H2O 2, as well as a final, inert aqua-site trans to NO +, for which a fast rebinding of cyanide should be inhibited; Toma, H.E., (1975) Inorg. Chim. Acta, 15, pp. 205-211
• Olabe, J.A., (2004) Adv. Inorg. Chem, 55, pp. 61-126
• Frisch, M. J.; et al. Gaussian 03, revision D.01; Gaussian, Inc.: Wallingford, CT, 2004. Geometry optimization was performed at the B3LYP level of theory, employing the 6-31G†† basis set on all the atoms. See details in SI 2; Complementary experiments with [Fe(CN)5NO2] 3- reacting with I3- allowed for an estimation of the second-order rate constant, ca. 2 × 106 M-1 s -1. NP is unstable at pH > 11 toward slow conversion into bound nitrite, with ensuing aquation of the latter ligand. The half-life of the bound NO+ → NO2- conversion for NP at pH 12-14 would be in the range of 1-100 s.13; Frantz, S., Sarkar, B., Sieger, M., Kaim, W., Roncaroli, F., Olabe, J.A., Zális, S., (2004) Eur. J. Inorg. Chem, pp. 2902-2907
• Armor, J.N., Hoffman, M.Z., (1975) Inorg. Chem, 14, pp. 444-446
• Videla, M., Jacinto, J.S., Baggio, R., Garland, M.T., Singh, P., Kaim, W., Slep, L.D., Olabe, J.A., (2006) Inorg. Chem, 45, pp. 8608-8615
• Marcus, R.A., (1968) J. Phys. Chem, 72, pp. 891-899
• Marcus, R.A., (1993) Angew. Chem., Int. Ed. Engl, 32, pp. 1111-1121
• Roncaroli, F., Ruggiero, M.E., Franco, D.W., Estiú, G.L., Olabe, J.A., (2002) Inorg. Chem, 41, pp. 5760-5769
• Cheng, L., Powell, D.R., Khan, M.A., Richter-Addo, G.B., (2000) Chem. Commun, pp. 2301-2302
• Patra, A.K., Rowland, J.M., Marlin, D.S., Bill, E., Olmstead, M.M., Mascharak, P.K., (2003) Inorg. Chem, 42, pp. 6812-6823
• Moller, J.K.S., Skibsted, L.H., (2004) Chem.-Eur. J, 10, pp. 2291-2300
• Herold, S., Rock, G., (2005) Biochemistry, 44, pp. 6223-6231
• Arnold, E.V., Bohle, D.S., (1996) Methods Enzymol, 269, pp. 41-55
• The reaction of MbNO. with O2 occurs in two successive steps. The first one is pseudo-first-order in MbNO. (kobs = 2.46 × 10-4 s-1, 25 °C, with ΔH‡ = 120.5 ± 6.8 kJ mol-1 and ΔS‡ = 24 ± 29 J mol-1 K-1), and the rate depends linearly on the oxygen pressure at low pressures. 22a Different mechanisms have been considered, involving rate-determining NO dissociation (the value of kobs, is close to k-NO) or a reversible ligand exchange between NO/O 2.22a A final irreversible electron transfer leads to metMb and nitrate. A similar dissociative mechanism has been proposed for HbNO. + O2.22b Initial association of MbNO . with O2 forming a N-bound peroxynitrite intermediate (as in eq 3) has also been postulated; Ferńandez, B.O., Lorkovic, I.M., Ford, P.C., (2004) Inorg. Chem, 43, pp. 5393-5402

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