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. Author manuscript; available in PMC: 2010 Mar 1.
Published in final edited form as: Angew Chem Int Ed Engl. 2009;48(47):8909–8913. doi: 10.1002/anie.200904360

Table 1.

Apparent rate constants kapp for the reaction between HOCbl and DEA-NONOate, and observed rate constants for the spontaneous decomposition of HOCbl (kHOCbl) and DEA-NONOate (kL)

pH kapp [L mol−1 min−1] 103kHOCbl [min−1] 103kL [min−1]
9.50 0.68±0.02 0.33±0.01 1.24±0.01
9.80 0.29±0.03 0.97±0.02 0.555±0.008
10.40 0.14±0.01 1.43±0.05 0.197±0.001
10.80 0.056±0.002 1.32±0.03 t½≥1 week

[a]I=1.0m (NaCF3SO3), 0.30m buffer, 25°C.