Table 1. UV Spectral Data Plus Rates and Yields of Nitrogenous Products on Hydrolyzing Ions 1 at pH 7.4 and 37 °C: Comparison with IPA/NO.

compound	R	NOa	N2Oa	nitritea	t1/2 (min)	λmax (nm) 0.1 M NaOH	ε (mM–1 cm–1) 0.1 M NaOH
1a	Me	88% (±1%)	<0.01	9% (±0.3%)	1.2	252	9.7
1b	3-pyridyl	52% (±1%)	7% (±0.7%)	10% (±1%)	2.8	250	11.8
IPA/NO		30%	70%	3%	2.3b	252b	8.7b

^aYield as a percent of theoretical plus or minus the standard deviation of three independent measurements.

^bFrom Maragos et al.¹²