Table 2. Substrate Scope for Mitsunobu Esterification Mediated by PhNO and Ph₃P^a.

^aConditions: 1a (0.60 mmol), 2a (0.72 mmol), PhNO (1.5 mmol), Ph₃P (1.5 mmol), acetonitrile (64 mL); reaction time: 30 min; 0 °C.

^bDetermined by ¹H NMR. Average of two experiments.

^cInversion/retention of configuration; determined by high-performance liquid chromatography.