In contrast, with X being OR, SR or NHR, ESR studies suggest that the radical center has considerable tetrahedral character as depicted in 229, making the Felkin-Anh model applicable for such cases.
In contrast, with X being OR, SR orNHR, ESR studies suggest that the radical centerhas considerable tetrahedral character as depictedin 229, making the Felkin-Anh model applicable forsuch cases.