CC1(C)N([O])C(C)(C)CCC1.[C:12]([O:16][C:17]([N:19]1[CH2:23][CH2:22][C@H:21]([CH2:24][OH:25])[CH2:20]1)=[O:18])([CH3:15])([CH3:14])[CH3:13]>>[C:12]([O:16][C:17]([N:19]1[CH2:23][CH2:22][C@H:21]([CH:24]=[O:25])[CH2:20]1)=[O:18])([CH3:15])([CH3:14])[CH3:13]The alcohol starting materials can be prepared by the 2,2,6,6-tetramethyl-1-piperidinyloxy, free radical (TEMPO) mediated oxidation of (S)-3-hydroxymethylpyrrolidine-1-carboxylic acid t-butyl ester to yield (S)-3-formylpyrrolidine-1-carboxylic acid t-butyl ester.
Wird geladen…