Réaction #2254175

Équation de réaction

methanesulfonyl chloride

(3R,4R,5S)-5-(Difluoromethyl)-1-(methanesulfonyl)piperidine 3,4-diol

→

title compound

(3R,4R,5S)-5-(Difluoromethyl)piperidine 3,4-diol Hydrochloride

Conditions de réaction

Traitement

1. 1
   Autrewas run at room temperature

Mode opératoire

(3R,4R,5S)-5-(Difluoromethyl)-1-(methanesulfonyl)piperidine 3,4-diol (8b; Z=SO2; R5=Me). Following General Procedure D except that the reaction was run at room temperature and using methanesulfonyl chloride (0.16 g, 1.4 mmol), the title compound was obtained as a white solid (0.17 g, 51%). 1H NMR (DMSO-d6) 6.2 (t, 1H, J=53 Hz), 5.43 (d, 1H, ex), 5.38 (d, 1H, ex), 3.2-3.7 (m, 4H), 2.95 (s, 3H), 2.85 (m, 1H), 2.7 (t, 1H), 2.1 (br s, 1H). (3R,4R,5S)-5-(Difluoromethyl)-1-tosylpiperidine 3,4-diol (8b; Z=SO2; R5=Ph) Following General Procedure D except that the reaction was run at room temperature and using toluenesulfonyl chloride (0.26, 1.4 mmol), the title compound was obtained as a white solid (0.35 g, 67%). 1H NMR (DMSO-d6) 7.6 (d, 2H), 7.45 (d, 2H), 6.25 (t, 1H, J=53 Hz), 5.4 (2d, 2H, ex), 3.3-3.55 (m, 4H), 3.2 (m, 1H), 2.5 (m, 3H), 2.4 (t, 1H), 2.1 (m, 1H).

Source