Ethyl 2-bromopropionate → Tert-butyl 3-(1(r,s)-ethoxycarbonylethoxy)-4-{4-[3-(2-methoxybenzyloxy)propoxy]-phenyl}piperidine-1-carboxylate

HRID 1712245Notes

Reaction equation

HRID 1712245 reaction equation
[OH:1][CH:2]1[CH:7]([C:8]2[CH:13]=[CH:12][C:11]([O:14][CH2:15][CH2:16][CH2:17][O:18][CH2:19][C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=3[O:26][CH3:27])=[CH:10][CH:9]=2)[CH2:6][CH2:5][N:4]([C:28]([O:30][C:31]([CH3:34])([CH3:33])[CH3:32])=[O:29])[CH2:3]1.Br[CH:36]([CH3:42])[C:37]([O:39][CH2:40][CH3:41])=[O:38]>>[CH2:40]([O:39][C:37]([CH:36]([O:1][CH:2]1[CH:7]([C:8]2[CH:13]=[CH:12][C:11]([O:14][CH2:15][CH2:16][CH2:17][O:18][CH2:19][C:20]3[CH:25]=[CH:24][CH:23]=[CH:22][C:21]=3[O:26][CH3:27])=[CH:10][CH:9]=2)[CH2:6][CH2:5][N:4]([C:28]([O:30][C:31]([CH3:34])([CH3:33])[CH3:32])=[O:29])[CH2:3]1)[CH3:42])=[O:38])[CH3:41]

Participants

3

Procedure

Analogously to Method D, 0.5 g of tert-butyl 3-hydroxy-4-{4-[3-(2-methoxybenzyloxy)-propoxy]phenyl}piperidine-1-carboxylate and 0.15 ml of ethyl 2-bromopropionate are reacted. The title compound is obtained as a slightly yellowish oil. Rf=0.40 (1:1 EtOAc-heptane); Rt=5.93/6.0.

Sources & evidence

ORD record
ord-6b7188525ccc487e9011fa167c7ccb2a
Source dataset
uspto-grants-2010_09
Patent number
US07790715B2

Reaction notes

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