Lithium Hydroxide → US10188653, Example 15

HRID 59924

Reaction equation

HRID 59924 reaction equation
[CH2:1]([O:3][C:4]1[CH:25]=[CH:24][CH:23]=[CH:22][C:5]=1[O:6][C@@H:7]1[CH2:12][CH2:11][CH2:10][N:9]([C:13]2[N:18]=[CH:17][C:16]([C:19](O)=[O:20])=[CH:15][N:14]=2)[CH2:8]1)[CH3:2].Cl.NC[C:29]1[CH:30]=[C:31]([CH:35]([CH3:41])[C:36]([O:38]CC)=[O:37])[CH:32]=[CH:33][CH:34]=1.C[CH2:43][N:44]=C=NCCCN(C)C.Cl.[Li+].[OH-]>>[CH2:1]([O:3][C:4]1[CH:25]=[CH:24][CH:23]=[CH:22][C:5]=1[O:6][C@@H:7]1[CH2:12][CH2:11][CH2:10][N:9]([C:13]2[N:14]=[CH:15][C:16]([C:19]([NH:44][CH2:43][C:34]3[CH:29]=[CH:30][C:31]([CH:35]([CH3:41])[C:36]([OH:38])=[O:37])=[CH:32][CH:33]=3)=[O:20])=[CH:17][N:18]=2)[CH2:8]1)[CH3:2]

Participants

5

Procedure

2-(4-((2-((R)-3-(2-ethoxyphenoxy)piperidin-1-yl)pyrimidine-5-carboxamido)methyl)phenyl)propanoic acid was prepared from (R)-2-(3-(2-ethoxyphenoxy)piperidin-1-yl)pyrimidine-5-carboxylic acid and ethyl 2-(3-(aminomethyl)phenyl)propanoate hydrochloride using Amidation Method 2 (EDCl) and Ester Hydrolysis Method 1 (LiOH). 2-(4-((2-((R)-3-(2-Ethoxyphenoxy)piperidin-1-yl)pyrimidine-5-carboxamido)methyl)phenyl)propanoic acid was isolated by chiral SFC purification: Chiralcel-OJ-H, 5μ, 1.0×25 cm, MeOH/CO2 (20/80), T=35° C.; retention time, Example 15 diasteromer 7.056 min, other diastereomer 7.773 min. 1H NMR (500 MHz, DMSO-d6) δ 12.25 (br s, 1H), 8.84 (app t, 1H), 8.76 (s, 2H), 7.25 (m, 4H), 7.04 (m, 1H), 6.90 (m, 3H), 4.43 (d, 2H), 4.31 (m, 1H), 4.19 (dd, 1H), 3.91 (m, 4H), 3.78 (m, 1H), 3.65 (q, 1H), 2.02 (m, 1H), 1.84 (m, 2H), 1.52 (m, 1H), 1.35 (d, 3H), 1.22 (t, 3H). MS (ES+) 505.2 (M+H).

Sources & evidence

ORD record
ord-ce3fafbaa29b4077a4689b92dcbfa871
Source dataset
uspto-grants-2016_09
Patent number
US09440949B2

Linked notes

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