Hydrochloric Acid → 1-{6-[2-(2,4-Dichloro-phenyl)-ethylamino]-2-methoxy-pyrimidin-4-yl}-piperidine-3-carboxylic acid

HRID 2110743Notes

Reaction equation

Cl[C:2]1[N:7]=[C:6]([O:8][CH3:9])[N:5]=[C:4]([NH:10][CH2:11][CH2:12][C:13]2[CH:18]=[CH:17][C:16]([Cl:19])=[CH:15][C:14]=2[Cl:20])[CH:3]=1.[NH:21]1[CH2:29][CH2:28][CH2:27][CH:23]([C:24]([OH:26])=[O:25])[CH2:22]1.C([O-])([O-])=O.[K+].[K+].Cl>O.CN1CCCC1=O>[Cl:20][C:14]1[CH:15]=[C:16]([Cl:19])[CH:17]=[CH:18][C:13]=1[CH2:12][CH2:11][NH:10][C:4]1[N:5]=[C:6]([O:8][CH3:9])[N:7]=[C:2]([N:21]2[CH2:29][CH2:28][CH2:27][CH:23]([C:24]([OH:26])=[O:25])[CH2:22]2)[CH:3]=1

Participants

Conditions

Temperature: 140 °C

Procedure

In a tube is combined (6-chloro-2-methoxy-pyrimidin-4-yl)-[2-(2,4-dichloro-phenyl)-ethyl]-amine [200 mg, 0.6 mmol, Intermediate (44)], nipecotic acid (194 mg, 1.5 mmol), K2CO3 (249 mg, 1.8 mmol) and 1-methyl-2-pyrrolidinone (2.5 mL). The tube is sealed and heated to 140° C. and stirred for 5 hours. The mixture is allowed to cool to ambient temperature, stand for 12 hours, diluted with water (20 mL) and acidified using 3M HCl. A precipitate forms and is collected by filtration and dried under high vacuum to afford 1-{6-[2-(2,4-dichloro-phenyl)-ethylamino]-2-methoxy-pyrimidin-4-yl}-piperidine-3-carboxylic acid [121 mg, 47%, Example 73] as a solid. LCMS RT=2.15 minutes, MS: 425 (M+H). IC50=0.8 nM

Workup

customIn a tube is combined
customThe tube is sealed
temperatureto cool to ambient temperature
waitstand for 12 hours
filtrationA precipitate forms and is collected by filtration
customdried under high vacuum

Sources & evidence

ORD record: ord-a215e3c060ae4e749f4230e59d44bb0d
Source dataset: uspto-grants-2009_04
DOI: 10.6084/m9.figshare.5104873.v1
Patent number: US07517889B2

Reaction notes

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