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Cesium carbonate → Methyl cis(+/-)-5-(4-{[(benzyloxy)carbonyl]amino}-3-methoxypiperidin-1-yl)-2-methylpyridine-3-carboxylate

HRID 43771
Notes
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Reaction equation

HRID 43771 reaction equation
Cl.[CH3:2][O:3][C@H:4]1[C@@H:9]([NH:10][C:11](=[O:20])[O:12][CH2:13][C:14]2[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=2)[CH2:8][CH2:7][NH:6][CH2:5]1.Cl[C:22]1[CH:23]=[C:24]([C:29]([O:31][CH3:32])=[O:30])[C:25]([CH3:28])=[N:26][CH:27]=1.C1C=CC(P(C2C(C3C(P(C4C=CC=CC=4)C4C=CC=CC=4)=CC=C4C=3C=CC=C4)=C3C(C=CC=C3)=CC=2)C2C=CC=CC=2)=CC=1.C(=O)([O-])[O-].[Cs+].[Cs+]>C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[CH2:13]([O:12][C:11]([NH:10][C@H:9]1[CH2:8][CH2:7][N:6]([C:22]2[CH:23]=[C:24]([C:29]([O:31][CH3:32])=[O:30])[C:25]([CH3:28])=[N:26][CH:27]=2)[CH2:5][C@H:4]1[O:3][CH3:2])=[O:20])[C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1
ParticipantsProcedureSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 10796Cesium carbonateHCID 634876Binap, (A+-)-HCID 10867045Methyl 5-chloro-2-methylnicotinateHCID 86648698Benzyl cis(+/-)-[3-methoxypiperidin-4-yl]carbamate hydrochloride

Product 1

HCID 86648719Methyl cis(+/-)-5-(4-{[(benzyloxy)carbonyl]amino}-3-methoxypiperidin-1-yl)-2-methylpyridine-3-carboxylate
Yield 86.4%

Reagents, catalysts & solvents 1

HCID 167845palladium(II) acetateCatalyst

Procedure

The same operation as in Example (42a) was performed using benzyl cis(±)-[3-methoxypiperidin-4-yl]carbamate hydrochloride obtained in Example (160a) (190 mg, 0.63 mmol), methyl 5-chloro-2-methylpyridine-3-carboxylate (117 mg, 0.63 mmol), palladium acetate (14.2 mg, 0.06 mmol), BINAP (78.6 mg, 0.13 mmol) and cesium carbonate (617 mg, 1.89 mmol), to obtain 225 mg of the title compound as a brown oily substance (86%).

Sources & evidence

ORD record
ord-dc8f50306dd3463c81a28cf1cc156f80
Source dataset
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08536197B2

Reaction notes

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On this pageParticipantsProcedureSources & evidenceReaction notes