Triethylamine → N-[(2S,6R)-4-(Cyclopropylmethyl)-5-oxo-2-phenyl-1,4-oxazepan-6-yl]-4-(2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxamide

HRID 1768242Notes

Reaction equation

HRID 1768242 reaction equation
C(N(CC)CC)C.[NH2:8][C@@H:9]1[CH2:15][O:14][C@@H:13]([C:16]2[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=2)[CH2:12][N:11]([CH2:22][CH:23]2[CH2:25][CH2:24]2)[C:10]1=[O:26].Cl[C:28](OC1C=CC([N+]([O-])=O)=CC=1)=[O:29].C(N(C(C)C)CC)(C)C.Cl.Cl.[O:51]=[C:52]1[NH:60][C:55]2=[N:56][CH:57]=[CH:58][CH:59]=[C:54]2[N:53]1[CH:61]1[CH2:66][CH2:65][NH:64][CH2:63][CH2:62]1>O1CCCC1.ClCCl>[CH:23]1([CH2:22][N:11]2[C:10](=[O:26])[C@H:9]([NH:8][C:28]([N:64]3[CH2:65][CH2:66][CH:61]([N:53]4[C:54]5[C:55](=[N:56][CH:57]=[CH:58][CH:59]=5)[NH:60][C:52]4=[O:51])[CH2:62][CH2:63]3)=[O:29])[CH2:15][O:14][C@@H:13]([C:16]3[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=3)[CH2:12]2)[CH2:25][CH2:24]1

Participants

8

Reactant 5

HCID 8471TriethylamineHCID 81531DiisopropylethylamineHCID 821294-Nitrophenyl chloroformateHCID 222931811-(piperidin-4-yl)-1H,2H,3H-imidazo[4,5-b]pyridin-2-one dihydrochlorideHCID 60037869(2S,6R)-6-amino-4-(cyclopropylmethyl)-2-phenyl-1,4-oxazepan-5-one

Product 1

HCID 11283500N-[(2S,6R)-4-(Cyclopropylmethyl)-5-oxo-2-phenyl-1,4-oxazepan-6-yl]-4-(2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-1-yl)piperidine-1-carboxamideYield 85.8%

Reagents, catalysts & solvents 2

HCID 6344DichloromethaneSolventHCID 8028TetrahydrofuranSolvent

Procedure

Triethylamine (0.015 mL, 0.109 mmol) was added to a solution of (2S,6R)-6-amino-4-(cyclopropylmethyl)-2-phenyl-1,4-oxazepan-5-one (27 mg, 0.104 mmol) and 4-nitrophenyl chloroformate (22 mg, 0.109 mmol) in tetrahydrofuran (2 mL) at 0° C. After 0.5 h, diisopropylethylamine (0.072 mL, 0.415 mmol), 2-oxo-1-(4-piperidinyl)-2,3-dihydro-1H-imidazo[4,5-b]pyridine dihydrochloride (36 mg, 0.124 mmol), and dichloromethane (2.5 mL) were added and the mixture warmed to ambient temperature. After 18 h, the mixture was concentrated. Purification by silca gel chromatography (100% dichloromethane→95% dichloromethane/methanol) gave the title compound (45 mg). MS 505.2559 (M+1).

Workup

  1. waitAfter 18 h
  2. concentrationthe mixture was concentrated
  3. customPurification by silca gel chromatography (100% dichloromethane→95% dichloromethane/methanol)

Sources & evidence

ORD record
ord-3d8e543afff4478494d8c26297b03472
Source dataset
uspto-grants-2007_06
Patent number
US07235545B2

Reaction notes

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