Triethylamine → 4-(2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydroimidazo[1,2-d]pyrido[3,4-f][1,4]oxazepin-9-yl)piperazin-2-one

HRID 1498403Notes

Reaction equation

HRID 1498403 reaction equation
Cl[C:2]1[N:23]=[CH:22][C:5]2[C:6]3[N:7]([CH:11]=[C:12]([C:14]4[N:18]([CH:19]([CH3:21])[CH3:20])[N:17]=[CH:16][N:15]=4)[N:13]=3)[CH2:8][CH2:9][O:10][C:4]=2[CH:3]=1.[NH:24]1[CH2:29][CH2:28][NH:27][CH2:26][C:25]1=[O:30].C(N(CC)CC)C.CN1CCCC1=O>>[CH:19]([N:18]1[C:14]([C:12]2[N:13]=[C:6]3[C:5]4[CH:22]=[N:23][C:2]([N:27]5[CH2:28][CH2:29][NH:24][C:25](=[O:30])[CH2:26]5)=[CH:3][C:4]=4[O:10][CH2:9][CH2:8][N:7]3[CH:11]=2)=[N:15][CH:16]=[N:17]1)([CH3:21])[CH3:20]

Participants

5

Reactant 4

HCID 8471TriethylamineHCID 13387N-methyl-2-pyrrolidoneHCID 231360Piperazin-2-oneHCID 582045209-chloro-2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydroimidazo[1,2-d]pyrido[3,4-f][1,4]oxazepine

Product 1

HCID 582048534-(2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydroimidazo[1,2-d]pyrido[3,4-f][1,4]oxazepin-9-yl)piperazin-2-one

Procedure

A solution of 9-chloro-2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydroimidazo[1,2-d]pyrido[3,4-f][1,4]oxazepine 317 (55.0 mg, 0.166 mmol), piperazin-2-one (0.110 g, 1.10 mmol) and triethylamine (0.275 mL, 1.97 mmol) in N-methylpyrrolidinone (3.00 mL, 31.1 mmol) was heated at 150° C. for 2 d. The reaction was filtered thru celite then rinsed with EtOAc. The filtrate was washed water and brine. The organic layer was dried Na2SO4, concentrated to give 325, analyzed by rHPLC. MS: (ESI+)=395.1. 1H NMR (400 MHz, DMSO) δ 8.55 (d, J=8.7 Hz, 1H), 8.10 (s, 1H), 7.88 (s, 1H), 7.81 (s, 1H), 6.70 (d, J=8.8 Hz, 1H), 5.88 (dt, J=13.2, 6.6 Hz, 1H), 4.63-4.30 (m, 4H), 4.06 (d, J=8.0 Hz, 2H), 3.81-3.63 (m, 2H), 1.47 (d, J=6.6 Hz, 6H).

Workup

  1. filtrationThe reaction was filtered thru celite
  2. washthen rinsed with EtOAc
  3. washThe filtrate was washed water and brine
  4. concentrationconcentrated

Sources & evidence

ORD record
ord-b610151a69784dfdbf867ddaf3612fed
Source dataset
uspto-grants-2015_12
Patent number
US09198918B2

Reaction notes

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