1-[2-(4-Aminopiperidin-1-yl)ethyl]-2-oxo-1,2-dihydroquinoline-7-carbonitrile → 4-[2-(4-Aminopiperidin-1-yl)ethyl]-6-bromo-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one

HRID 255238Notes

Reaction equation

HRID 255238 reaction equation
[Br:1][C:2]1[CH:3]=[CH:4][C:5]2[O:6][CH2:7][C:8](=[O:28])[N:9]([CH2:12][CH2:13][N:14]3[CH2:19][CH2:18][CH:17]([NH:20]C(=O)OC(C)(C)C)[CH2:16][CH2:15]3)[C:10]=2[N:11]=1.NC1CCN(CCN2C3C(=CC=C(C#N)C=3)C=CC2=O)CC1>>[NH2:20][CH:17]1[CH2:18][CH2:19][N:14]([CH2:13][CH2:12][N:9]2[C:8](=[O:28])[CH2:7][O:6][C:5]3[CH:4]=[CH:3][C:2]([Br:1])=[N:11][C:10]2=3)[CH2:15][CH2:16]1

Participants

3

Reactant 2

HCID 602009201-[2-(4-Aminopiperidin-1-yl)ethyl]-2-oxo-1,2-dihydroquinoline-7-carbonitrileHCID 86642620tert-Butyl{1-[2-(6-bromo-3-oxo-2,3-dihydro-4H-pyrido[3,2-b][1,4]oxazin-4-yl)ethyl]piperidin-4-yl}carbamate2×

Product 1

HCID 866426194-[2-(4-Aminopiperidin-1-yl)ethyl]-6-bromo-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one

Procedure

tert-Butyl {1-[2-(6-bromo-3-oxo-2,3-dihydro-4H-pyrido[3,2-b][1,4]oxazin-4-yl)ethyl]piperidin-4-yl}carbamate (Intermediate 80) was reacted as described for Intermediate 14. The crude trifluoro acetate of the title compound was used without further purification for the next step (quantitative yield).

Workup

  1. customThe crude trifluoro acetate of the title compound was used without further purification for the next step (quantitative yield)

Sources & evidence

ORD record
ord-9d32dd227ec44255a76c4d885e72e2e0
Source dataset
uspto-grants-2011_01
Patent number
US07875715B2

Reaction notes

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