tert-Butyl {1-[2-(6-methoxy-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)ethyl]piperidine-4-yl}carbamate → 4-[2-(4-Aminopiperidin-1-yl)ethyl]-6-methoxy-2H-1,4-benzoxazin 3 (4H)-one

HRID 1644324Notes

Reaction equation

HRID 1644324 reaction equation
C(OC(=O)[NH:7][CH:8]1[CH2:13][CH2:12][N:11]([CH2:14][CH2:15][N:16]2[C:21]3[CH:22]=[C:23]([O:26][CH3:27])[CH:24]=[CH:25][C:20]=3[O:19][CH2:18][C:17]2=[O:28])[CH2:10][CH2:9]1)(C)(C)C.NC1CCN(CCN2C3C(=CC=C(C#N)C=3)C=CC2=O)CC1>>[NH2:7][CH:8]1[CH2:9][CH2:10][N:11]([CH2:14][CH2:15][N:16]2[C:21]3[CH:22]=[C:23]([O:26][CH3:27])[CH:24]=[CH:25][C:20]=3[O:19][CH2:18][C:17]2=[O:28])[CH2:12][CH2:13]1

Participants

3

Procedure

tert-Butyl{1-[2-(6-methoxy-3-oxo-2,3-dihydro-4H-1,4-benzoxazin-4-yl)ethyl]piperidine-4-yl}carbamate (Intermediate 47) (510 mg, 1.26 mmol) 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-231aebba374d4d8fa1f6016e724affe2
Source dataset
uspto-grants-2012_02
Patent number
US08124602B2

Reaction notes

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