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Sodium hydride → 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

HRID 255239
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HRID 255239 반응식
[Br:1][C:2]1[CH:3]=[CH:4][C:5]2[O:6][CH2:7][C:8](=[O:12])[NH:9][C:10]=2[N:11]=1.[H-].[Na+].CS(O[CH2:20][CH2:21][N:22]1[CH2:27][CH2:26][CH:25]([NH:28][C:29]([O:31][C:32]([CH3:35])([CH3:34])[CH3:33])=[O:30])[CH2:24][CH2:23]1)(=O)=O.COC1C=C2C(C=CC(=O)N2CCN2CCC(NC(=O)OC(C)(C)C)CC2)=CC=1>>[Br:1][C:2]1[CH:3]=[CH:4][C:5]2[O:6][CH2:7][C:8](=[O:12])[N:9]([CH2:20][CH2:21][N:22]3[CH2:27][CH2:26][CH:25]([NH:28][C:29](=[O:30])[O:31][C:32]([CH3:35])([CH3:34])[CH3:33])[CH2:24][CH2:23]3)[C:10]=2[N:11]=1
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참가 물질

5

반응물 4

HCID 24758Sodium hydrideHCID 218737726-Bromo-2H-pyrido[3,2-B][1,4]oxazin-3(4H)-oneHCID 568344782-(4-((Tert-butoxycarbonyl)amino)piperidin-1-yl)ethyl methanesulfonate2회HCID 59371209tert-butyl {1-[2-(7-methoxy-2-oxoquinolin-1(2H)-yl)ethyl]piperidin-4-yl}carbamate

생성물 1

HCID 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}carbamate
수율 92%

실험 절차

6-Bromo-2H-pyrido[3,2-b][1,4]oxazin-3(4H)-one (WO 2004/058144) (935 mg, 4.08 mmol) was deprotonated with sodium hydride and alkylated with 2-{4-[(tert-butoxycarbonyl)amino]piperidin-1-yl}ethyl methanesulfonate (Intermediate 6) (5.6 mmol) as described for Intermediate 2, but chromatography was omitted, to give the product as a solid in 92% yield.

출처 및 근거

ORD 기록
ord-0c0305fd4be142aa9036ae1fb2f19d46
출처 데이터셋
uspto-grants-2011_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07875715B2

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