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Sodium hydride → tert-butyl {1-[2-(7-bromo-5-fluoro-2-oxoquinolin-1(2H)-yl)ethyl]piperidin-4-yl}carbamate

HRID 255338
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반응식

HRID 255338 반응식
BrC1C=C(F)C=C2C=1C=CC(=O)N2.[Br:14][C:15]1[CH:24]=[C:23]2[C:18]([CH:19]=[CH:20][C:21](=[O:25])[NH:22]2)=[C:17]([F:26])[CH:16]=1.[H-].[Na+].CS(O[CH2:34][CH2:35][N:36]1[CH2:41][CH2:40][CH:39]([NH:42][C:43]([O:45][C:46]([CH3:49])([CH3:48])[CH3:47])=[O:44])[CH2:38][CH2:37]1)(=O)=O.FC1C=C2C(N=CC(=O)N2CCN2CCC(NC(=O)OC(C)(C)C)CC2)=CC=1>C(OCC)(=O)C>[Br:14][C:15]1[CH:24]=[C:23]2[C:18]([CH:19]=[CH:20][C:21](=[O:25])[N:22]2[CH2:34][CH2:35][N:36]2[CH2:41][CH2:40][CH:39]([NH:42][C:43](=[O:44])[O:45][C:46]([CH3:49])([CH3:48])[CH3:47])[CH2:38][CH2:37]2)=[C:17]([F:26])[CH:16]=1
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참가 물질

7

반응물 5

HCID 24758Sodium hydrideHCID 568344782-(4-((Tert-butoxycarbonyl)amino)piperidin-1-yl)ethyl methanesulfonate2회HCID 59397942tert-butyl{1-[2-(7-fluoro-2-oxoquinoxalin-1(2H)-yl)ethyl]piperidin-4-yl}carbamateHCID 667743297-bromo-5-fluoroquinolin-2(1H)-one2회HCID 667743565-bromo-7-fluoroquinolin-2(1H)-one

생성물 1

HCID 86642655
tert-butyl {1-[2-(7-bromo-5-fluoro-2-oxoquinolin-1(2H)-yl)ethyl]piperidin-4-yl}carbamate
수율 33%

시약·촉매·용매 1

HCID 8857Ethyl Acetate용매

실험 절차

A mixture of 5-bromo-7-fluoroquinolin-2(1H)-one and 7-bromo-5-fluoroquinolin-2(1H)-one (Intermediate 177 and 178, 3.0 g, 9.4 mmol) was reacted with sodium hydride (60% in oil, 0.20 g, 5.0 mmol) and 2-{4-[(tert-butoxycarbonyl)amino]piperidin-1-yl}ethyl methanesulfonate (Intermediate 6, 9.4 mmol) as described for Intermediate 141. Chromatography on silica gel with a gradient of 50-75% ethyl acetate in hexanes gave 0.63 g (33%) of the regioisomeric product mixture, which was carried on without further purification to the next step.

출처 및 근거

ORD 기록
ord-435302f1ae8d4bdebfc9b180fdd0d1ac
출처 데이터셋
uspto-grants-2011_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07875715B2

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