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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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Sodium triacetoxyborohydride → Methyl (3S,4R)-1-[2-(5,7-difluoro-2-oxoquinolin-1(2H)-yl)ethyl]-4-[(2,3-dihydro[1,4]dioxino[2,3-c]pyridin-7-ylmethyl)amino]piperidine-3-carboxylate

HRID 1644307
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HRID 1644307 반응식
[NH2:1][C@@H:2]1[CH2:7][CH2:6][N:5]([CH2:8][CH2:9][N:10]2[C:19]3[C:14](=[C:15]([F:21])[CH:16]=[C:17]([F:20])[CH:18]=3)[CH:13]=[CH:12][C:11]2=[O:22])[CH2:4][C@@H:3]1[C:23]([O:25][CH3:26])=[O:24].[O:27]1[C:36]2[CH:35]=[C:34]([CH:37]=O)[N:33]=[CH:32][C:31]=2[O:30][CH2:29][CH2:28]1.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>ClCCl.CO>[F:21][C:15]1[CH:16]=[C:17]([F:20])[CH:18]=[C:19]2[C:14]=1[CH:13]=[CH:12][C:11](=[O:22])[N:10]2[CH2:9][CH2:8][N:5]1[CH2:6][CH2:7][C@@H:2]([NH:1][CH2:37][C:34]2[N:33]=[CH:32][C:31]3[O:30][CH2:29][CH2:28][O:27][C:36]=3[CH:35]=2)[C@@H:3]([C:23]([O:25][CH3:26])=[O:24])[CH2:4]1
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참가 물질

5

반응물 3

HCID 5049666Sodium triacetoxyborohydrideHCID 218736682,3-Dihydro[1,4]dioxino[2,3-c]pyridine-7-carbaldehydeHCID 66775175Methyl (3S,4R)-4-amino-1-[2-(5,7-difluoro-2-oxoquinolin-1(2H)-yl)ethyl]piperidine-3-carboxylate2회

생성물 1

HCID 15983433Methyl (3S,4R)-1-[2-(5,7-difluoro-2-oxoquinolin-1(2H)-yl)ethyl]-4-[(2,3-dihydro[1,4]dioxino[2,3-c]pyridin-7-ylmethyl)amino]piperidine-3-carboxylate수율 77%

시약·촉매·용매 1

HCID 21226129Dichloromethane methanol용매

실험 절차

Methyl(3S,4R)-4-amino-1-[2-(5,7-difluoro-2-oxoquinolin-1(2H)-yl)ethyl]piperidine-3-carboxylate (Intermediate 34) (120 mg, 0.328 mmol), 2,3-dihydro[1,4]dioxino[2,3-c]pyridine-7-carbaldehyde (WO 2004/058144) (54 mg, 0.328 mmol) and sodium triacetoxy borohydride (209 mg, 0.98 mmol) were reacted as described for Example 6. Chromatography on silica gel with dichloromethane/methanol (20:1) gave 130 mg (77%) of product as a colorless hard foam.

출처 및 근거

ORD 기록
ord-17afb8812ae44b4ab6ec44b13e552edb
출처 데이터셋
uspto-grants-2012_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08124602B2

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