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Acetic Acid → Benzyl 4-((3-methoxy-3-oxopropyl)amino)piperidine-1-carboxylate

HRID 20241
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인쇄 미리보기

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HRID 20241 반응식
O=[C:2]1[CH2:7][CH2:6][N:5]([C:8]([O:10][CH2:11][C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)=[O:9])[CH2:4][CH2:3]1.Cl.[CH3:19][O:20][C:21](=[O:25])[CH2:22][CH2:23][NH2:24].C(O)(=O)C.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>ClC(Cl)C>[CH3:19][O:20][C:21](=[O:25])[CH2:22][CH2:23][NH:24][CH:2]1[CH2:7][CH2:6][N:5]([C:8]([O:10][CH2:11][C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)=[O:9])[CH2:4][CH2:3]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 176Acetic AcidHCID 643496Benzyl 4-oxopiperidine-1-carboxylateHCID 2734767Methyl 3-aminopropanoate hydrochlorideHCID 5049666Sodium triacetoxyborohydride

생성물 1

HCID 68419530Benzyl 4-((3-methoxy-3-oxopropyl)amino)piperidine-1-carboxylate수율 87.4%

시약·촉매·용매 1

HCID 6365
1,1-Dichloroethane
용매

실험 절차

A solution of benzyl 4-oxopiperidin-1-carboxylate (10 g), β-alanine methyl ester monohydrochloride (5.99 g), acetic acid (4 mL) and sodium triacetoxyborohydride (10.9 g) in dichloroethane (400 mL) was stirred overnight. The reaction mixture was washed with aqueous saturated sodium bicarbonate solution and saturated saline solution, dried over anhydrous sodium sulfate, and concentrated under reduced pressure to obtain the title compound (12.0 g, 87%) as a colorless oil.

후처리

  1. washThe reaction mixture was washed with aqueous saturated sodium bicarbonate solution and saturated saline solution
  2. dry with materialdried over anhydrous sodium sulfate
  3. concentrationconcentrated under reduced pressure

출처 및 근거

ORD 기록
ord-de45e883b33e49fb877442f2ee862f0f
출처 데이터셋
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07745623B2

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