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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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1-Ethyl-3-(3'-dimethylaminopropyl)carbodiimide → tert-Butyl 1-{3-[6-(4-oxo-4H-1,3-benzothiazin-2-yl)-2-pyridyl]propanoyl}-2-pyrrolidinecarboxylate

HRID 499600
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HRID 499600 반응식
[O:1]=[C:2]1[C:7]2[CH:8]=[CH:9][CH:10]=[CH:11][C:6]=2[S:5][C:4]([C:12]2[N:17]=[C:16]([CH2:18][CH2:19][C:20](O)=[O:21])[CH:15]=[CH:14][CH:13]=2)=[N:3]1.[C:23]([O:27][C:28](=[O:34])[C@@H:29]1[CH2:33][CH2:32][CH2:31][NH:30]1)([CH3:26])([CH3:25])[CH3:24].CCN=C=NCCCN(C)C.C1C=CC2N(O)N=NC=2C=1>CN(C)C=O>[O:1]=[C:2]1[C:7]2[CH:8]=[CH:9][CH:10]=[CH:11][C:6]=2[S:5][C:4]([C:12]2[N:17]=[C:16]([CH2:18][CH2:19][C:20]([N:30]3[CH2:31][CH2:32][CH2:33][CH:29]3[C:28]([O:27][C:23]([CH3:26])([CH3:24])[CH3:25])=[O:34])=[O:21])[CH:15]=[CH:14][CH:13]=2)=[N:3]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 757711-HydroxybenzotriazoleHCID 6453108L-Proline 1,1-dimethylethyl esterHCID 99013333-[6-(4-Oxo-4H-1,3-benzothiazin-2-yl)-2-pyridyl]propionic acid

생성물 1

HCID 22939468tert-Butyl 1-{3-[6-(4-oxo-4H-1,3-benzothiazin-2-yl)-2-pyridyl]propanoyl}-2-pyrrolidinecarboxylate수율 78%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

3-[6-(4-oxo-4H-1,3-benzothiazin-2-yl)-2-pyridyl]propionic acid (0.25 g, 0.80 mmol) was dissolved in N,N-dimethylformamide (3 ml), and proline tert-butyl ester (0.15 g, 0.88 mmol), WSC (0.31 g, 1.6 mmol) and HOBt (0.22 g, 1.6 mmol) were successively added thereto. The reaction mixture was stirred for 18 hrs, concentrated under reduced pressure and combined with ethyl acetate and water. The organic layer was washed with saturated brine and dried over magnesium sulfate. The solvent was evaporated, and the residue was recrystallized from isopropyl ether to give the titled compound (0.29 g, 78%) as white crystals.

후처리

  1. concentrationconcentrated under reduced pressure
  2. washThe organic layer was washed with saturated brine
  3. dry with materialdried over magnesium sulfate
  4. customThe solvent was evaporated
  5. customthe residue was recrystallized from isopropyl ether

출처 및 근거

ORD 기록
ord-2f8f62e700cf44d786d8bb921c76976b
출처 데이터셋
uspto-grants-2010_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07767665B2

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