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Tert-butyl 4-[(3-oxo-2,3-dihydrobenzofuran-7-yl)methyl]piperazine-1-carboxylate → HCID 178452294, 화합물

HRID 1750018
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HRID 1750018 반응식
[O:1]=[C:2]1[C:6]2[CH:7]=[CH:8][CH:9]=[C:10]([CH2:11][N:12]3[CH2:17][CH2:16][N:15]([C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:14][CH2:13]3)[C:5]=2[O:4][CH2:3]1.[NH:25]1[C:29]2=[N:30][CH:31]=[CH:32][CH:33]=[C:28]2[C:27]([CH:34]=O)=[N:26]1>CO.N1CCCCC1>[NH:25]1[C:29]2=[N:30][CH:31]=[CH:32][CH:33]=[C:28]2[C:27](/[CH:34]=[C:3]2\[O:4][C:5]3[C:10]([CH2:11][N:12]4[CH2:13][CH2:14][N:15]([C:18]([O:20][C:21]([CH3:24])([CH3:23])[CH3:22])=[O:19])[CH2:16][CH2:17]4)=[CH:9][CH:8]=[CH:7][C:6]=3[C:2]\2=[O:1])=[N:26]1
참가 물질반응 조건실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 60155978Tert-butyl 4-[(3-oxo-2,3-dihydrobenzofuran-7-yl)methyl]piperazine-1-carboxylateHCID 178520050HCID 178520050, 화합물

생성물 1

HCID 178452294HCID 178452294, 화합물수율 48%

시약·촉매·용매 2

HCID 8082Piperidine촉매HCID 887Methanol용매

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온도
60 °C

실험 절차

A solution of tert-butyl 4-[(3-oxo-2,3-dihydrobenzofuran-7-yl)methyl]piperazine-1-carboxylate (0.0442 g, 0.133 mmol) synthesized in Example B45, Step 3 in methanol (3 mL) was added with 1H-pyrazolo[3,4-b]pyridine-3-carboxaldehyde (0.0206 g, 0.140 mmol) and piperidine (7 drops), and the mixture was stirred at 60° C. for 2 hours. The reaction mixture was concentrated, and the resulting residue was purified by silica gel column chromatography (chloroform/methanol) to obtain tert-butyl (Z)-4-({2-[(1H-pyrazolo[3,4-b]pyridin-3-yl)methylene]-3-oxo-2,3-dihydrobenzofuran-7-yl}methyl)piperazine-1-carboxylate (0.0292 g, 48%).

후처리

  1. concentrationThe reaction mixture was concentrated
  2. customthe resulting residue was purified by silica gel column chromatography (chloroform/methanol)

출처 및 근거

ORD 기록
ord-7a03441f2af74b8d9896069f5fcf2041
출처 데이터셋
uspto-grants-2015_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09156827B2

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