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Sodium triacetoxyborohydride → 2-(Methylamino)-4-(2-{4-[2-(1-oxo-1,3-dihydro-2-benzofuran-5-yl)ethyl]piperazin-1-yl}ethyl)benzonitrile

HRID 1519635
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HRID 1519635 반응식
[CH3:1][NH:2][C:3]1[CH:10]=[C:9]([CH2:11][CH2:12][N:13]2[CH2:18][CH2:17][NH:16][CH2:15][CH2:14]2)[CH:8]=[CH:7][C:4]=1[C:5]#[N:6].[O:19]=[C:20]1[C:24]2[CH:25]=[CH:26][C:27]([CH2:29][CH:30]=O)=[CH:28][C:23]=2[CH2:22][O:21]1.[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+]>C(Cl)Cl>[CH3:1][NH:2][C:3]1[CH:10]=[C:9]([CH2:11][CH2:12][N:13]2[CH2:14][CH2:15][N:16]([CH2:30][CH2:29][C:27]3[CH:26]=[CH:25][C:24]4[C:20](=[O:19])[O:21][CH2:22][C:23]=4[CH:28]=3)[CH2:17][CH2:18]2)[CH:8]=[CH:7][C:4]=1[C:5]#[N:6]
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참가 물질

5

반응물 3

HCID 5049666Sodium triacetoxyborohydrideHCID 675133682-(Methylamino)-4-(2-piperazin-1-ylethyl)benzonitrileHCID 772312612-(1-Oxo-1,3-dihydroisobenzofuran-5-yl)acetaldehyde

생성물 1

HCID 569708632-(Methylamino)-4-(2-{4-[2-(1-oxo-1,3-dihydro-2-benzofuran-5-yl)ethyl]piperazin-1-yl}ethyl)benzonitrile

시약·촉매·용매 1

HCID 6344Dichloromethane
용매
2회

실험 절차

A solution of crude 2-(methylamino)-4-(2-piperazin-1-ylethyl)benzonitrile (˜18 mg, 0.05 mmol), (1-oxo-1,3-dihydro-2-benzofuran-5-yl)acetaldehyde (9 mg, 0.05 mmol) and NaBH(OAc)3 (100 mg, 0.47 mmol) in 10 mL of anhydrous DCM was stirred at ambient temperature overnight. The reaction mixture was added 50 mL of DCM and washed with brine. The organic layer was dried over anhydrous sodium sulfate and concentrated. The residue was purified with prep-TLC to afford 2-(methylamino)-4-(2-{4-[2-(1-oxo-1,3-dihydro-2-benzofuran-5-yl)ethyl]piperazin-1-yl}ethyl)benzonitrile. 1H-NMR (400 MHz, CDCl3) δ 7.77 (d, J=7.8, 1H), 7.22˜7.32 (m, 3H), 6.42˜6.47 (m, 2H), 5.22 (s, 2H), 4.50˜4.58 (m, 1H), 2.84˜2.91 (m, 7H), 2.72˜2.77 (m, 2H), 2.53˜2.67 (m, 10H). (0.43 μM)

후처리

  1. washwashed with brine
  2. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  3. concentrationconcentrated
  4. customThe residue was purified with prep-TLC

출처 및 근거

ORD 기록
ord-3938c3003e1c420ab6bd635704b6ad8a
출처 데이터셋
uspto-grants-2015_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09073882B2

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