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Sodium hydride → 4-[2-Cyano-3-[[(3S)-hexahydro-2-oxo-1-[2-oxo-2-(1-pyrrolidinyl)ethyl]-1H-azepin-3-yl]amino]-3-[(2-methyl-5-benzofuranyl)amino]-1-oxo-2-propenyl]benzoic acid methyl ester

HRID 1264627
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HRID 1264627 반응식
[C:1]([CH2:3][C:4]([C:6]1[CH:15]=[CH:14][C:9]([C:10]([O:12][CH3:13])=[O:11])=[CH:8][CH:7]=1)=[O:5])#[N:2].[H-].[Na+].[N:18]([C:21]1[CH:22]=[CH:23][C:24]2[O:28][C:27]([CH3:29])=[CH:26][C:25]=2[CH:30]=1)=[C:19]=S.[NH2:31][C@H:32]1[CH2:38][CH2:37][CH2:36][CH2:35][N:34]([CH2:39][C:40]([N:42]2[CH2:46][CH2:45][CH2:44][CH2:43]2)=[O:41])[C:33]1=[O:47]>CN(C=O)C.C(OCC)(=O)C.[Hg](Cl)Cl>[CH3:13][O:12][C:10](=[O:11])[C:9]1[CH:14]=[CH:15][C:6]([C:4](=[O:5])[C:3]([C:1]#[N:2])=[C:19]([NH:31][C@H:32]2[CH2:38][CH2:37][CH2:36][CH2:35][N:34]([CH2:39][C:40](=[O:41])[N:42]3[CH2:43][CH2:44][CH2:45][CH2:46]3)[C:33]2=[O:47])[NH:18][C:21]2[CH:22]=[CH:23][C:24]3[O:28][C:27]([CH3:29])=[CH:26][C:25]=3[CH:30]=2)=[CH:7][CH:8]=1
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참가 물질

8

반응물 4

HCID 24758Sodium hydrideHCID 736021Methyl 4-(cyanoacetyl)benzoateHCID 120478195-Isothiocyanato-2-methylbenzofuranHCID 12047820(S)-1-[(3-amino-hexahydro-2-oxo-1H-azepin-1-yl)acetyl]pyrrolidine

생성물 1

HCID 700328734-[2-Cyano-3-[[(3S)-hexahydro-2-oxo-1-[2-oxo-2-(1-pyrrolidinyl)ethyl]-1H-azepin-3-yl]amino]-3-[(2-methyl-5-benzofuranyl)amino]-1-oxo-2-propenyl]benzoic acid methyl ester
수율 49.3%

시약·촉매·용매 3

HCID 24085Mercuric Chloride촉매HCID 6228Dimethylformamide용매HCID 8857Ethyl Acetate용매

실험 절차

To a solution of methyl 4-(cyanoacetyl)benzoate (0.304 g, 1.50 mmol) in DMF (2 mL) was added sodium hydride (68.0 mg, 2.25 mmol). The reaction mixture was stirred at room temperature for 30 min. To the solution was then added 5-isothiocyanato-2-methylbenzofuran (0.284 g, 1.50 mmol). The reaction mixture was stirred at room temperature for 3 h at which time 1-[[(3S)-3-aminohexahydro-2-oxo-1H-azepin-1-yl]acetyl]pyrrolidine (0.358, 1.50 mmol) and mercury (II) chloride (0.407 g, 1.50 mmol) were added. The reaction mixture was stirred for another 30 min. The reaction mixture was passed through CELITE and diluted with 50 mL of ethyl acetate. The organic solution was washed 2×25 mL with brine and was concentrated in vacuo. The residue was purified by flash chromatography (silica, 4% methanol/ethyl acetate) to give the title compound as yellow solid (0.442 g, 49% yield): HPLC (method A) tR 4.1 min; MS (ESI, pos. ion spectrum) m/z 598 (M+H).

후처리

  1. additionwere added
  2. stirringThe reaction mixture was stirred for another 30 min
  3. washThe organic solution was washed 2×25 mL with brine
  4. concentrationwas concentrated in vacuo
  5. customThe residue was purified by flash chromatography (silica, 4% methanol/ethyl acetate)

출처 및 근거

ORD 기록
ord-208b33a662b7400cbe1e6fdbf618205c
출처 데이터셋
uspto-grants-2003_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06544981B2

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