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4-Cyanophenylboronic acid → 4-(6-(4-chlorophenyl)-1-methyl-7-oxo-4H-isoxazolo[5,4-c]pyrido[4,3-e]azepin-8(7H)-yl)benzonitrile

HRID 2401378
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HRID 2401378 반응식
[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:14]3[C:15](=[O:19])[NH:16][CH:17]=[CH:18][C:13]=3[C:12]3[C:20]([CH3:23])=[N:21][O:22][C:11]=3[CH2:10][N:9]=2)=[CH:4][CH:3]=1.[C:24]([C:26]1[CH:31]=[CH:30][C:29](B(O)O)=[CH:28][CH:27]=1)#[N:25]>C([O-])(=O)C.[Cu+2].C([O-])(=O)C.N1C=CC=CC=1>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:14]3[C:15](=[O:19])[N:16]([C:29]4[CH:30]=[CH:31][C:26]([C:24]#[N:25])=[CH:27][CH:28]=4)[CH:17]=[CH:18][C:13]=3[C:12]3[C:20]([CH3:23])=[N:21][O:22][C:11]=3[CH2:10][N:9]=2)=[CH:4][CH:3]=1
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HCID 27343264-Cyanophenylboronic acidHCID 1359818826-(4-chlorophenyl)-1-methyl-4H-isoxazolo[4,5-e]pyrido[3,4-c]azepin-7(8H)-one

생성물 1

HCID 573445244-(6-(4-chlorophenyl)-1-methyl-7-oxo-4H-isoxazolo[5,4-c]pyrido[4,3-e]azepin-8(7H)-yl)benzonitrile수율 82.1%

시약·촉매·용매 2

HCID 8895Cupric acetate촉매HCID 1049
Pyridine
용매

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온도
40 °C

실험 절차

6-(4-Chlorophenyl)-1-methyl-4H-isoxazolo[4,5-e]pyrido[3,4-c]azepin-7(8H)-one (0.025 g, 0.077 mmol), 4-cyanophenylboronic acid (0.023 g, 0.153 mmol), copper(II) acetate (0.035 g, 0.192 mmol) and pyridine (1 mL) were charged into a vial equipped with a stir bar. The reaction was heated to 40° C. for 3 h in an open vial (to allow contact with air) before silica gel was added. Then the pyridine was removed under vacuum. The dry silica gel was packed and the adsorbed product was purified by flash chromatography (hexane/EtOAc 19:1 to 4:6) to give 4-(6-(4-chlorophenyl)-1-methyl-7-oxo-4H-isoxazolo[5,4-c]pyrido[4,3-e]azepin-8(7H)-yl)benzonitrile as an off-white solid (0.027 g). 1H NMR (400 MHz, DMSO-d6) δ 8.04 (d, J=6.87 Hz, 1H), 8.02 (td, J=2.10, 8.24 Hz, 2H), 7.66 (td, J=2.10, 8.70 Hz, 2H), 7.49 (td, J=2.10, 8.47 Hz, 2H), 7.35 (td, J=2.30, 8.70 Hz, 2H), 6.84 (d, J=7.32 Hz, 1H), 5.26 (d, J=13.28 Hz, 1H), 4.18 (d, J=13.05 Hz, 1H), 2.56 (s, 3H); LC/MS m/z 427 [M+H]+.

후처리

  1. customa vial equipped with a stir bar
  2. additionwas added
  3. customThen the pyridine was removed under vacuum
  4. customthe adsorbed product was purified by flash chromatography (hexane/EtOAc 19:1 to 4:6)

출처 및 근거

ORD 기록
ord-6cbf7e34ff754ef98203a5aa9a0bb8ab
출처 데이터셋
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08796261B2

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