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tert-Butyl 2-(9-iodo-7-(4-Isopropoxy-3-(trifluoromethyl)benzyloxy)-2,3-dihydro-1H-pyrrolo[1,2-a]indol-1-yl)acetate → tert-Butyl 2-(7-(4-Isopropoxy-3-(trifluoromethyl)benzyloxy)-9-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]indol-1-yl)acetate

HRID 1964125
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HRID 1964125 반응식
I[C:2]1[C:10]2[CH:9]=[C:8]([O:11][CH2:12][C:13]3[CH:18]=[CH:17][C:16]([O:19][CH:20]([CH3:22])[CH3:21])=[C:15]([C:23]([F:26])([F:25])[F:24])[CH:14]=3)[CH:7]=[CH:6][C:5]=2[N:4]2[CH2:27][CH2:28][CH:29]([CH2:30][C:31]([O:33][C:34]([CH3:37])([CH3:36])[CH3:35])=[O:32])[C:3]=12.[CH3:38][Zn]C>C1COCC1>[CH:20]([O:19][C:16]1[CH:17]=[CH:18][C:13]([CH2:12][O:11][C:8]2[CH:7]=[CH:6][C:5]3[N:4]4[CH2:27][CH2:28][CH:29]([CH2:30][C:31]([O:33][C:34]([CH3:35])([CH3:36])[CH3:37])=[O:32])[C:3]4=[C:2]([CH3:38])[C:10]=3[CH:9]=2)=[CH:14][C:15]=1[C:23]([F:26])([F:24])[F:25])([CH3:21])[CH3:22]
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반응물 2

HCID 67251011tert-Butyl 2-(9-iodo-7-(4-Isopropoxy-3-(trifluoromethyl)benzyloxy)-2,3-dihydro-1H-pyrrolo[1,2-a]indol-1-yl)acetateHCID 178477796HCID 178477796, 화합물

생성물 1

HCID 67249074tert-Butyl 2-(7-(4-Isopropoxy-3-(trifluoromethyl)benzyloxy)-9-methyl-2,3-dihydro-1H-pyrrolo[1,2-a]indol-1-yl)acetate수율 57.2%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of tert-butyl 2-(9-iodo-7-(4-isopropoxy-3-(trifluoromethyl)benzyloxy)-2,3-dihydro-1H-pyrrolo[1,2-a]indol-1-yl)acetate (0.778 g, 1.236 mmol) in THF (12.3 mL) under nitrogen was added 2 M solution of dimethylzinc (1.854 mL, 3.71 mmol), followed by bis(tri-t-butylphosphine)Pd(0) (0.057 g, 0.111 mmol). The reaction was stirred overnight, slowly quenched with saturated NaHCO3, diluted with EtOAc, and filtered through Celite®. The organics were washed with water (twice), brine, dried over MgSO4, and filtered. The solvent was removed under vacuum. The residue was purified by silica gel column chromatography to give the title compound as a solid (0.366 g). LCMS m/z=518.6 [M+H]+; 1H NMR (400 MHz, DMSO-d6) δ ppm 1.28 (d, J=5.94 Hz, 6H), 1.38 (s, 9H), 2.15 (s, 3H), 2.19-2.30 (m, 1H), 2.43-2.48 (m, 1H), 2.69-2.81 (m, 2H), 3.54-3.64 (m, 1H), 3.86-3.96 (m, 1H), 3.98-4.07 (m, 1H), 4.73-4.84 (m, 1H), 5.07 (s, 2H), 6.74 (dd, J=8.65, 2.34 Hz, 1H), 7.00 (d, J=2.27 Hz, 1H), 7.13 (d, J=8.72 Hz, 1H), 7.29 (d, J=9.35 Hz, 1H), 7.64-7.71 (m, 2H).

후처리

  1. customslowly quenched with saturated NaHCO3
  2. additiondiluted with EtOAc
  3. filtrationfiltered through Celite®
  4. washThe organics were washed with water (twice), brine
  5. dry with materialdried over MgSO4
  6. filtrationfiltered
  7. customThe solvent was removed under vacuum
  8. customThe residue was purified by silica gel column chromatography

출처 및 근거

ORD 기록
ord-a1baa509f369487bb10a600e885635b4
출처 데이터셋
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08415484B2

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