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Cesium carbonate → 2-((1-((2-((3aR,7aR)-2,2-dimethylhexahydrobenzo[d]oxazol-3(2H)-yl)benzo[d]thiazol-6-yl)methyl)-1H-benzo[d]imidazol-5-yl)oxy)ethanol

HRID 1848212
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HRID 1848212 반응식
[CH3:1][C:2]1([CH3:31])[N:6]([C:7]2[S:8][C:9]3[CH:15]=[C:14]([CH2:16][N:17]4[C:21]5[CH:22]=[CH:23][C:24]([OH:26])=[CH:25][C:20]=5[N:19]=[CH:18]4)[CH:13]=[CH:12][C:10]=3[N:11]=2)[C@@H:5]2[CH2:27][CH2:28][CH2:29][CH2:30][C@H:4]2[O:3]1.I[CH2:33][CH2:34][OH:35].C([O-])([O-])=O.[Cs+].[Cs+].CN1C(=O)CCC1>CCOC(C)=O>[CH3:1][C:2]1([CH3:31])[N:6]([C:7]2[S:8][C:9]3[CH:15]=[C:14]([CH2:16][N:17]4[C:21]5[CH:22]=[CH:23][C:24]([O:26][CH2:33][CH2:34][OH:35])=[CH:25][C:20]=5[N:19]=[CH:18]4)[CH:13]=[CH:12][C:10]=3[N:11]=2)[C@@H:5]2[CH2:27][CH2:28][CH2:29][CH2:30][C@H:4]2[O:3]1
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6

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HCID 10796Cesium carbonateHCID 12225IodoethanolHCID 13387N-methyl-2-pyrrolidoneHCID 866811861-((2-((3aR,7aR)-2,2-dimethylhexahydrobenzo[d]oxazol-3(2H)-yl)benzo[d]thiazol-6-yl)methyl)-1H-benzo[d]imidazol-5-ol

생성물 1

HCID 866811882-((1-((2-((3aR,7aR)-2,2-dimethylhexahydrobenzo[d]oxazol-3(2H)-yl)benzo[d]thiazol-6-yl)methyl)-1H-benzo[d]imidazol-5-yl)oxy)ethanol
수율 39%

시약·촉매·용매 1

HCID 8857Ethyl Acetate용매

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온도
100 °C

실험 절차

A stirred mixture of 1-((2-((3aR,7aR)-2,2-dimethylhexahydrobenzo[d]oxazol-3(2H)-yl)benzo[d]thiazol-6-yl)methyl)-1H-benzo[d]imidazol-5-ol (60 mg, 0.14 mmol) from Step 1 of Example 171, 2-iodoethanol (60 mg, 0.35 mmol), Cs2CO3 (137 mg, 0.42 mmol), and NMP (2 mL) was heated at 100° C. for 24 h. The mixture was diluted with EtOAc and washed with brine. The organic layer was separated, dried over Na2SO4, filtered, and concentrated under reduced pressure. The residue was purified by preparative TLC to afford 2-((1-((2-((3aR,7aR)-2,2-dimethylhexahydrobenzo[d]oxazol-3(2H)-yl)benzo[d]thiazol-6-yl)methyl)-1H-benzo[d]imidazol-5-yl)oxy)ethanol (26 mg, 39%) as a light yellow solid. 1H NMR (300 MHz, CDCl3) δ 7.93 (s, 1H), 7.58 (d, J=8.1 Hz, 1H), 7.40 (s, 1H), 7.32 (s, 1H), 7.16-7.19 (m, 2H), 6.91 (m, 1H), 5.36 (s, 2H), 4.13 (t, J=9.0 Hz, 2H), 3.98 (t, J=9.0 Hz, 2H), 3.65 (m, 1H), 3.08 (m, 1H), 2.80 (m, 1H), 2.14 (m, 1H), 1.84-1.92 (m, 2H), 1.78 (s, 3H), 1.63 (s, 3H), 1.28-1.40 (m, 4H); LCMS (ESI) m/z 479 (M+H)+.

후처리

  1. washwashed with brine
  2. customThe organic layer was separated
  3. dry with materialdried over Na2SO4
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customThe residue was purified by preparative TLC

출처 및 근거

ORD 기록
ord-51faf09a644e41f383a3b0fd03cbbe59
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08952058B2

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