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Water → 5-(3-{5-[(5R)-5-(Hydroxymethyl)-4,5-dihydro-1,3-oxazol-2-yl]-1H-pyrrol-2-yl}-5-[(1S)-2-methoxy-1-methylethoxy]phenoxy)-N-methylpyrazine-2-sulfonamide

HRID 909676
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HRID 909676 반응식
Br[C:2]1[N:3]=[CH:4][C:5]([S:8]([NH:11][CH3:12])(=[O:10])=[O:9])=[N:6][CH:7]=1.[OH:13][CH2:14][C@@H:15]1[O:19][C:18]([C:20]2[NH:24][C:23]([C:25]3[CH:26]=[C:27]([OH:37])[CH:28]=[C:29]([O:31][C@@H:32]([CH3:36])[CH2:33][O:34][CH3:35])[CH:30]=3)=[CH:22][CH:21]=2)=[N:17][CH2:16]1.C(=O)([O-])[O-].[K+].[K+].O>C(#N)C.C(OCC)(=O)C>[OH:13][CH2:14][C@@H:15]1[O:19][C:18]([C:20]2[NH:24][C:23]([C:25]3[CH:26]=[C:27]([CH:28]=[C:29]([O:31][C@@H:32]([CH3:36])[CH2:33][O:34][CH3:35])[CH:30]=3)[O:37][C:2]3[N:3]=[CH:4][C:5]([S:8]([NH:11][CH3:12])(=[O:10])=[O:9])=[N:6][CH:7]=3)=[CH:22][CH:21]=2)=[N:17][CH2:16]1
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참가 물질

7

반응물 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 666814253-{5-[(5R)-5-(Hydroxylmethyl)-4,5-dihydro-1,3-oxazol-2-yl]-1H-pyrrol-2-yl}-5-[(1S)-2-methoxy-1-methylethoxy]phenolHCID 866495755-Bromo-N-methylpyrazine-2-sulfonamide

생성물 1

HCID 666813115-(3-{5-[(5R)-5-(Hydroxymethyl)-4,5-dihydro-1,3-oxazol-2-yl]-1H-pyrrol-2-yl}-5-[(1S)-2-methoxy-1-methylethoxy]phenoxy)-N-methylpyrazine-2-sulfonamide
수율 54%

시약·촉매·용매 2

HCID 6342Acetonitrile용매HCID 8857Ethyl Acetate용매

실험 절차

5-Bromo-N-methylpyrazine-2-sulfonamide (147 mg, 0.58 mmol) synthesized in Example (128b) and 3-{5-[(5R)-5-(Hydroxylmethyl)-4,5-dihydro-1,3-oxazol-2-yl]-1H-pyrrol-2-yl}-5-[(1S)-2-methoxy-1-methylethoxy]phenol (262 mg, 0.76 mmol) synthesized in Example (125g) were dissolved in acetonitrile (6 mL), and potassium carbonate (161 mg, 1.17 mmol) was added, followed by stirring for 4 hours under nitrogen atmosphere. Water (20 mL) was added to the reaction solution, and extraction was carried out twice with ethyl acetate (20 mL). The organic layer was washed with saturated brine, and subsequently dried over anhydrous magnesium sulfate. The solvent was distilled off under reduced pressure, and the resulting residue was purified using silica gel column chromatography (elution solvent: methanol/methylene chloride=0%-3.5%) to afford the desired compound (161 mg, yield 54%) as a white solid.

후처리

  1. washThe organic layer was washed with saturated brine
  2. dry with materialsubsequently dried over anhydrous magnesium sulfate
  3. distillationThe solvent was distilled off under reduced pressure
  4. customthe resulting residue was purified
  5. washsilica gel column chromatography (elution solvent: methanol/methylene chloride=0%-3.5%)

출처 및 근거

ORD 기록
ord-f448321d9d4940d899c102d2f7d94326
출처 데이터셋
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08017610B2

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