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(2S,3R)-2-Amino-1,3-butanediol → N-[(2S,3R)-1,3-Dihydroxybutan-2-yl]-5-(3-{[(2S)-1-methoxypropan-2-yl]oxy}-5-[(tripropan-2-ylsilyl)oxy]phenyl)-1H-pyrrole-2-carboxamide

HRID 909638
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HRID 909638 반응식
[CH3:1][O:2][CH2:3][C@H:4]([CH3:31])[O:5][C:6]1[CH:7]=[C:8]([C:23]2[NH:27][C:26]([C:28](O)=[O:29])=[CH:25][CH:24]=2)[CH:9]=[C:10]([O:12][Si:13]([CH:20]([CH3:22])[CH3:21])([CH:17]([CH3:19])[CH3:18])[CH:14]([CH3:16])[CH3:15])[CH:11]=1.[NH2:32][C@@H:33]([CH2:37][OH:38])[C@@H:34]([CH3:36])[OH:35].[Cl-].COC1N=C(OC)N=C([N+]2(C)CCOCC2)N=1>CO>[OH:38][CH2:37][C@H:33]([NH:32][C:28]([C:26]1[NH:27][C:23]([C:8]2[CH:9]=[C:10]([O:12][Si:13]([CH:14]([CH3:15])[CH3:16])([CH:20]([CH3:22])[CH3:21])[CH:17]([CH3:18])[CH3:19])[CH:11]=[C:6]([O:5][C@@H:4]([CH3:31])[CH2:3][O:2][CH3:1])[CH:7]=2)=[CH:24][CH:25]=1)=[O:29])[C@H:34]([OH:35])[CH3:36]
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참가 물질

5

반응물 3

HCID 1868194(2S,3R)-2-Amino-1,3-butanediolHCID 27340594-(4,6-Dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chlorideHCID 666835375-{3-[(1S)-2-Methoxy-1-methylethoxy]-5-[(triisopropylsilyl)oxy]phenyl}-1H-pyrrole-2-carboxylic acid

생성물 1

HCID 66681611N-[(2S,3R)-1,3-Dihydroxybutan-2-yl]-5-(3-{[(2S)-1-methoxypropan-2-yl]oxy}-5-[(tripropan-2-ylsilyl)oxy]phenyl)-1H-pyrrole-2-carboxamide수율 87.3%

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

5-{3-[(1S)-2-Methoxy-1-methylethoxy]-5-[(triisopropylsilyl)oxy]phenyl}-1H-pyrrole-2-carboxylic acid (1.63 g, 3.64 mmol) synthesized in Example (106c) was dissolved in methanol (20 mL), and D-allo-threoninol (1.05 g, 9.99 mmol) and 4-(4,6-dimethoxy-1,3,5-triazin-2-yl)-4-methylmorpholinium chloride n hydrate (2.00 g, 7.23 mmol) were added, followed by stirring at room temperature for 1 day under nitrogen atmosphere. After the solvent was distilled off under reduced pressure, a saturated aqueous ammonium chloride solution (50 mL) was added, and extraction was carried out with methylene chloride (80 mL). The organic layer was washed with saturated brine, and subsequently dried over anhydrous magnesium sulfate. The resulting residue was purified using silica gel column chromatography (elution solvent: methanol/methylene chloride=3%-7%) to afford the desired compound (1.70 g, yield 87%) as a white foam.

후처리

  1. distillationAfter the solvent was distilled off under reduced pressure
  2. additiona saturated aqueous ammonium chloride solution (50 mL) was added
  3. extractionextraction
  4. washThe organic layer was washed with saturated brine
  5. dry with materialsubsequently dried over anhydrous magnesium sulfate
  6. customThe resulting residue was purified
  7. washsilica gel column chromatography (elution solvent: methanol/methylene chloride=3%-7%)

출처 및 근거

ORD 기록
ord-3b3aaaafb4ef49c19e9b8dc1f4791465
출처 데이터셋
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08017610B2

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