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Methanesulfonic Acid → (5S)-2-(5-{3-[(1S)-2-Methoxy-1-methylethoxy]-5-[4-(methylsulfonyl)phenoxy]phenyl}-1H-pyrrol-2-yl)-5-methyl-4,5-dihydro-1,3-oxazole

HRID 1964550
ノート
印刷プレビュー

反応式

HRID 1964550 の反応式
O[C@H:2]([CH3:35])[CH2:3][NH:4][C:5]([C:7]1[NH:8][C:9]([C:12]2[CH:17]=[C:16]([O:18][C:19]3[CH:24]=[CH:23][C:22]([S:25]([CH3:28])(=[O:27])=[O:26])=[CH:21][CH:20]=3)[CH:15]=[C:14]([O:29][C@@H:30]([CH3:34])[CH2:31][O:32][CH3:33])[CH:13]=2)=[CH:10][CH:11]=1)=[O:6].CS(O)(=O)=O.C(N(CC)CC)C.C(=O)([O-])O.[Na+]>O1CCCC1>[CH3:33][O:32][CH2:31][C@H:30]([CH3:34])[O:29][C:14]1[CH:13]=[C:12]([C:9]2[NH:8][C:7]([C:5]3[O:6][C@@H:2]([CH3:35])[CH2:3][N:4]=3)=[CH:11][CH:10]=2)[CH:17]=[C:16]([O:18][C:19]2[CH:24]=[CH:23][C:22]([S:25]([CH3:28])(=[O:26])=[O:27])=[CH:21][CH:20]=2)[CH:15]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 6395Methanesulfonic AcidHCID 8471TriethylamineHCID 516892Sodium BicarbonateHCID 66680968N-[(2R)-2-Hydroxypropyl]-5-{3-[(1S)-2-methoxy-1-methylethoxy]-5-[4-(methylsulfonyl)phenoxy]phenyl}-1H-pyrrole-2-carboxamide

生成物 1

HCID 58065517(5S)-2-(5-{3-[(1S)-2-Methoxy-1-methylethoxy]-5-[4-(methylsulfonyl)phenoxy]phenyl}-1H-pyrrol-2-yl)-5-methyl-4,5-dihydro-1,3-oxazole
収率 74%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

N-[(2R)-2-Hydroxypropyl]-5-{3-[(1S)-2-methoxy-1-methylethoxy]-5-[4-(methylsulfonyl)phenoxy]phenyl}-1H-pyrrole-2-carboxamide (191 mg, 0.380 mmol) synthesized in Example (31a) was dissolved in tetrahydrofuran (10 mL), and anhydrous methanesulfonic acid (100 mg, 0.574 mmol) and triethylamine (0.16 mL, 1.15 mmol) were added, followed by stirring at room temperature for 18 hours under nitrogen atmosphere. A saturated aqueous sodium hydrogencarbonate solution (10 mL) was added, and the solution was separated 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: ethyl acetate/hexane=30%-70%) to afford the desired product (136 mg, yield 74%) as a white solid.

後処理

  1. customthe solution was separated with ethyl acetate (20 mL)
  2. washThe organic layer was washed with saturated brine
  3. dry with materialsubsequently dried over anhydrous magnesium sulfate
  4. distillationThe solvent was distilled off under reduced pressure
  5. customthe resulting residue was purified
  6. washsilica gel column chromatography (elution solvent: ethyl acetate/hexane=30%-70%)

出典と根拠

ORDレコード
ord-a74b24d3157c4a01956d9d47b718810d
出典データセット
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08415359B2

反応ノート

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