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

HRID 909464
ノート
印刷プレビュー

反応式

HRID 909464 の反応式
[C:1]([NH:4][NH:5][C:6]([C:8]1[NH:9][C:10]([C:13]2[CH:18]=[C:17]([O:19][C:20]3[CH:25]=[CH:24][C:23]([S:26]([CH3:29])(=[O:28])=[O:27])=[CH:22][CH:21]=3)[CH:16]=[C:15]([O:30][C@@H:31]([CH3:35])[CH2:32][O:33][CH3:34])[CH:14]=2)=[CH:11][CH:12]=1)=O)(=[O:3])[CH3:2].C(N(CC)CC)C.O.C(OCC)(=O)C>C(#N)C>[CH3:34][O:33][CH2:32][C@H:31]([CH3:35])[O:30][C:15]1[CH:14]=[C:13]([C:10]2[NH:9][C:8]([C:6]3[O:3][C:1]([CH3:2])=[N:4][N:5]=3)=[CH:12][CH:11]=2)[CH:18]=[C:17]([O:19][C:20]2[CH:21]=[CH:22][C:23]([S:26]([CH3:29])(=[O:28])=[O:27])=[CH:24][CH:25]=2)[CH:16]=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 962WaterHCID 8471TriethylamineHCID 8857Ethyl AcetateHCID 66682299N'-Acetyl-5-{3-[(1S)-2-methoxy-1-methylethoxy]-5-[4-(methylsulfonyl)phenoxy]phenyl}-1H-pyrrole-2-carbohydrazide

生成物 1

HCID 1359774412-(5-{3-[(1S)-2-Methoxy-1-methylethoxy]-5-[4-(methylsulfonyl)phenoxy]phenyl}-1H-pyrrol-2-yl)-5-methyl-1,3,4-oxadiazole収率 59%

試薬・触媒・溶媒 1

HCID 6342Acetonitrile溶媒

実験手順

N′-Acetyl-5-{3-[(1S)-2-methoxy-1-methylethoxy]-5-[4-(methylsulfonyl)phenoxy]phenyl}-1H-pyrrole-2-carbohydrazide (86.5 mg, 0.172 mmol) synthesized in Example (22a) was dissolved in acetonitrile (5 mL), (methoxycarbonysulfamoyl)triethylammonium hydroxide (60.7 mg, 0.258 mmol) and triethylamine (36 μL, 0.26 mmol) were added, and stirring was carried out at 80° C. for 3 hours under nitrogen atmosphere. The reaction solution was cooled to room temperature, water (20 mL) was added to the reaction solution, and extraction was carried out with ethyl acetate (30 mL). The organic layer was washed with saturated brine, and subsequently dried over sodium 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=50%-75%) to afford the desired compound (49.1 mg, yield 59%) as a white solid.

後処理

  1. washThe organic layer was washed with saturated brine
  2. dry with materialsubsequently dried over sodium sulfate
  3. distillationThe solvent was distilled off under reduced pressure
  4. customthe resulting residue was purified
  5. washsilica gel column chromatography (elution solvent: ethyl acetate/hexane=50%-75%)

出典と根拠

ORDレコード
ord-2a6240cb090c4fc19784cc698d851c02
出典データセット
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08017610B2

反応ノート

読み込み中…

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