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Benzyl 1-(benzoylcarbamothioyl)-6a-(5-bromo-2-fluoro-phenyl)-3,3a,4,6-tetrahydropyrrolo[3,4-c]isoxazole-5-carboxylate → Benzyl 3-(benzoylcarbamothioylamino)-3-(5-bromo-2-fluoro-phenyl)-4-(hydroxymethyl)pyrrolidine-1-carboxylate

HRID 77573
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인쇄 미리보기

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HRID 77573 반응식
[C:1]([NH:9][C:10]([N:12]1[C:16]2([C:30]3[CH:35]=[C:34]([Br:36])[CH:33]=[CH:32][C:31]=3[F:37])[CH2:17][N:18]([C:20]([O:22][CH2:23][C:24]3[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=3)=[O:21])[CH2:19][CH:15]2[CH2:14][O:13]1)=[S:11])(=[O:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1>C(O)(=O)C.C(OCC)(=O)C.[Zn]>[C:1]([NH:9][C:10]([NH:12][C:16]1([C:30]2[CH:35]=[C:34]([Br:36])[CH:33]=[CH:32][C:31]=2[F:37])[CH:15]([CH2:14][OH:13])[CH2:19][N:18]([C:20]([O:22][CH2:23][C:24]2[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=2)=[O:21])[CH2:17]1)=[S:11])(=[O:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 1

HCID 86762753Benzyl 1-(benzoylcarbamothioyl)-6a-(5-bromo-2-fluoro-phenyl)-3,3a,4,6-tetrahydropyrrolo[3,4-c]isoxazole-5-carboxylate

생성물 1

HCID 86762756Benzyl 3-(benzoylcarbamothioylamino)-3-(5-bromo-2-fluoro-phenyl)-4-(hydroxymethyl)pyrrolidine-1-carboxylate수율 86%

시약·촉매·용매 3

HCID 23994Zinc촉매HCID 176Acetic Acid용매
HCID 8857
Ethyl Acetate
용매

실험 절차

A mixture of benzyl 1-(benzoylcarbamothioyl)-6a-(5-bromo-2-fluoro-phenyl)-3,3a,4,6-tetrahydropyrrolo[3,4-c]isoxazole-5-carboxylate (6.05 g 10.4 mmol) and zinc (dust, <10 micron) (6.77 g, 103.5 mmol) is stirred in acetic acid (52 mL) at room temperature overnight under nitrogen. The reaction is diluted with ethyl acetate and filtered through diatomaceous earth. The solvent is removed in vacuo and the residue is diluted with ethyl acetate, water and saturated aqueous sodium bicarbonate. The mixture is extracted with ethyl acetate (3×), the combined organic layers are combined and dried over sodium sulfate, filtered and the solvent removed in vacuo. The crude product is purified over silica gel with a 30 minute 5% to 100% EtOAc in hexanes gradient to give the title compound (5.222 g, 86%). ES/MS (m/e): (79Br/81Br) 586/588 (M+H).

후처리

  1. filtrationfiltered through diatomaceous earth
  2. customThe solvent is removed in vacuo
  3. additionthe residue is diluted with ethyl acetate, water and saturated aqueous sodium bicarbonate
  4. extractionThe mixture is extracted with ethyl acetate (3×)
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. customthe solvent removed in vacuo
  8. customThe crude product is purified over silica gel with a 30 minute 5% to 100% EtOAc in hexanes gradient

출처 및 근거

ORD 기록
ord-4f4da25953a04484b00b4d56903b7f91
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08841293B1

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