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Lawesson's reagent → (S)-t-Butyl 2-(5-((3,4-dimethoxyphenoxy)methyl)-1,3,4-thiadiazol-2-yl)pyrrolidine-1-carboxylate

HRID 710058
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HRID 710058 반응식
[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:26]=[CH:27][C:28]=1[O:29][CH3:30])[O:6][CH2:7][C:8]([NH:10][NH:11][C:12]([C@@H:14]1[CH2:18][CH2:17][CH2:16][N:15]1[C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])=O)=O.COC1C=CC(P2(SP(C3C=CC(OC)=CC=3)(=S)S2)=[S:40])=CC=1>C1(C)C=CC=CC=1>[CH3:1][O:2][C:3]1[CH:4]=[C:5]([CH:26]=[CH:27][C:28]=1[O:29][CH3:30])[O:6][CH2:7][C:8]1[S:40][C:12]([C@@H:14]2[CH2:18][CH2:17][CH2:16][N:15]2[C:19]([O:21][C:22]([CH3:25])([CH3:24])[CH3:23])=[O:20])=[N:11][N:10]=1
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참가 물질

4

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HCID 87949Lawesson's reagentHCID 86706750(S)-t-Butyl 2-(2-(2-(3,4-dimethoxyphenoxy)acetyl)hydrazinecarbonyl)pyrrolidine-1-carboxylate

생성물 1

HCID 86706771(S)-t-Butyl 2-(5-((3,4-dimethoxyphenoxy)methyl)-1,3,4-thiadiazol-2-yl)pyrrolidine-1-carboxylate수율 54.1%

시약·촉매·용매 1

HCID 1140Toluene용매

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온도
90 °C

실험 절차

To a toluene (30 ml) solution of the compound (540 mg) obtained in Example 8-(1), Lawesson's reagent (750 mg) was added and the mixture was stirred at 90° C. for 6 hours. After adding water, extraction was conducted with AcOEt. The solvent was distilled off under reduced pressure and the residue was purified by silica gel chromatography (AcOEt/hexane) to give the titled compound (291 mg).

후처리

  1. additionAfter adding
  2. extractionwater, extraction
  3. distillationThe solvent was distilled off under reduced pressure
  4. customthe residue was purified by silica gel chromatography (AcOEt/hexane)

출처 및 근거

ORD 기록
ord-d87a05b49c254b14b001469273645b3a
출처 데이터셋
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09181229B2

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