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2-Aminothiazole → 3-((1S)-2-{[tert-Butyl(dimethyl)silyl]oxy}-1-methylethoxy)-5-[4-(methylsulfonyl)phenoxy]-N-1,3-thiazol-2-ylbenzamide

HRID 20487
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HRID 20487 반응식
CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[Si:25]([O:32][CH2:33][C@H:34]([CH3:56])[O:35][C:36]1[CH:37]=[C:38]([CH:42]=[C:43]([O:45][C:46]2[CH:51]=[CH:50][C:49]([S:52]([CH3:55])(=[O:54])=[O:53])=[CH:48][CH:47]=2)[CH:44]=1)[C:39](O)=[O:40])([C:28]([CH3:31])([CH3:30])[CH3:29])([CH3:27])[CH3:26].[NH2:57][C:58]1[S:59][CH:60]=[CH:61][N:62]=1>CN(C=O)C>[Si:25]([O:32][CH2:33][C@H:34]([CH3:56])[O:35][C:36]1[CH:37]=[C:38]([CH:42]=[C:43]([O:45][C:46]2[CH:47]=[CH:48][C:49]([S:52]([CH3:55])(=[O:53])=[O:54])=[CH:50][CH:51]=2)[CH:44]=1)[C:39]([NH:57][C:58]1[S:59][CH:60]=[CH:61][N:62]=1)=[O:40])([C:28]([CH3:31])([CH3:29])[CH3:30])([CH3:26])[CH3:27]
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참가 물질

5

반응물 3

HCID 21552-AminothiazoleHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 593469073-((1S)-2-{[tert-Butyl(dimethyl)silyl]oxy}-1-methylethoxy)-5-[4-(methylsulfonyl)phenoxy]benzoic acid

생성물 1

HCID 593468793-((1S)-2-{[tert-Butyl(dimethyl)silyl]oxy}-1-methylethoxy)-5-[4-(methylsulfonyl)phenoxy]-N-1,3-thiazol-2-ylbenzamide수율 70%

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

실험 절차

HATU (513 mg, 1.35 mmol) was added to 3-((1S)-2-{[tert-Butyl(dimethyl)silyl]oxy}-1-methylethoxy)-5-[4-(methylsulfonyl)phenoxy]benzoic acid (520 mg, 1.08 mmol) followed by addition of DMF (5 mL), disopropylethylamine (0.48 mL) and 2-aminothiazole (135 mg, 1.35 mmol) and the reaction was stirred under argon for 4 h. The solvent was evaporated and the residue was dissolved in saturated aqueous sodium hydrogencarbonate (30 mL) and ethyl acetate (50 mL). The organic layer was separated, washed with saturated aqueous ammonium chloride (30 mL) then dried (MgSO4), filtered and evaporated. Purification by column chromatography, eluting with 1:2 to 2:1 ethyl acetate:hexanes, afforded the title compound as a colourless oil (425 mg, 70%).

후처리

  1. customThe solvent was evaporated
  2. dissolutionthe residue was dissolved in saturated aqueous sodium hydrogencarbonate (30 mL)
  3. customThe organic layer was separated
  4. washwashed with saturated aqueous ammonium chloride (30 mL)
  5. dry with materialthen dried (MgSO4)
  6. filtrationfiltered
  7. customevaporated
  8. customPurification by column chromatography
  9. washeluting with 1:2 to 2:1 ethyl acetate

출처 및 근거

ORD 기록
ord-dd289d532c2d443f9197e77eb9b1b981
출처 데이터셋
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07745475B2

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