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Hydrochloric Acid → 2-{4'-[5-Methyl-2-(4-trifluoromethyl-phenyl)-oxazol-4-yl]-biphenyl-4-ylmethyl}-[1,2,4]oxadiazolidine-3,5-dione

HRID 47661
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HRID 47661 반응식
[C:1](=[O:6])=[N:2][C:3](Cl)=[O:4].[CH3:7][C:8]1[O:12][C:11]([C:13]2[CH:18]=[CH:17][C:16]([C:19]([F:22])([F:21])[F:20])=[CH:15][CH:14]=2)=[N:10][C:9]=1[C:23]1[CH:28]=[CH:27][C:26]([C:29]2[CH:34]=[CH:33][C:32]([CH2:35][NH:36][OH:37])=[CH:31][CH:30]=2)=[CH:25][CH:24]=1.O1CCCC1.Cl>O>[CH3:7][C:8]1[O:12][C:11]([C:13]2[CH:18]=[CH:17][C:16]([C:19]([F:21])([F:20])[F:22])=[CH:15][CH:14]=2)=[N:10][C:9]=1[C:23]1[CH:28]=[CH:27][C:26]([C:29]2[CH:34]=[CH:33][C:32]([CH2:35][N:36]3[C:3](=[O:4])[NH:2][C:1](=[O:6])[O:37]3)=[CH:31][CH:30]=2)=[CH:25][CH:24]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 313Hydrochloric AcidHCID 8028TetrahydrofuranHCID 119708Isocyanatocarbonyl chlorideHCID 21880682N-{4'-[5-Methyl-2-(4-trifluoromethyl-phenyl)-oxazol-4-yl]-biphenyl-4-ylmethyl}-hydroxylamine

생성물 1

HCID 99354372-{4'-[5-Methyl-2-(4-trifluoromethyl-phenyl)-oxazol-4-yl]-biphenyl-4-ylmethyl}-[1,2,4]oxadiazolidine-3,5-dione수율 53%

시약·촉매·용매 1

HCID 962Water용매

실험 절차

N-(Chlorocarbonyl)isocyanate (0.2 mL, 2.6 mmol) was added dropwise into a cold (−5° C.) mixture of N-{4′-[5-methyl-2-(4-trifluoromethyl-phenyl)-oxazol-4-yl]-biphenyl-4-ylmethyl}-hydroxylamine (1.1, 2.6 mmol), and tetrahydrofuran (20.0 mL). The reaction mixture was stirred for 30 minutes, poured into water, acidified with HCl (2 N), and extracted with ethyl acetate. The organic extracts were dried over MgSO4. Evaporation and purification by flash chromatography on acidic silica gel (hexanes/EtOAc 2:1) gave a white solid (0.68 g, 53% yield): mp 196-198; MS m/e 493 (M+);

후처리

  1. extractionextracted with ethyl acetate
  2. dry with materialThe organic extracts were dried over MgSO4
  3. customEvaporation and purification by flash chromatography on acidic silica gel (hexanes/EtOAc 2:1)

출처 및 근거

ORD 기록
ord-d878f3b7c05848c1ac4f91c175786a2c
출처 데이터셋
uspto-grants-2004_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06699896B1

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