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Ethanol → 3-[3-[1-(2-Thenoylmethyl)-2-oxo-5-pivaloyl-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]ureido]benzoic acid

HRID 1979351
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HRID 1979351 반응식
[C:1]1([C:6]([CH2:8][N:9]2[C:15]3[CH:16]=[C:17]([CH3:20])[CH:18]=[CH:19][C:14]=3[N:13]([C:21](=[O:26])[C:22]([CH3:25])([CH3:24])[CH3:23])[CH2:12][CH:11]([NH:27][C:28]([NH:30][C:31]3[CH:36]=[CH:35][CH:34]=[C:33]([C:37]([O:39]CC)=[O:38])[CH:32]=3)=[O:29])[C:10]2=[O:42])=[O:7])[S:5][CH:4]=[CH:3][CH:2]=1.C(O)C.O.[OH-].[Li+]>O1CCCC1>[C:1]1([C:6]([CH2:8][N:9]2[C:15]3[CH:16]=[C:17]([CH3:20])[CH:18]=[CH:19][C:14]=3[N:13]([C:21](=[O:26])[C:22]([CH3:24])([CH3:25])[CH3:23])[CH2:12][CH:11]([NH:27][C:28](=[O:29])[NH:30][C:31]3[CH:32]=[C:33]([CH:34]=[CH:35][CH:36]=3)[C:37]([OH:39])=[O:38])[C:10]2=[O:42])=[O:7])[S:5][CH:4]=[CH:3][CH:2]=1
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참가 물질

5

반응물 3

HCID 702EthanolHCID 168937Lithium hydroxide, monohydrateHCID 212015731-[1-(2-thenoylmethyl)-2-oxo-5-pivaloyl-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]-3-(3-ethoxycarbonylphenyl)urea

생성물 1

HCID 212019083-[3-[1-(2-Thenoylmethyl)-2-oxo-5-pivaloyl-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]ureido]benzoic acid수율 78%

시약·촉매·용매 1

HCID 8028
Tetrahydrofuran
용매

실험 절차

1-[1-(2-Thenoylmethyl)-2-oxo-5-pivaloyl-8-methyl-1,3,4,5-tetrahydro-2H-1,5-benzodiazepin-3-yl]-3-(3-ethoxycarbonylphenyl)urea (0.67 g) was suspended in a mixed solvent of ethanol (10 ml) and tetrahydrofuran (10 ml), aqueous lithiumhydroxide monohydrate (0.24 g) solution (10 ml) was added, and the mixture was stirred for 3 hours at room temperature. The reaction mixture was concentrated under reduced pressure, weakly acidified with 1N hydrochloric acid, extracted with methylene chloride. The organic layer was successively washed with water and saturated brine, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure, the residue was suspended in a mixed solvent of methanol and ethyl acetate, crystals so precipitated were collected by filtration, to thereby obtain 0.48 g of the titled compound as white crystals (Yield: 78%).

후처리

  1. additionwas added
  2. concentrationThe reaction mixture was concentrated under reduced pressure
  3. extractionextracted with methylene chloride
  4. washThe organic layer was successively washed with water and saturated brine
  5. dry with materialdried over anhydrous magnesium sulfate
  6. customThe solvent was evaporated under reduced pressure
  7. customso precipitated
  8. filtrationwere collected by filtration

출처 및 근거

ORD 기록
ord-120c8696d94c41fabf58bfe958af4b6f
출처 데이터셋
uspto-grants-2001_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06239131B1

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