Chloroform → HCID 178454302, 화합물

HRID 1247790노트

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HRID 1247790 반응식
[C:1]([O:5][C:6]([N:8]=[C:9]([NH:19][C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[NH:10][C:11]1[CH:15]=[N:14][N:13]2[CH2:16][CH2:17][NH:18][C:12]=12)=[O:7])([CH3:4])([CH3:3])[CH3:2].[C:27]1([C:33](Cl)([C:40]2[CH:45]=[CH:44][CH:43]=[CH:42][CH:41]=2)[C:34]2[CH:39]=[CH:38][CH:37]=[CH:36][CH:35]=2)[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=1.C(Cl)(Cl)Cl>N1C=CC=CC=1>[C:1]([O:5][C:6]([N:8]=[C:9]([NH:19][C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[NH:10][C:11]1[CH:15]=[N:14][N:13]2[CH2:16][CH2:17][N:18]([C:33]([C:27]3[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=3)([C:40]3[CH:41]=[CH:42][CH:43]=[CH:44][CH:45]=3)[C:34]3[CH:35]=[CH:36][CH:37]=[CH:38][CH:39]=3)[C:12]=12)=[O:7])([CH3:4])([CH3:3])[CH3:2]

참가 물질

5

반응물 3

HCID 6212ChloroformHCID 6456Trityl chlorideHCID 1784543037-[2,3-bis(tert-butoxycarbonyl)guanidino]-2,3-dihydro-1H-imidazo[1,2-b]pyrazole

생성물 1

HCID 178454302HCID 178454302, 화합물수율 51.6%

시약·촉매·용매 1

HCID 1049Pyridine용매

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온도
50 °C

실험 절차

To a solution of 7-[2,3-bis(tert-butoxycarbonyl)guanidino]-2,3-dihydro-1H-imidazo[1,2-b]pyrazole (1.83 g) in pyridine (10 ml) was added triphenylmethyl chloride (1.67 g). The mixture was stirred at 50° C. for 5 hours. After cooling, chloroform (50 ml) was added to the reaction mixture, and the mixture was washed successively with 10% aqueous citric acid solution, brine and saturated aqueous sodium hydrogen carbonate solution. The organic layer was dried over anhydrous magnesium sulfate, filtered and concentrated in vacuo. The residue was purified by column chromatography on silica gel eluting with 2% methanol/chloroform to give 7-[-2,3-bis(tert-butoxycarbonyl)guanidino]-1-triphenylmethyl-2,3-dihydro-1H-imidazo[1,2-b]pyrazole (1.57 g) as a solid.

후처리

  1. temperatureAfter cooling
  2. washthe mixture was washed successively with 10% aqueous citric acid solution, brine and saturated aqueous sodium hydrogen carbonate solution
  3. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified by column chromatography on silica gel eluting with 2% methanol/chloroform

출처 및 근거

ORD 기록
ord-57eecb8ac85445bb9be2584f96bb2d08
출처 데이터셋
uspto-grants-2006_10
특허 번호
US07129232B2

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