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Diphenylamine → HCID 57227171, 화합물

HRID 1078044
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HRID 1078044 반응식
C[Al](C)C.[C:5]1([NH:11][C:12]2[CH:17]=[CH:16][CH:15]=[CH:14][CH:13]=2)[CH:10]=[CH:9][CH:8]=[CH:7][CH:6]=1.[Si:18]([O:25][CH2:26][C:27]#[C:28][C:29](OCC)=[O:30])([C:21]([CH3:24])([CH3:23])[CH3:22])([CH3:20])[CH3:19]>C(Cl)Cl>[C:12]1([N:11]([C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][CH:10]=2)[C:29](=[O:30])[C:28]#[C:27][CH2:26][O:25][Si:18]([C:21]([CH3:23])([CH3:22])[CH3:24])([CH3:20])[CH3:19])[CH:13]=[CH:14][CH:15]=[CH:16][CH:17]=1
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반응물 3

HCID 11487DiphenylamineHCID 114478792-Butynoic acid, 4-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-, ethyl esterHCID 16682925Trimethylaluminum

생성물 1

HCID 57227171HCID 57227171, 화합물수율 58.7%

시약·촉매·용매 1

HCID 6344Dichloromethane용매2회

실험 절차

To a solution of 1.4 mL Me3Al (2.0M in hexanes) in 3.6 mL anhydrous CH2Cl2 under N2 was added 0.49 g of diphenylamine in one portion. After stirring 30 min, 0.35 g ethyl 4-(t-butyldimethylsilyloxy)-2-butynoate in 0.4 mL CH2Cl2 was added dropwise. The reaction was stirred overnight at room temperature, then heated in an oil bath at 35° overnight. The reaction was quenched by the addition of a few drops of 1N HCl, diluted with H2O, and extracted with CH2Cl2. The combined organics were with H2O and brine and dried over Na2SO4. Filtration, evaporation, and flash chromatography with a 10-15% Et2O/hexanes gradient provided 0.31 g of product.

후처리

  1. stirringThe reaction was stirred overnight at room temperature
  2. temperatureheated in an oil bath at 35° overnight
  3. customThe reaction was quenched by the addition of a few drops of 1N HCl
  4. additiondiluted with H2O
  5. extractionextracted with CH2Cl2
  6. dry with materialdried over Na2SO4
  7. filtrationFiltration, evaporation, and flash chromatography with a 10-15% Et2O/hexanes gradient

출처 및 근거

ORD 기록
ord-1031f39adb2140d382a29067fc1313f1
출처 데이터셋
uspto-grants-1996_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05545651

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