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Pyridine → 7-[2-(toluene-4-sulfonyloxy)ethyl]-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester

HRID 564050
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인쇄 미리보기

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HRID 564050 반응식
[C:1]([O:5][C:6]([N:8]1[CH2:17][CH2:16][C:15]2[C:10](=[CH:11][C:12]([CH2:18][CH2:19][OH:20])=[CH:13][CH:14]=2)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].N1C=CC=CC=1.[CH3:27][C:28]1[CH:33]=[CH:32][C:31]([S:34](Cl)(=[O:36])=[O:35])=[CH:30][CH:29]=1>C(Cl)Cl>[C:1]([O:5][C:6]([N:8]1[CH2:17][CH2:16][C:15]2[C:10](=[CH:11][C:12]([CH2:18][CH2:19][O:20][S:34]([C:31]3[CH:32]=[CH:33][C:28]([CH3:27])=[CH:29][CH:30]=3)(=[O:36])=[O:35])=[CH:13][CH:14]=2)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 1049Pyridine2회HCID 73974-Toluenesulfonyl chloride2회HCID 670071427-(2-Hydroxy-ethyl)-3,4-dihydro-1H-isoquinoline-2-carboxylic Acid Tert-Butyl Ester

생성물 1

HCID 580427197-[2-(toluene-4-sulfonyloxy)ethyl]-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester

시약·촉매·용매 1

HCID 6344Dichloromethane
용매
3회

실험 절차

To 800 mg (2.88 mmol) 7-(2-hydroxy-ethyl)-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester (preparation 7c) in 10 mL DCM is added at 0° C. subsequently 0.34 mL (4.33 mmol) pyridine and 605 mg (3.17 mmol) 4-methyl-benzenesulfonyl chloride in 5.0 mL DCM. The reaction mixture is warmed to RT and is stirred 5 h at RT. Additional 0.34 mL (4.33 mmol) pyridine and 605 mg (3.17 mmol) 4-methyl-benzenesulfonyl chloride in 5.0 mL DCM are added and the mixture is stirred over night. The reaction mixture is poured into ice-water and the organic phase is separated, washed with aqueous KHSO4-solution and aqueous NaHCO3-solution, dried over MgSO4. After evaporation of the solvent, the residue is purified via chromatography (silica gel; cyclohexane/EtOAc 8:2 to 1:1).

후처리

  1. stirringthe mixture is stirred over night
  2. customthe organic phase is separated
  3. washwashed with aqueous KHSO4-solution and aqueous NaHCO3-solution
  4. dry with materialdried over MgSO4
  5. customAfter evaporation of the solvent
  6. customthe residue is purified via chromatography (silica gel; cyclohexane/EtOAc 8:2 to 1:1)

출처 및 근거

ORD 기록
ord-57e8c3704e714b6baf219d6073e05066
출처 데이터셋
uspto-grants-2011_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08067590B2

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