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Trifluoromethanesulfonic acid → N-[2-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)-1-oxo-3-phenylpropyl]-O-2-propenyl-L-serine, methyl ester

HRID 21688
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인쇄 미리보기

반응식

HRID 21688 반응식
[O:1]=[C:2]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[C:4](=[O:11])[N:3]1[CH:12]([CH2:23][C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][CH:25]=1)[C:13]([NH:15][C@H:16]([C:19]([O:21][CH3:22])=[O:20])[CH2:17][OH:18])=[O:14].ClC(Cl)(Cl)C(=N)O[CH2:34][CH:35]=[CH2:36].FC(F)(F)S(O)(=O)=O>C(Cl)Cl.C1CCCCC1.C(Cl)Cl>[O:1]=[C:2]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[C:4](=[O:11])[N:3]1[CH:12]([CH2:23][C:24]1[CH:25]=[CH:26][CH:27]=[CH:28][CH:29]=1)[C:13]([NH:15][C@H:16]([C:19]([O:21][CH3:22])=[O:20])[CH2:17][O:18][CH2:36][CH:35]=[CH2:34])=[O:14]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

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반응물 3

HCID 62406Trifluoromethanesulfonic acidHCID 316905Allyl 2,2,2-TrichloroacetimidateHCID 67799768N-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-1-oxo-3-phenylpropyl]-L-serine, methyl ester

생성물 1

HCID 70044917N-[2-(1,3-Dihydro-1,3-dioxo-2H-isoindol-2-yl)-1-oxo-3-phenylpropyl]-O-2-propenyl-L-serine, methyl ester

시약·촉매·용매 2

HCID 6344
Dichloromethane
용매
HCID 21916607Dichloromethane cyclohexane용매

실험 절차

Dissolve N-[2-(1,3-dihydro-1,3-dioxo-2H-isoindol-2-yl)-1-oxo-3-phenylpropyl]-L-serine, methyl ester (25 g, 63 mmol) in methylene chloride/cyclohexane (1:1, 600 mL). Add allyl trichloroacetimidate (26 g, 128 mmol) and trifluoromethanesulfonic acid (5 mL), 56.6 mmol). Stir at room temperature under a nitrogen atmosphere for 5 hours and dilute with methylene chloride. Wash with saturated aqueous sodium hydrogen carbonate, water, dry (MgSO4) and evaporate the solvent in vacuo. Purify by silica gel chromatography (gradient 20% ethyl acetate/hexane to 35% ethyl acetate/hexane) to give the title compound; mp 95°-97° C.

후처리

  1. washWash with saturated aqueous sodium hydrogen carbonate, water
  2. dry with materialdry (MgSO4)
  3. customevaporate the solvent in vacuo
  4. customPurify by silica gel chromatography (gradient 20% ethyl acetate/hexane to 35% ethyl acetate/hexane)

출처 및 근거

ORD 기록
ord-4549dc5039794ba08117591520a0ff58
출처 데이터셋
uspto-grants-1995_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05424425

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