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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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Trifluoroacetic acid → 2-(4-Bromo-2-fluorobenzyl)-4-(-)-menthyloxycarbonyl-1,3-dioxo-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine-4-acetic acid

HRID 256594
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인쇄 미리보기

반응식

HRID 256594 반응식
C([O:5][C:6](=[O:41])[CH2:7][C:8]1([C:28]([O:30][CH:31]2[CH:36]([CH:37]([CH3:39])[CH3:38])[CH2:35][CH2:34][CH:33]([CH3:40])[CH2:32]2)=[O:29])[N:13]2[CH:14]=[CH:15][CH:16]=[C:12]2[C:11](=[O:17])[N:10]([CH2:18][C:19]2[CH:24]=[CH:23][C:22]([Br:25])=[CH:21][C:20]=2[F:26])[C:9]1=[O:27])(C)(C)C.FC(F)(F)C(O)=O>ClCCl>[Br:25][C:22]1[CH:23]=[CH:24][C:19]([CH2:18][N:10]2[C:9](=[O:27])[C:8]([C:28]([O:30][CH:31]3[CH:36]([CH:37]([CH3:39])[CH3:38])[CH2:35][CH2:34][CH:33]([CH3:40])[CH2:32]3)=[O:29])([CH2:7][C:6]([OH:41])=[O:5])[N:13]3[CH:14]=[CH:15][CH:16]=[C:12]3[C:11]2=[O:17])=[C:20]([F:26])[CH:21]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 2

HCID 6422Trifluoroacetic acidHCID 677225582-(4-Bromo-2-fluorobenzyl)-4-(-)-menthyloxycarbonyl-1,3-dioxo-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine-4-acetic acid tert-butyl ester

생성물 1

HCID 197854242-(4-Bromo-2-fluorobenzyl)-4-(-)-menthyloxycarbonyl-1,3-dioxo-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine-4-acetic acid

시약·촉매·용매 1

HCID 6344Dichloromethane용매

실험 절차

A mixture of 2-(4-bromo-2-fluorobenzyl)-4-(-)-menthyloxycarbonyl-1,3-dioxo-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazine-4-acetic acid tert-butyl ester (Diastereomer A) (30.0 g) and trifluoroacetic acid (112.5 g, 76.0 ml) in anhydrous dichloromethane (120 ml) was refluxed for 1.5 hours and concentrated under reduced pressure. The residue was dissolved in a mixture of acetonitrile and toluene. The resulting solution was evaporated under reduced pressure to give the title compound (Diastereomer A) (27.3 g, quantitative) as a brown oil.

후처리

  1. temperaturewas refluxed for 1.5 hours
  2. concentrationconcentrated under reduced pressure
  3. dissolutionThe residue was dissolved in a mixture of acetonitrile and toluene
  4. customThe resulting solution was evaporated under reduced pressure

출처 및 근거

ORD 기록
ord-ce6a51d9e8f94ffe82e544306b63d654
출처 데이터셋
uspto-grants-1993_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05258382

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