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Trifluoroacetic acid → 9-Hydroxy-5-methoxy-7-(4-trifluoromethyl-benzyl)-6,7-dihydro-pyrrolo[3,4-g]quinolin-8-one

HRID 853703
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HRID 853703 반응식
[CH3:1][O:2][C:3]1[C:12]2[CH2:13][N:14]([CH2:17][C:18]3[CH:23]=[CH:22][C:21]([C:24]([F:27])([F:26])[F:25])=[CH:20][CH:19]=3)[C:15](=[O:16])[C:11]=2[C:10]([O:28]CC2C=CC(OC)=CC=2)=[C:9]2[C:4]=1[CH:5]=[CH:6][CH:7]=[N:8]2.C([SiH](CC)CC)C.FC(F)(F)C(O)=O>ClCCl>[OH:28][C:10]1[C:11]2[C:15](=[O:16])[N:14]([CH2:17][C:18]3[CH:23]=[CH:22][C:21]([C:24]([F:27])([F:26])[F:25])=[CH:20][CH:19]=3)[CH2:13][C:12]=2[C:3]([O:2][CH3:1])=[C:4]2[C:9]=1[N:8]=[CH:7][CH:6]=[CH:5]2
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 6422Trifluoroacetic acidHCID 12052TriethylsilaneHCID 589289465-Methoxy-9-(4-methoxy-benzyloxy)-7-(4-trifluoromethyl-benzyl)-6,7-dihydro-pyrrolo[3,4-g]quinolin-8-one

생성물 1

HCID 104079419-Hydroxy-5-methoxy-7-(4-trifluoromethyl-benzyl)-6,7-dihydro-pyrrolo[3,4-g]quinolin-8-one수율 54%

시약·촉매·용매 1

HCID 6344
Dichloromethane
용매

실험 절차

To 5-methoxy-9-(4-methoxy-benzyloxy)-7-(4-trifluoromethyl-benzyl)-6,7-dihydro-pyrrolo[3,4-g]quinolin-8-one 305 (13 mg, 0.026 mmol) dissolved in dichloromethane (0.200 ml) was added triethylsilane (TES, 0.05 ml) and trifluoroacetic acid (TFA, 0.100 ml). After stirring at room temperature for 15 minutes, the reaction mixture was concentrated in vacuo and azeotroped three times with a (1:1) tetrahydrofuran to toluene mixture. The resulting residue was then triturated three times with a (3:1) hexane to ether mixture to afford 9-hydroxy-5-methoxy-7-(4-trifluoromethyl-benzyl)-6,7-dihydro-pyrrolo[3,4-g]quinolin-8-one 306 (7 mg, 0.014 mmol, 54%). 1H NMR (CD3OD) δ 9.0 (dd, 1H), 8.58 (dd, 1H), 7.60 (d, 2H), 7.40 (d, 2H), 4.80 (s, 2H), 4.50 (s, 2H), 3.95 (s, 3H). 19F NMR δ −63, −76.2. MS: 389.1 (M+1).

후처리

  1. concentrationthe reaction mixture was concentrated in vacuo
  2. customazeotroped three times with a (1:1) tetrahydrofuran to toluene mixture
  3. customThe resulting residue was then triturated three times with a (3:1) hexane to ether mixture

출처 및 근거

ORD 기록
ord-0c2b3997264342f286b1e0b1db55b6f6
출처 데이터셋
uspto-grants-2007_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07253180B2

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