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1,2,3,4-Tetrahydroisoquinoline → [4-(3,4-Dihydro-1H-isoquinoline-2-carbonyl)-6,8-dimethoxy-isoquinolin-1-ylmethyl]-carbamic acid tert-butyl ester

HRID 14629
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HRID 14629 반응식
[C:1]([O:5][C:6]([NH:8][CH2:9][C:10]1[C:19]2[C:14](=[CH:15][C:16]([O:22][CH3:23])=[CH:17][C:18]=2[O:20][CH3:21])[C:13]([C:24](O)=[O:25])=[CH:12][N:11]=1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH2:27]1[C:36]2[C:31](=[CH:32][CH:33]=[CH:34][CH:35]=2)[CH2:30][CH2:29][NH:28]1.C(P(=O)(OCC)OCC)#N.C(N(CC)CC)C>C1COCC1.CCOC(C)=O>[C:1]([O:5][C:6](=[O:7])[NH:8][CH2:9][C:10]1[C:15]2[C:14](=[CH:19][C:18]([O:20][CH3:21])=[CH:17][C:16]=2[O:22][CH3:23])[C:13]([C:24]([N:28]2[CH2:29][CH2:30][C:31]3[C:36](=[CH:35][CH:34]=[CH:33][CH:32]=3)[CH2:27]2)=[O:25])=[CH:12][N:11]=1)([CH3:4])([CH3:2])[CH3:3]
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참가 물질

7

반응물 4

HCID 70461,2,3,4-TetrahydroisoquinolineHCID 8471TriethylamineHCID 76257Diethyl cyanophosphonateHCID 593410981-(Tert-butoxycarbonylamino-methyl)-6,8-dimethoxy-isoquinoline-4-carboxylic acid

생성물 1

HCID 59341075[4-(3,4-Dihydro-1H-isoquinoline-2-carbonyl)-6,8-dimethoxy-isoquinolin-1-ylmethyl]-carbamic acid tert-butyl ester수율 66%

시약·촉매·용매 2

HCID 8028Tetrahydrofuran용매2회HCID 8857Ethyl Acetate용매

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온도
0 °C

실험 절차

According to the procedure of Yamada et al. (Note 2), a solution of 1-(tert-butoxycarbonylamino-methyl)-6,8-dimethoxy-isoquinoline-4-carboxylic acid (100 mg, 0.3 mmol) and 1,2,3,4-tetrahydro-isoquinoline (44 mg, 0.33 mmol) in 5 mL of THF was stirred at 0° C. under a nitrogen atmosphere. Diethyl cyanophosphonate (54 mg, 0.33 mmol) in 2 mL of THF was added followed by triethylamine (77 μL, 0.55 mmol). The reaction was stirred at 0° C. for 30 minutes and then at room temperature for 15 h. The reaction was diluted with EtOAc and then washed with water. The aqueous layer was extracted with EtOAc and the combined organic layers were washed with NH4OH (10% solution in H2O) and then with brine. The organic layer was then dried over magnesium sulfate, filtered and concentrated. The resulting residue was triturated with ether to give 87 mg (66%) of the desired product. H1-NMR (CDCl3): δ 8.30 (s, 1H), 7.27 (broad m, 4H), 6.75 (m, 1H), 6.58 (m, 2H), 5.09 (m, 2H), 4.41 (m, 2H), 3.98 (m, 2H), 3.83 (s, 2H), 3.50 (s, 3H), 3.09 and 2.77 (m, 1H each), 1.52 (s, 9H), [Note: broadening of peaks observed due to Boc group, rotamers also observed.] MS: APCI (M+H) calc'd for C27H31N3O5+H 478.6; found 478.0.

후처리

  1. waitat room temperature for 15 h
  2. washwashed with water
  3. extractionThe aqueous layer was extracted with EtOAc
  4. washthe combined organic layers were washed with NH4OH (10% solution in H2O)
  5. dry with materialThe organic layer was then dried over magnesium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customThe resulting residue was triturated with ether

출처 및 근거

ORD 기록
ord-222d1897163f464689acf5cfd644a6f7
출처 데이터셋
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07732446B1

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