Sodium Bicarbonate → [1-(2-{5-[4-(4-{2-[1-(2-Methoxycarbonylamino-3-methyl-butyryl)-pyrrolidin-2-yl]-3H-imidazol-4-yl}-phenyl)-naphthalen-1-yl]-1H-imidazol-2-yl}-pyrrolidine-1-carbonyl)-2-methyl-propyl]-carbamic acid methyl ester

HRID 71826Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 71826
[CH3:1][O:2][C:3](=[O:32])[NH:4][CH:5]([C:9]([N:11]1[CH2:15][CH2:14][CH2:13][CH:12]1[C:16]1[NH:17][C:18]([C:21]2[C:30]3[C:25](=[CH:26][CH:27]=[CH:28][CH:29]=3)[C:24](Br)=[CH:23][CH:22]=2)=[CH:19][N:20]=1)=[O:10])[CH:6]([CH3:8])[CH3:7].[CH3:33][O:34][C:35](=[O:68])[NH:36][CH:37]([C:41]([N:43]1[CH2:47][CH2:46][CH2:45][CH:44]1[C:48]1[NH:49][C:50]([C:53]2[CH:58]=[CH:57][C:56](B3OC(C)(C)C(C)(C)O3)=[CH:55][CH:54]=2)=[CH:51][N:52]=1)=[O:42])[CH:38]([CH3:40])[CH3:39].C([O-])(O)=O.[Na+]>COCCOC.O>[CH3:1][O:2][C:3](=[O:32])[NH:4][CH:5]([C:9]([N:11]1[CH2:15][CH2:14][CH2:13][CH:12]1[C:16]1[NH:17][C:18]([C:21]2[C:30]3[C:25](=[CH:26][CH:27]=[CH:28][CH:29]=3)[C:24]([C:56]3[CH:57]=[CH:58][C:53]([C:50]4[NH:49][C:48]([CH:44]5[CH2:45][CH2:46][CH2:47][N:43]5[C:41](=[O:42])[CH:37]([NH:36][C:35]([O:34][CH3:33])=[O:68])[CH:38]([CH3:40])[CH3:39])=[N:52][CH:51]=4)=[CH:54][CH:55]=3)=[CH:23][CH:22]=2)=[CH:19][N:20]=1)=[O:10])[CH:6]([CH3:8])[CH3:7]

Komponenten

6

Reaktionsbedingungen

Temperatur
85 °C

Versuchsvorschrift

(1-{2-[5-(4-Bromo-naphthalen-1-yl)-1H-imidazol-2-yl]-pyrrolidine-1-carbonyl}-2-methyl-propyl)-carbamic acid methyl ester (0.115 g), [2-Methyl-1-(2-{5-[4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-1H-imidazol-2-yl}-pyrrolidine-1-carbonyl)-propyl]-carbamic acid methyl ester (0.111 g), and NaHCO3 (0.0623 g) were dissolved in a mixture of 1,2-dimethoxyethane (3 mL) and water (1 mL). The solution was degassed with nitrogen, and Pd(PPh3)4 (0.0114 g) was added. The reaction mixture was stirred at 85° C. for 16 hours and evaporated under vacuum. Solid was dissolved in ethyl acetate (10 mL) and extracted twice with water (10 mL) and once with brine (10 mL). Solution was evaporated, dissolved in DMF, purified by reverse phase HPLC (5-70% acetonitrile:water), and lyophilized, giving [1-(2-{5-[4-(4-{2-[1-(2-Methoxycarbonylamino-3-methyl-butyryl)-pyrrolidin-2-yl]-3H-imidazol-4-yl}-phenyl)-naphthalen-1-yl]-1H-imidazol-2-yl}-pyrrolidine-1-carbonyl)-2-methyl-propyl]-carbamic acid methyl ester (0.037 g, 21%) as a white solid: 1H-NMR: 300 MHz, (CHCl3-d1) δ: 8.9 (m, 1H), 7.6 (m, 2H), 7.4 (m, 5H), 7.0 (m, 2H), 6.8 (m, 2H), 5.8 (m, 2H), 5.3 (m, 2H), 4.3 (m, 2H), 4.0 (m, 4H), 3.6 (s, 6H), 2.4 (m, 6H), 2.0 (m, 6H), 0.8 (m, 12H); MS (ESI) m/z 789 [M+H]+.

Aufarbeitung

  1. customThe solution was degassed with nitrogen, and Pd(PPh3)4 (0.0114 g)
  2. additionwas added
  3. customevaporated under vacuum
  4. dissolutionSolid was dissolved in ethyl acetate (10 mL)
  5. extractionextracted twice with water (10 mL) and once with brine (10 mL)
  6. customSolution was evaporated
  7. dissolutiondissolved in DMF
  8. custompurified by reverse phase HPLC (5-70% acetonitrile:water)

Quellen und Nachweise

ORD-Eintrag
ord-16ff61bdfc534bd28d8b0a1fa5bc3e85
Quelldatensatz
uspto-grants-2014_09
Patentnummer
US08822430B2

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