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Hydrochloric Acid → N-[(5-hydroxy-6-(1-methylethyl)-2-{[2'-(methyloxy)-2-biphenylyl]methyl}-3-oxo-2,3-dihydro-4-pyridazinyl)carbonyl]glycine

HRID 1822418
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1822418
Br[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[CH2:8][N:9]1[C:14](=[O:15])[C:13]([C:16]([NH:18][CH2:19][C:20]([OH:22])=[O:21])=[O:17])=[C:12]([OH:23])[C:11]([CH:24]([CH3:26])[CH3:25])=[N:10]1.[CH3:27][O:28][C:29]1[CH:34]=[CH:33][CH:32]=[CH:31][C:30]=1B(O)O.C(=O)([O-])[O-].[K+].[K+].Cl>O1CCOCC1.O.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[OH:23][C:12]1[C:11]([CH:24]([CH3:26])[CH3:25])=[N:10][N:9]([CH2:8][C:3]2[CH:4]=[CH:5][CH:6]=[CH:7][C:2]=2[C:30]2[CH:31]=[CH:32][CH:33]=[CH:34][C:29]=2[O:28][CH3:27])[C:14](=[O:15])[C:13]=1[C:16]([NH:18][CH2:19][C:20]([OH:22])=[O:21])=[O:17]
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Komponenten

8

Edukt 4

HCID 313Hydrochloric AcidHCID 11430Potassium CarbonateHCID 27339582-Methoxyphenylboronic acidHCID 54739212N-{[2-[(2-Bromophenyl)methyl]-5-hydroxy-6-(1-methylethyl)-3-oxo-2,3-dihydro-4-pyridazinyl]carbonyl}glycine

Produkt 1

HCID 54739197N-[(5-hydroxy-6-(1-methylethyl)-2-{[2'-(methyloxy)-2-biphenylyl]methyl}-3-oxo-2,3-dihydro-4-pyridazinyl)carbonyl]glycine
Ausbeute 49,7 %

Reagenzien, Katalysatoren, Lösungsmittel 3

HCID 178418397HCID 178418397, VerbindungKatalysatorHCID 962WaterLösungsmittel2×HCID 312751,4-DioxaneLösungsmittel

Versuchsvorschrift

To a 5 ml microwave tube was added N-{[2-[(2-bromophenyl)methyl]-5-hydroxy-6-(1-methylethyl)-3-oxo-2,3-dihydro-4-pyridazinyl]carbonyl}glycine (example 78(b), 75 mg, 0.177 mmol), 2-methoxyphenylboronic acid (26.9 mg, 0.177 mmol), potassium carbonate (73.3 mg, 0.530 mmol), and tetrakis(triphenylphosphine)palladium (0) (6.13 mg, 5.30 μmol) in 1,4-Dioxane (1.5 ml) and Water (0.500 ml). The mixture was irradiated at 100° C. for 20 minutes. The reaction mixture was diluted with water (5 ml), acidified with 1N HCl (2 ml), and extracted with ethyl acetate (20 ml). The organic phase was dried over MgSO4, filtered, and solvents removed under reduced pressure. The crude residue was purified by HPLC chromatography (ODS silica, gradient 10-75% acetonitrile/water (0.1% TFA)) to afford the title compound N-[(5-hydroxy-6-(1-methylethyl)-2-{[2′-(methyloxy)-2-biphenylyl]methyl}-3-oxo-2,3-dihydro-4-pyridazinyl)carbonyl]glycine (40 mg, 0.088 mmol, 49.6% yield) as a white powder. 1H NMR (400 MHz, DMSO-d6) d ppm 15.80 (s, 1H), 12.99 (br. s., 1H), 10.09 (t, J=4.93 Hz, 1 H), 7.26-7.39 (m, 3H), 7.04-7.19 (m, 4H), 6.98 (td, J=7.45, 0.76 Hz, 1H), 5.00-5.16 (m, rotomers, 2H), 4.06 (d, J=5.81 Hz, 2H), 3.74 (s, 3H), 3.08 (m, 1H), 1.03-1.13 (m, rotomers, 6H). MS (ES+) m/e 452 [M+H]+.

Aufarbeitung

  1. customThe mixture was irradiated at 100° C. for 20 minutes
  2. extractionextracted with ethyl acetate (20 ml)
  3. dry with materialThe organic phase was dried over MgSO4
  4. filtrationfiltered
  5. customsolvents removed under reduced pressure
  6. customThe crude residue was purified by HPLC chromatography (ODS silica, gradient 10-75% acetonitrile/water (0.1% TFA))

Quellen und Nachweise

ORD-Eintrag
ord-2bc998b2b55a40c4bb02bc814d8474c0
Quelldatensatz
uspto-grants-2009_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07608621B2

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