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

HRID 1822415
ノート
印刷プレビュー

反応式

HRID 1822415 の反応式
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.[N+:27]([C:30]1[CH:35]=[CH:34][C:33](B(O)O)=[CH:32][CH:31]=1)([O-:29])=[O:28].C(=O)([O-])[O-].[K+].[K+].Cl>O1CCOCC1.O.CO.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:33]2[CH:34]=[CH:35][C:30]([N+:27]([O-:29])=[O:28])=[CH:31][CH:32]=2)[C:14](=[O:15])[C:13]=1[C:16]([NH:18][CH2:19][C:20]([OH:22])=[O:21])=[O:17]
参加物実験手順後処理出典と根拠反応ノート

参加物

9

反応物 4

HCID 313Hydrochloric AcidHCID 11430Potassium CarbonateHCID 27735524-Nitrophenylboronic acidHCID 54739212N-{[2-[(2-Bromophenyl)methyl]-5-hydroxy-6-(1-methylethyl)-3-oxo-2,3-dihydro-4-pyridazinyl]carbonyl}glycine

生成物 1

HCID 54739201N-({5-hydroxy-6-(1-methylethyl)-2-[(4'-nitro-2-biphenylyl)methyl]-3-oxo-2,3-dihydro-4-pyridazinyl}carbonyl)glycine収率 49.2%

試薬・触媒・溶媒 4

HCID 178418397HCID 178418397、化合物触媒HCID 887Methanol溶媒HCID 962Water溶媒2 回HCID 312751,4-Dioxane溶媒

実験手順

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), (4-nitrophenyl)boronic acid (29.5 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 (4 ml), acidified with 1N HCl (1 ml), and diluted with methanol (2 ml) then filtered to remove any residue followed by purification 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-[(4′-nitro-2-biphenylyl)methyl]-3-oxo-2,3-dihydro-4-pyridazinyl}carbonyl)glycine (41 mg, 0.087 mmol, 49.2% yield) as a white powder. 1H NMR (400 MHz, DMSO-d6) d ppm 10.04 (t, J=5.43 Hz, 1H), 8.27 (ddd, J=9.03, 2.40, 2.21 Hz, 2 H), 7.69 (ddd, J=9.03, 2.40, 2.21 Hz, 2H), 7.37-7.48 (m, 2H), 7.20-7.34 (m, 2H), 5.27 (s, 2H), 4.03 (d, J=5.81 Hz, 2H), 3.10 (sept, J=6.86 Hz, 1H), 1.09 (d, J=6.82 Hz, 6 H). MS (ES+) m/e 467 [M+H]+.

後処理

  1. customThe mixture was irradiated at 100° C. for 20 minutes
  2. filtrationthen filtered
  3. customto remove any residue
  4. customfollowed by purification by HPLC chromatography (ODS silica, gradient 10-75% acetonitrile/water (0.1% TFA))

出典と根拠

ORDレコード
ord-3c377dac65ee4c2d8d501e23678f090d
出典データセット
uspto-grants-2009_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07608621B2

反応ノート

読み込み中…

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