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Triethylamine → 4,4,4-Trifluoro-2-hydroxy-1-(4-(2-(2-hydroxyphenyl)-7-methylquinazolin-4-yl)piperazin-1-yl)butan-1-one

HRID 2079255
ノート
印刷プレビュー

反応式

HRID 2079255 の反応式
[CH3:1][C:2]1[CH:11]=[C:10]2[C:5]([C:6]([N:19]3[CH2:24][CH2:23][NH:22][CH2:21][CH2:20]3)=[N:7][C:8]([C:12]3[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=3[OH:18])=[N:9]2)=[CH:4][CH:3]=1.[F:25][C:26]([F:34])([F:33])[CH2:27][CH:28]([OH:32])[C:29](O)=[O:30].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)CC)C>CN(C=O)C.O>[F:25][C:26]([F:34])([F:33])[CH2:27][CH:28]([OH:32])[C:29]([N:22]1[CH2:23][CH2:24][N:19]([C:6]2[C:5]3[C:10](=[CH:11][C:2]([CH3:1])=[CH:3][CH:4]=3)[N:9]=[C:8]([C:12]3[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=3[OH:18])[N:7]=2)[CH2:20][CH2:21]1)=[O:30]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 8471TriethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 198006174,4,4-Trifluoro-2-hydroxybutanoic acidHCID 1361346166-[7-methyl-4-(1-piperazinyl)-1H-quinazolin-2-ylidene]-1-cyclohexa-2,4-dienone

生成物 1

HCID 136121453
4,4,4-Trifluoro-2-hydroxy-1-(4-(2-(2-hydroxyphenyl)-7-methylquinazolin-4-yl)piperazin-1-yl)butan-1-one
収率 69.2%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒

実験手順

2-(7-Methyl-4-(piperazin-1-yl)quinazolin-2-yl)phenol (87 mg, 0.27 mmol), 4,4,4-trifluoro-2-hydroxybutanoic acid (43 mg, 0.27 mmol), HATU (0.12 g, 0.33 mmol) and triethylamine (45 μL, 0.33 mmol) were stirred in DMF (3 mL) at room temperature overnight. The mixture was diluted with water and extracted with EtOAc. The combined organic layers were washed with brine and water, dried over Na2SO4 and concentrated. Purification via silica gel chromatography using 0-20% EtOAc in 1:1 CH2Cl2: hexanes gave 4,4,4-trifluoro-2-hydroxy-1-(4-(2-(2-hydroxyphenyl)-7-methylquinazolin-4-yl)piperazin-1-yl)butan-1-one as an off-white solid (86 mg, 66%). 1H NMR (400 MHz, CDCl3) d 8.46 (dd, J=8.0, 1.7 Hz, 1H), 7.77 (d, J=8.5 Hz, 1H), 7.70 (s, 1H), 7.41-7.37 (m, 1H), 7.31 (dd, J=8.5, 1.5 Hz, 1H), 7.05-7.03 (m, 1H), 6.97-6.93 (m, 1H), 4.80-4.75 (m, 1H), 4.07-3.68 (m, 9H), 2.56 (s, 3H), 2.50-2.39 (m, 2H) ppm; LC/MS: m/z 461.3 (M+H)+ at 2.49 min (10%-99% CH3CN (0.035% TFA)/H2O (0.05% TFA)).

後処理

  1. extractionextracted with EtOAc
  2. washThe combined organic layers were washed with brine and water
  3. dry with materialdried over Na2SO4
  4. concentrationconcentrated
  5. customPurification via silica gel chromatography

出典と根拠

ORDレコード
ord-67b781e2e377449fa2e5b2035e4fb7a5
出典データセット
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07928107B2

反応ノート

読み込み中…

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