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Diisopropylethylamine → tert-butyl 3-({3-(benzyloxy)-5-[(1S)-2-methoxy-1-methylethoxy]benzoyl}amino)-1H-pyrazole-1-carboxylate

HRID 1989957
ノート
印刷プレビュー

反応式

HRID 1989957 の反応式
CCN(C(C)C)C(C)C.[CH3:10][O:11][CH2:12][C@@H:13]([O:15][C:16]1[CH:17]=[C:18]([CH:22]=[C:23]([O:25][CH2:26][C:27]2[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=2)[CH:24]=1)[C:19]([OH:21])=O)[CH3:14].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[NH2:57][C:58]1[CH:62]=[CH:61][N:60]([C:63]([O:65][C:66]([CH3:69])([CH3:68])[CH3:67])=[O:64])[N:59]=1>CN(C=O)C.O>[CH3:14][C@H:13]([O:15][C:16]1[CH:17]=[C:18]([C:19]([NH:57][C:58]2[CH:62]=[CH:61][N:60]([C:63]([O:65][C:66]([CH3:69])([CH3:68])[CH3:67])=[O:64])[N:59]=2)=[O:21])[CH:22]=[C:23]([O:25][CH2:26][C:27]2[CH:32]=[CH:31][CH:30]=[CH:29][CH:28]=2)[CH:24]=1)[CH2:12][O:11][CH3:10]
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 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 51358380tert-Butyl 3-amino-1H-pyrazole-1-carboxylateHCID 59127150Benzoic acid, 3-[(1S)-2-methoxy-1-methylethoxy]-5-(phenylmethoxy)-

生成物 1

HCID 59127136
tert-butyl 3-({3-(benzyloxy)-5-[(1S)-2-methoxy-1-methylethoxy]benzoyl}amino)-1H-pyrazole-1-carboxylate
収率 74.1%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒

実験手順

DIPEA (28.5 mL, 164 mmol) was added to a suspension of 3-[(1S)-2-methoxy-(1-methylethyl)oxy]-5-{[phenylmethyl]oxy}benzoic acid (20.7 g, 65.6 mmol), HATU (31.2 g, 82.0 mmol) and 1,1-dimethylethyl 3-amino-1H-pyrazole-1-carboxylate (15.0 g, 82.0 mmol) in DMF (30 mL) and the reaction mixture stirred for 16 hours at RT. Water (250 mL) was added and the reaction mixture extracted with diethyl ether (3×150 mL). The organic layer was washed with saturated brine solution and dried (MgSO4). The filtrate was concentrated in vacuo and the residue crystallised on standing. The crystals were washed with isohexane to give to give the desired material as yellow crystals (23.4 g; 73%). m/z 482 (M+H)+.

後処理

  1. extractionthe reaction mixture extracted with diethyl ether (3×150 mL)
  2. washThe organic layer was washed with saturated brine solution
  3. dry with materialdried (MgSO4)
  4. concentrationThe filtrate was concentrated in vacuo
  5. customthe residue crystallised
  6. washThe crystals were washed with isohexane
  7. customto give

出典と根拠

ORDレコード
ord-a8040ca9e61f45e29d8b8874e3174c01
出典データセット
uspto-grants-2010_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07642263B2

反応ノート

読み込み中…

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