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Diisopropylcarbodiimide → [2-(2(S)-{4-[3-(5-Chloro-2-hydroxy-phenyl)-1-(2-hydroxy-ethyl)-1H-pyrazol-4-ylethynyl]-phenylcarbamoyl}-piperidin-1-yl)-2-oxo-1(R)-phenyl-ethyl]-carbamic acid tert-butyl ester

HRID 2075762
ノート
印刷プレビュー

反応式

HRID 2075762 の反応式
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]([OH:33])=[C:6]([C:8]2[C:12]([C:13]#[C:14][C:15]3[CH:20]=[CH:19][C:18]([NH:21][C:22]([C@@H:24]4[CH2:29][CH2:28][CH2:27][CH2:26][NH:25]4)=[O:23])=[CH:17][CH:16]=3)=[CH:11][N:10]([CH2:30][CH2:31][OH:32])[N:9]=2)[CH:7]=1.[NH:34]([C:45]([O:47][C:48]([CH3:51])([CH3:50])[CH3:49])=[O:46])[C@@H:35]([C:42](O)=[O:43])[C:36]1[CH:41]=[CH:40][CH:39]=[CH:38][CH:37]=1.CC(C)N=C=NC(C)C>C1COCC1>[C:48]([O:47][C:45](=[O:46])[NH:34][C@H:35]([C:36]1[CH:37]=[CH:38][CH:39]=[CH:40][CH:41]=1)[C:42]([N:25]1[CH2:26][CH2:27][CH2:28][CH2:29][C@H:24]1[C:22](=[O:23])[NH:21][C:18]1[CH:17]=[CH:16][C:15]([C:14]#[C:13][C:12]2[C:8]([C:6]3[CH:7]=[C:2]([Cl:1])[CH:3]=[CH:4][C:5]=3[OH:33])=[N:9][N:10]([CH2:30][CH2:31][OH:32])[CH:11]=2)=[CH:20][CH:19]=1)=[O:43])([CH3:51])([CH3:49])[CH3:50]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 12734DiisopropylcarbodiimideHCID 2755953(2R)-2-{[(tert-butoxy)carbonyl]amino}-2-phenylacetic acidHCID 135974994Piperidine-2(S)-carboxylic acid {4-[3-(5-chloro-2-hydroxy-phenyl)-1-(2-hydroxy-ethyl)-1H-pyrazol-4-ylethynyl]-phenyl}-amide

生成物 1

HCID 135974992[2-(2(S)-{4-[3-(5-Chloro-2-hydroxy-phenyl)-1-(2-hydroxy-ethyl)-1H-pyrazol-4-ylethynyl]-phenylcarbamoyl}-piperidin-1-yl)-2-oxo-1(R)-phenyl-ethyl]-carbamic acid tert-butyl ester
収率 54%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

To a mixture of compound 10A (1.0 g, 2.15 mmol) and BOC-D-Phg-OH (11A, 0.65 g, 2.58 mmol) was added anhydrous THF (30 mL) and the resultant mixture was stirred at rt for 5 min. DIPC (0.40 mL, 2.58 mmol) was added slowly at rt. The final reaction mixture was stirred at rt overnight. The solvent was removed and the residua were dissolved in small amount of ethyl acetate. Solid was removed by filtration. The filtrate was purified by silica column chromatography eluting with hexanes-ethyl acetate (v/v 3/1, 2/1, 1/1 and 2/3). The product was recrystallized from hexanes-ethyl acetate gave the title compound (12A, 0.81 g) as white crystals in 54% yield. 1H NMR (CDCl3, 500 MHz) δ 10.60 (s, 1H), 8.70 (s, 1H), 8.49 (s, 1H), 7.81 (d, 2H, J=8.0 Hz), 7.77 (s, 1H), 7.55 (d, 2H, J=8.0 Hz), 7.41 (m, 5H), 7.20 (d, 1H, J=8.5 Hz), 6.96 (d, 1H, J=9.0 Hz), 5.58 (d, 1H, J=3.5 Hz), 5.53 (d, 2H, J=3.5 Hz), 4.31 (s, 2H), 4.06 (d, 2H, J=3.5 Hz), 3.86 (d, 1H, J=13.0 Hz), 3.16 (t, 1H, J=13.0 Hz), 2.48 (d, 1H, J=13.5 Hz), 2.00 (s, 1H), 1.61 (br s, 2H), 1.56-1.30 (m, 11H), 0.88 (m, 1H). LCMS (ESI) m/z 720.27 (MNa+), 698.22 (MH+), 642.10, 598.15, 345.16 (100), 289.14. HPLC: tR=5.25 min.

後処理

  1. customThe final reaction mixture
  2. customThe solvent was removed
  3. dissolutionthe residua were dissolved in small amount of ethyl acetate
  4. customSolid was removed by filtration
  5. customThe filtrate was purified by silica column chromatography
  6. washeluting with hexanes-ethyl acetate (v/v 3/1, 2/1, 1/1 and 2/3)
  7. customThe product was recrystallized from hexanes-ethyl acetate

出典と根拠

ORDレコード
ord-a42041a92010496aa8ce3490d2294546
出典データセット
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07923004B2

反応ノート

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