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Glycolaldehyde → 2-(6-Amino-5-(3-(6-benzyloxy-pyridin-3-ylmethyl)-isoxazol-5-yl)-pyridin-2-ylamino)-ethanol

HRID 1694228
ノート
印刷プレビュー

反応式

HRID 1694228 の反応式
[CH2:1]([O:8][C:9]1[N:14]=[CH:13][C:12]([CH2:15][C:16]2[CH:20]=[C:19]([C:21]3[C:22]([NH2:28])=[N:23][C:24]([NH2:27])=[CH:25][CH:26]=3)[O:18][N:17]=2)=[CH:11][CH:10]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[OH:29][CH2:30][CH:31]=O.N1C=CC=CC=1C.B.C(=O)([O-])O.[Na+]>C(O)(=O)C.CN(C)C=O>[NH2:28][C:22]1[N:23]=[C:24]([NH:27][CH2:31][CH2:30][OH:29])[CH:25]=[CH:26][C:21]=1[C:19]1[O:18][N:17]=[C:16]([CH2:15][C:12]2[CH:13]=[N:14][C:9]([O:8][CH2:1][C:2]3[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=3)=[CH:10][CH:11]=2)[CH:20]=1
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 756GlycolaldehydeHCID 516892Sodium BicarbonateHCID 16217944Borane;2-methylpyridineHCID 441596033-(3-(6-Benzyloxy-pyridin-3-ylmethyl)-isoxazol-5-yl)-pyridine-2,6-diamine

生成物 1

HCID 592553762-(6-Amino-5-(3-(6-benzyloxy-pyridin-3-ylmethyl)-isoxazol-5-yl)-pyridin-2-ylamino)-ethanol収率 10%

試薬・触媒・溶媒 2

HCID 176
Acetic Acid
溶媒
HCID 6228Dimethylformamide溶媒

実験手順

To a mixture of 3-(3-(6-benzyloxy-pyridin-3-ylmethyl)-isoxazol-5-yl)-pyridin-2,6-diamine (40 mg, 0.11 mmol) described in Example 25 and N,N-dimethylformamide (0.5 mL) were 2-hydroxyacetaldehyde (7.7 mg, 0.13 mmol), a-picoline-borane (14 mg, 0.13 mmol), and acetic acid (40 μL) at room temperature, which was stirred for 100 minutes at the same temperature. A saturated sodium hydrogencarbonate aqueous solution was added to the reaction mixture, which was extracted with ethyl acetate. The organic layer was washed with saturated aqueous sodium chloride and dried over anhydrous magnesium sulfate, after which the organic layer was concentrated under a reduced pressure. The residue thus obtained was purified by reverse-phase high performance liquid chromatography (using an acetonitrile-water mobile phase containing 0.1% trifluoroacetic acid) to obtain a crude product, and then purified by NH silica gel column chromatography (ethyl acetate:methanol=50:1) to obtain the title compound (4.5 mg, 10%).

後処理

  1. customat room temperature
  2. extractionwas extracted with ethyl acetate
  3. washThe organic layer was washed with saturated aqueous sodium chloride
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationafter which the organic layer was concentrated under a reduced pressure
  6. customThe residue thus obtained
  7. customwas purified by reverse-phase high performance liquid chromatography (
  8. additioncontaining 0.1% trifluoroacetic acid)
  9. customto obtain a crude product
  10. custompurified by NH silica gel column chromatography (ethyl acetate:methanol=50:1)

出典と根拠

ORDレコード
ord-1c374d6d803c44c0b3a7f8e69407eb0b
出典データセット
uspto-grants-2012_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08158657B2

反応ノート

読み込み中…

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