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Hydrochloric Acid → (2S)-2-(1-(3-chloropyridin-2-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-yloxy)-N-(5-fluoropyridin-2-yl)-3-((S)-1-hydroxypropan-2-yloxy)propanamide

HRID 1098038
ノート
印刷プレビュー

反応式

HRID 1098038 の反応式
Cl.[Si]([O:9][CH2:10][C@@H:11]([O:13][CH2:14][C@H:15]([O:26][C:27]1[N:32]=[CH:31][N:30]=[C:29]2[N:33]([C:36]3[C:41]([Cl:42])=[CH:40][CH:39]=[CH:38][N:37]=3)[N:34]=[CH:35][C:28]=12)[C:16]([NH:18][C:19]1[CH:24]=[CH:23][C:22]([F:25])=[CH:21][N:20]=1)=[O:17])[CH3:12])(C(C)(C)C)(C)C>C1COCC1>[Cl:42][C:41]1[C:36]([N:33]2[C:29]3=[N:30][CH:31]=[N:32][C:27]([O:26][C@@H:15]([CH2:14][O:13][C@@H:11]([CH3:12])[CH2:10][OH:9])[C:16]([NH:18][C:19]4[CH:24]=[CH:23][C:22]([F:25])=[CH:21][N:20]=4)=[O:17])=[C:28]3[CH:35]=[N:34]2)=[N:37][CH:38]=[CH:39][CH:40]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

4

反応物 2

HCID 313Hydrochloric AcidHCID 57504540(2S)-3-((S)-1-(tert-butyldimethylsilyloxy)propan-2-yloxy)-2-(1-(3-chloropyridin-2-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-yloxy)-N-(5-fluoropyridin-2-yl)propanamide

生成物 1

HCID 57504420(2S)-2-(1-(3-chloropyridin-2-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-yloxy)-N-(5-fluoropyridin-2-yl)-3-((S)-1-hydroxypropan-2-yloxy)propanamide収率 77%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran
溶媒

実験手順

HCl (4M in Dioxane) (0.530 mL, 2.12 mmol) was added to (2S)-3-((S)-1-(tert-butyldimethylsilyloxy)propan-2-yloxy)-2-(1-(3-chloropyridin-2-yl)-1H-pyrazolo[3,4-d]pyrimidin-4-yloxy)-N-(5-fluoropyridin-2-yl)propanamide (Intermediate AO3) (638 mg, 1.06 mmol) in THF (5 mL) at room temperature. The resulting solution was stirred for 20 minutes. The reaction mixture was evaporated and the residue partitioned between EtOAc (25 mL) and sat NaHCO3 (10 mL). The organic layer was dried (MgSO4) and evaporated. The crude product was purified by preparative chiral-HPLC on a Merck 50 mm 20 μm Chiralpak AS column, eluting isocratically with 30% EtOH in isohexane (modified with Et3N) as eluent to afford the product (397 mg, 77%). 1H NMR (400 MHz, CDCl3) δ1.16 (d, 3H), 2.73 (s, 1H), 3.51-3.68 (m, 2H), 3.69-3.78 (m, 1H), 4.12-4.28 (m, 2H), 6.06 (t, 1H), 7.42-7.50 (m, 2H), 7.99-8.03 (m, 1H), 8.13 (d, 1H), 8.21-8.26 (m, 1H), 8.47 (s, 1H), 8.60-8.65 (m, 2H), 9.09 (s, 1H); m/z (ESI+) (M+H)+=488.42; HPLC tR=1.75 min

後処理

  1. customThe reaction mixture was evaporated
  2. customthe residue partitioned between EtOAc (25 mL)
  3. dry with materialThe organic layer was dried (MgSO4)
  4. customevaporated
  5. customThe crude product was purified by preparative chiral-HPLC on a Merck 50 mm 20 μm Chiralpak AS column
  6. washeluting isocratically with 30% EtOH in isohexane (modified with Et3N) as eluent

出典と根拠

ORDレコード
ord-5fff1b2295244f28ac0e20c1c8e9e22e
出典データセット
uspto-grants-2012_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08143263B2

反応ノート

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