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Hydrochloric Acid → 1-(4-(2-(5-Bromo-3-phenoxypyridin-2-ylamino)thiazol-4-yl)piperidin-1-yl)ethanone hydrochloride

HRID 1809548
ノート
印刷プレビュー

反応式

HRID 1809548 の反応式
[ClH:1].Cl.[Br:3][C:4]1[CH:5]=[C:6]([O:22][C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)[C:7]([NH:10][C:11]2[S:12][CH:13]=[C:14]([CH:16]3[CH2:21][CH2:20][NH:19][CH2:18][CH2:17]3)[N:15]=2)=[N:8][CH:9]=1.C(N(CC)CC)C.[C:36](OC(=O)C)(=[O:38])[CH3:37].C([O-])(O)=O.[Na+].Cl>C1COCC1>[ClH:1].[Br:3][C:4]1[CH:5]=[C:6]([O:22][C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=2)[C:7]([NH:10][C:11]2[S:12][CH:13]=[C:14]([CH:16]3[CH2:21][CH2:20][N:19]([C:36](=[O:38])[CH3:37])[CH2:18][CH2:17]3)[N:15]=2)=[N:8][CH:9]=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 5

HCID 313Hydrochloric AcidHCID 7918Acetic AnhydrideHCID 8471TriethylamineHCID 516892Sodium BicarbonateHCID 866314825-bromo-3-phenoxy-N-(4-(piperidin-4-yl)thiazol-2-yl)pyridin-2-amine dihydrochloride

生成物 1

HCID 249445161-(4-(2-(5-Bromo-3-phenoxypyridin-2-ylamino)thiazol-4-yl)piperidin-1-yl)ethanone hydrochloride
収率 58.8%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

A 20 mL vial was charged with 5-bromo-3-phenoxy-N-(4-(piperidin-4-yl)thiazol-2-yl)pyridin-2-amine dihydrochloride (80 mg, 0.159 mmol), triethylamine (0.088 mL, 0.64 mmol) and THF (2 mL). Acetic anhydride (0.015 mL, 0.16 mmol) was added and stirred at ambient temperature for 30 minutes. The reaction was poured into saturated aqueous NaHCO3 and extract with EtOAc (2×20 mL). The organic layer was dried with sodium sulfate, filtered and concentrated in vacuo. The residue was purified on silica gel (5% methanol in EtOAc) to afford the title compound (47.6 mg, 58.8% yield) as a white solid after HCl salt formation. 1H NMR (d6-DMSO) δ 11.00 (bs, 1H), 8.23 (d, 1H), 7.44 (m, 2H), 7.40 (d, 1H), 7.21 (t, 1H), 7.11 (d, 2H), 6.70 (s, 1H), 4.41 (d, 1H), 3.12 (m, 1H), 2.83 (tt, 1H), 2.62 (td, 1H), 2.50 (m, 1H), 2.00 (s, 3H), 1.93 (m, 2H), 1.55 (qd, 1H), 1.42 (qd, 1H). Mass spectrum (apci) m/z=475.2 (M+H—HCl).

後処理

  1. extractionextract with EtOAc (2×20 mL)
  2. dry with materialThe organic layer was dried with sodium sulfate
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo
  5. customThe residue was purified on silica gel (5% methanol in EtOAc)

出典と根拠

ORDレコード
ord-82d68f1b76524e3cbed70853375a78cc
出典データセット
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08362037B2

反応ノート

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