Methylamine → HCID 58405769、化合物

HRID 44829ノート

反応式

HRID 44829 の反応式
[CH:1]1([N:6]2[C:15]3[N:14]=[C:13]([C:16]4[CH:21]=[CH:20][N:19]=[C:18](F)[CH:17]=4)[N:12]=[CH:11][C:10]=3[N:9]([CH3:23])[C:8](=[O:24])[C@H:7]2[CH2:25][CH3:26])[CH2:5][CH2:4][CH2:3][CH2:2]1.[CH3:27][NH2:28]>CCN(CC)CC>[CH:1]1([N:6]2[C:15]3[N:14]=[C:13]([C:16]4[CH:21]=[CH:20][N:19]=[C:18]([NH:28][CH3:27])[CH:17]=4)[N:12]=[CH:11][C:10]=3[N:9]([CH3:23])[C:8](=[O:24])[C@H:7]2[CH2:25][CH3:26])[CH2:5][CH2:4][CH2:3][CH2:2]1

参加物

4

反応物 2

HCID 6329MethylamineHCID 58405345(R)-8-cyclopentyl-7-ethyl-2-(2-fluoropyridin-4-yl)-5-methyl-7,8-dihydropteridin-6(5H)-one

生成物 1

HCID 58405769HCID 58405769、化合物収率 70%

試薬・触媒・溶媒 1

HCID 8471Triethylamine溶媒

反応条件

温度
110 °C

実験手順

To a solution of (R)-8-cyclopentyl-7-ethyl-2-(2-fluoropyridin-4-yl)-5-methyl-7,8-dihydropteridin-6(5H)-one (Example 16, 200 mg, 0.56 mmol) in methylamine (5 mL of 2M in CH3OH), 1 mL of Et3N was added. The mixture was stirred at 110° C. in a sealed tube for 18 h, and then concentrated under reduced pressure, quenched with water and extracted with EtOAc. The combined organic phase was dried with Na2SO4, concentrated under reduced pressure, and chromatographed (CH2Cl2:CH3OH=10:1) to give the title compound as a white solid (150 mg, 70% yield). 1H NMR (CDCl3) δ: 9.76 (broad, 1H), 8.08 (s, 1H) 7.85 (d, 1H), 7.74 (s, 1H), 7.58 (d, 1H), 4.40 (m, 2H), 3.43 (s, 3H), 3.1 (s, 3H), 2.2-1.7 (m, 10H) and 0.89 ppm (t, 3H); LCMS: 367.2 m/z (M+H)+; ret. Time: 1.44 min (Analytical Method E).

後処理

  1. concentrationconcentrated under reduced pressure
  2. customquenched with water
  3. extractionextracted with EtOAc
  4. dry with materialThe combined organic phase was dried with Na2SO4
  5. concentrationconcentrated under reduced pressure
  6. customchromatographed (CH2Cl2:CH3OH=10:1)

出典と根拠

ORDレコード
ord-f2c472cc80c14b8fa1ff403c98af04ae
出典データセット
uspto-grants-2013_09
特許番号
US08541418B2

反応ノート

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