N,N'-Dimethylethylenediamine → 3-(2-amino-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-4-methyl-1-(3-thienyl)pyridin-2(1H)-one

HRID 632836

反応式

HRID 632836 の反応式
[NH2:1][C:2]1[N:3]=[CH:4][C:5]2[CH2:11][N:10]([C:12]3[C:13](=[O:19])[NH:14][CH:15]=[CH:16][C:17]=3[CH3:18])[CH2:9][CH2:8][C:6]=2[N:7]=1.I[C:21]1[CH:25]=[CH:24][S:23][CH:22]=1.CNCCNC.P([O-])([O-])([O-])=O.[K+].[K+].[K+]>CN1CCCC1=O.[Cu](I)I>[NH2:1][C:2]1[N:3]=[CH:4][C:5]2[CH2:11][N:10]([C:12]3[C:13](=[O:19])[N:14]([C:21]4[CH:25]=[CH:24][S:23][CH:22]=4)[CH:15]=[CH:16][C:17]=3[CH3:18])[CH2:9][CH2:8][C:6]=2[N:7]=1

参加物

7

反応物 4

HCID 8070N,N'-DimethylethylenediamineHCID 62657Potassium Phosphate, TribasicHCID 663323-IodothiopheneHCID 1212495913-(2-amino-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-4-methylpyridin-2(1H)-one

生成物 1

HCID 1212495493-(2-amino-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-4-methyl-1-(3-thienyl)pyridin-2(1H)-one収率 35%

試薬・触媒・溶媒 2

HCID 83717Copper iodide触媒HCID 13387N-methyl-2-pyrrolidone溶媒

反応条件

温度
70 °C

実験手順

A degassed solution of 3-(2-amino-7,8-dihydropyrido[4,3-d]pyrimidin-6(5H)-yl)-4-methylpyridin-2(1H)-one (26 mg, 0.097 mmol), 3-iodothiophene (23 mg, 0.102 mmol), N1,N2-dimethylethane-1,2-diamine (5 mg, 0.049 mmol), copper iodide (4 mg, 0.020 mmol), and potassium phosphate (41 mg, 0.194 mmol) in 2 mL of N-methylpyrrolidone was heated to 70° C. After allowing the reaction to stir overnight (16 h) at 70° C., the reaction was complete and therefore allowed to cool to room temperature. The reaction was extracted with with EtOAc (3×5 mL) and with NaHCO3 (2×10 mL). The crude organic layers were combined, dried over anhydrous Na2SO4 (s), filtered and then concentrated in vacuo. The crude mixture was then purified over silica using a 0-100% EtOAc gradient/100-0% Hexane gradient mixture after which, the appropriate fractions were concentrated to afford a solid. This solid was further purified by recrystallization using an Et2O/Hexane solvent mixture to give the title compound (11 mg, 35%). 1H NMR (DMSO) δ: 7.98 (s, 1H), 7.92 (s, 1H), 7.84 (d, J=6.2, 1H), 7.22 (d, J=6.2, 1H), 6.28 (m, 1H), 6.17 (d, J=7.0 Hz, 2H), 3.98 (br. S, 2H), 3.33 (s, 2H), 2.56(t, j=5.3 Hz, 2H), 2.17 (s, 3H)

後処理

  1. customthe reaction
  2. temperatureto cool to room temperature
  3. extractionThe reaction was extracted with with EtOAc (3×5 mL) and with NaHCO3 (2×10 mL)
  4. dry with materialdried over anhydrous Na2SO4 (s)
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. customThe crude mixture was then purified over silica using a 0-100% EtOAc gradient/100-0% Hexane gradient mixture after which
  8. concentrationthe appropriate fractions were concentrated
  9. customto afford a solid
  10. customThis solid was further purified by recrystallization

出典と根拠

ORDレコード
ord-28607bff95f64b4495f777e8ab32655a
出典データセット
uspto-grants-2016_04
特許番号
US09321766B1

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