Potassium Carbonate → 1-[2-[3-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)1-piperidinyl]propoxy]-5-methylphenyl]ethanone

HRID 55578

反応式

HRID 55578 の反応式
Cl.[F:2][C:3]1[CH:17]=[CH:16][C:6]2[C:7]([CH:10]3[CH2:15][CH2:14][NH:13][CH2:12][CH2:11]3)=[N:8][O:9][C:5]=2[CH:4]=1.C([O-])([O-])=O.[K+].[K+].Br[CH2:25][CH2:26][CH2:27][O:28][C:29]1[CH:34]=[CH:33][C:32]([CH3:35])=[CH:31][C:30]=1[C:36](=[O:38])[CH3:37]>CN(C)C=O.C(#N)C>[F:2][C:3]1[CH:17]=[CH:16][C:6]2[C:7]([CH:10]3[CH2:11][CH2:12][N:13]([CH2:25][CH2:26][CH2:27][O:28][C:29]4[CH:34]=[CH:33][C:32]([CH3:35])=[CH:31][C:30]=4[C:36](=[O:38])[CH3:37])[CH2:14][CH2:15]3)=[N:8][O:9][C:5]=2[CH:4]=1

参加物

6

反応物 3

HCID 11430Potassium CarbonateHCID 104232991-[2-(3-Bromopropoxy)-5-methylphenyl]ethanoneHCID 11334359R-56109 hydrochloride

生成物 1

HCID 104766811-[2-[3-[4-(6-Fluoro-1,2-benzisoxazol-3-yl)1-piperidinyl]propoxy]-5-methylphenyl]ethanone収率 46.2%

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒HCID 6342Acetonitrile溶媒

反応条件

温度
95 °C

実験手順

A mixture of 6-fluoro-3-(4-piperidinyl)-1,2-benzisoxazole hydrochloride (2.87 g, 11.23 mmol), K2CO3 (2.5 g), 1-[2-(3-bromopropoxy)-5-methylphenyl]ethanone (3.74 g, 13.8 mmol) in dimethylformamide (10 ml) and acetonitrile (.50 ml) was heated at 95° C. for 6 hours. At the end of the reaction, the solvent was concentrated and the mixture was extracted into dichloromethane (300 ml). The organic solution was washed with water and brine, dried over MgSO4, then concentrated down to a crude oil. The purification was done by flash chromatography over a silica gel column (SiO2, 60 g, eluted with 1% CH3OH:dichloromethane: 1.2 l; 3% CH3OH:dichloromethane: 600 ml). The material thus obtained was crystallized from a small volume of ether and hexane to provide 2.13 g (46%) of off-white 1-[2-[3-[4-(6-fluoro-1,2-benzisoxazol-3-yl)-1-piperidinyl]propoxy]-5-methylphenyl]ethanone, m.p.=92°-93° C.

後処理

  1. customAt the end of the reaction
  2. concentrationthe solvent was concentrated
  3. extractionthe mixture was extracted into dichloromethane (300 ml)
  4. washThe organic solution was washed with water and brine
  5. dry with materialdried over MgSO4
  6. concentrationconcentrated down to a crude oil
  7. customThe purification
  8. washwas done by flash chromatography over a silica gel column (SiO2, 60 g, eluted with 1% CH3OH:dichloromethane: 1.2 l; 3% CH3OH:dichloromethane: 600 ml)
  9. customThe material thus obtained
  10. customwas crystallized from a small volume of ether and hexane

出典と根拠

ORDレコード
ord-ee1fee9fa2914c37889ebdbe2e9175a4
出典データセット
uspto-grants-1997_04
特許番号
US05624927

関連ノート

読み込み中…