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Ethyl Acetate → HCID 19786595、化合物

HRID 1646743
ノート
印刷プレビュー

反応式

HRID 1646743 の反応式
Cl.[CH3:2][N:3]([CH2:5][CH:6]1[C:21](=[O:22])[C:10]2[C:11]([C:14]3[CH:19]=[CH:18][CH:17]=[CH:16][C:15]=3[F:20])=[N:12][O:13][C:9]=2[CH2:8][CH2:7]1)[CH3:4].Cl.[F:24][C:25]1[CH:38]=[CH:37][C:28]([C:29]([CH:31]2[CH2:36]CNC[CH2:32]2)=[O:30])=[CH:27][CH:26]=1.C(=O)([O-])[O-].[K+].[K+].C(OCC)(=O)C>O>[F:24][C:25]1[CH:26]=[CH:27][C:28]([C:29]([CH:31]2[CH2:32][CH2:2][N:3]([CH2:5][CH:6]3[C:21](=[O:22])[C:10]4[C:11]([C:14]5[CH:19]=[CH:18][CH:17]=[CH:16][C:15]=5[F:20])=[N:12][O:13][C:9]=4[CH2:8][CH2:7]3)[CH2:4][CH2:36]2)=[O:30])=[CH:37][CH:38]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 8857Ethyl AcetateHCID 11430Potassium CarbonateHCID 3084438p-Fluorophenyl 4-piperidyl ketone hydrochlorideHCID 19786590HCID 19786590、化合物

生成物 1

HCID 19786595HCID 19786595、化合物収率 46.5%

試薬・触媒・溶媒 1

HCID 962Water
溶媒

実験手順

To a solution consisting of 6,7-dihydro-5-dimethylaminomethyl-3-(2-fluorophenyl)-1,2-benzisoxazol-4(5H)-one hydrochloride (1.86 g) in distilled water (18.5 ml) was added 4-(4-fluorobenzoyl)piperidine hydrochloride (2.78 g) and potassium carbonate (0.80 g). The reaction mixture was heated at reflux for 3 hours. Upon cooling to room temperature, ethyl acetate was added and the layers were separated. The aqueous phase was extracted twice with ethyl acetate. The combined organic layers were washed with brine and dried (MgSO4). Filtration and concentration gave the crude product. Purification via flash column chromatography (silica gel, 40% ethyl acetate/hexane) afforded 1.20 g of 6,7-dihydro-5-(4-(4-fluorobenzoyl)-1-piperidinyl)methyl-3-(2-fluorophenyl)-1,2-benzisoxazol-4(5H)-one. The compound was flushed through alumina with dichloromethane to give an oil which solidified on standing. The product was then recrystallized from ether/hexane, m.p. 99°-102° C.

後処理

  1. temperatureThe reaction mixture was heated
  2. temperatureat reflux for 3 hours
  3. customthe layers were separated
  4. extractionThe aqueous phase was extracted twice with ethyl acetate
  5. washThe combined organic layers were washed with brine
  6. dry with materialdried (MgSO4)
  7. filtrationFiltration and concentration
  8. customgave the crude product
  9. customPurification via flash column chromatography (silica gel, 40% ethyl acetate/hexane)

出典と根拠

ORDレコード
ord-f7f280b3f707439e80035aa51b234ec9
出典データセット
uspto-grants-1993_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05180834

反応ノート

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