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Potassium Carbonate → 6-fluoro-3-{2-[4-(4-chloro-3-methoxy-phenyl)-piperazin-1-yl]-2-oxo-ethyl}-3H-benzooxazol-2-one

HRID 1710635
ノート
印刷プレビュー

反応式

HRID 1710635 の反応式
Cl[CH2:2][C:3]([N:5]1[CH2:10][CH2:9][N:8]([C:11]2[CH:16]=[CH:15][C:14]([Cl:17])=[C:13]([O:18][CH3:19])[CH:12]=2)[CH2:7][CH2:6]1)=[O:4].[F:20][C:21]1[CH:30]=[CH:29][C:24]2[NH:25][C:26](=[O:28])[O:27][C:23]=2[CH:22]=1.C([O-])([O-])=O.[K+].[K+]>CN1C(=O)CCC1>[F:20][C:21]1[CH:30]=[CH:29][C:24]2[N:25]([CH2:2][C:3]([N:5]3[CH2:10][CH2:9][N:8]([C:11]4[CH:16]=[CH:15][C:14]([Cl:17])=[C:13]([O:18][CH3:19])[CH:12]=4)[CH2:7][CH2:6]3)=[O:4])[C:26](=[O:28])[O:27][C:23]=2[CH:22]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 11430Potassium CarbonateHCID 144573586-Fluoro-1,3-benzoxazol-2(3H)-oneHCID 210711262-Chloro-1-(4-(4-chloro-3-methoxyphenyl)piperazin-1-yl)ethanone

生成物 1

HCID 160594436-fluoro-3-{2-[4-(4-chloro-3-methoxy-phenyl)-piperazin-1-yl]-2-oxo-ethyl}-3H-benzooxazol-2-one

試薬・触媒・溶媒 1

HCID 13387N-methyl-2-pyrrolidone溶媒

実験手順

In a 4 mL vial was added 2-chloro-1-[4-(4-chloro-3-methoxy-phenyl)-piperazin-1-yl]-ethanone (1) (59 mg, 0.20 mmol, 1.0 equiv), 6-fluoro-3H-benzooxazol-2-one (30 mg, 0.20 mmol, 1.00 equiv), K2CO3 (110 mg, 0.80 mmol, 4.0 equiv) and 800 μL of NMP. A stir bar was placed in the vial and the vial was then capped. The resultant mixture stirred at 60° C. overnight. The crude product was purified by reversed phase HPLC (acetonitrile —H2O with 0.1% TFA as the eluent) to yield 6-fluoro-3-{2-[4-(4-chloro-3-methoxy-phenyl)-piperazin-1-yl]-2-oxo-ethyl}-3H-benzooxazol-2-one (18): HPLC retention time, 2.35 minutes (Agilent Zorbax SB-C18, 2.1×50 mm, 5μ, 35° C.) using 1 ml/min flow rate, a 2.5 minute gradient of 20% to 100% B with a 1.1 minute wash at 100% B (A=0.1% formic acid/5% acetonitrile/94.9% water, B=0.1% formic acid/5% water/94.9% acetonitrile); MS (ES) M+H expected, 419.8, found, 419.9.

後処理

  1. customA stir bar was placed
  2. customin the vial and the vial was then capped
  3. customThe crude product was purified by reversed phase HPLC (acetonitrile —H2O with 0.1% TFA as the eluent)

出典と根拠

ORDレコード
ord-140604371e0b42d783062c59dc8fa057
出典データセット
uspto-grants-2010_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07790726B2

反応ノート

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