Acetic Acid → N-[4-chloro-2-(cyclohexylisopropoxyiminomethyl)phenyl]trifluoromethanesulfonamide

HRID 970881ノート

反応式

HRID 970881 の反応式
CN(C)CCN.[CH:7]([O:10][N:11]1[C:15](=O)[C:14]2=[CH:17][CH:18]=[CH:19][CH:20]=[C:13]2C1=O)([CH3:9])[CH3:8].C(O)(=O)C.[Cl:26][C:27]1[CH:32]=[CH:31][C:30]([NH:33][S:34]([C:37]([F:40])([F:39])[F:38])(=[O:36])=[O:35])=[C:29](C(C2CCCCC2)=O)[CH:28]=1>CCO>[Cl:26][C:27]1[CH:28]=[CH:29][C:30]([NH:33][S:34]([C:37]([F:40])([F:38])[F:39])(=[O:36])=[O:35])=[C:31]([C:15]([CH:14]2[CH2:13][CH2:20][CH2:19][CH2:18][CH2:17]2)=[N:11][O:10][CH:7]([CH3:8])[CH3:9])[CH:32]=1

参加物

6

反応物 4

HCID 176Acetic AcidHCID 66053N,N-DimethylethylenediamineHCID 27689132-(1-Methylethoxy)-1H-isoindole-1,3(2H)-dioneHCID 67270465N-(4-chloro-2-cyclohexanecarbonylphenyl)trifluoromethanesulfonamide

生成物 1

HCID 72491797N-[4-chloro-2-(cyclohexylisopropoxyiminomethyl)phenyl]trifluoromethanesulfonamide収率 91.4%

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

実験手順

N,N-Dimethylethylenediamine (254 μL, 2.20 mmol) was added to a solution of N-isopropoxyphthalimide (308 mg, 1.50 mmol) in EtOH (5 mL), and the reaction allowed to stir at RT for 15 hours. Glacial acetic acid (2 mL) was then added to adjust the mixture to ca. pH 4, followed by the addition of N-(4-chloro-2-cyclohexanecarbonylphenyl)-trifluoromethanesulfonamide 29E (370 mg, 1.0 mmol), and the reaction stirred for 15 hours at RT. The reaction mixture was concentrated under vacuum, and the residue dissolved in Et2O (50 mL) and washed with water, brine, dried over MgSO4 and the solvent removed under reduced pressure. The residue was purified by column chromatography (eluting with CH2Cl2/PE, 1:1) to afford N-[4-chloro-2-(cyclohexylisopropoxyiminomethyl)phenyl]trifluoromethanesulfonamide 210 (390 mg, 91%), as a colorless oil. 1H n.m.r. (400 MHz, CDCl3) (1:1 mixture of E- and Z-isomers) δ 10.59, br s, 1H; 8.11, br s, 1H; 7.61, d, J=8.8 Hz, 1H; 7.49, d, J=8.8 Hz, 1H; 7.46, d, J=2.4 Hz, 1H; 7.42, dd, J=2.4 and 8.8 Hz, 1H; 7.30, dd, J=2.4 and 8.8 Hz, 1H; 7.24, d, J=2.4 Hz, 1H; 4.49, m, 1H; 4.39, m, 1H; 2.97, m, 1H; 2.45, m, 1H; 1.97-1.71, m, 14H; 1.34-1.24, m, 18H. HRMS (M+) 426.0983.

後処理

  1. stirringthe reaction stirred for 15 hours at RT
  2. concentrationThe reaction mixture was concentrated under vacuum
  3. dissolutionthe residue dissolved in Et2O (50 mL)
  4. washwashed with water, brine
  5. dry with materialdried over MgSO4
  6. customthe solvent removed under reduced pressure
  7. customThe residue was purified by column chromatography (eluting with CH2Cl2/PE, 1:1)

出典と根拠

ORDレコード
ord-12515d752853474b9abcea2ebe5fa762
出典データセット
uspto-grants-2007_12
特許番号
US07312248B2

反応ノート

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