Ethyl Acetate → phosphoric acid di-tert-butyl ester 4-{4-[(2,6-dichloro-benzoylamino)-methyl]-phenyl}-2-oxo-2H-pyridin-1-ylmethyl ester

HRID 1042934

反応式

HRID 1042934 の反応式
[Cl:1][C:2]1[CH:26]=[CH:25][CH:24]=[C:23]([Cl:27])[C:3]=1[C:4]([NH:6][CH2:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[CH:19]=[CH:18][N:17]([CH2:20]Cl)[C:16](=[O:22])[CH:15]=2)=[CH:10][CH:9]=1)=[O:5].C(=O)([O-])[O-].[K+].[K+].[C:34]([O:38][P:39]([O-:46])([O:41][C:42]([CH3:45])([CH3:44])[CH3:43])=[O:40])([CH3:37])([CH3:36])[CH3:35].[K+].C(OCC)(=O)C>CN(C=O)C.[I-].C([N+](CCCC)(CCCC)CCCC)CCC>[Cl:1][C:2]1[CH:26]=[CH:25][CH:24]=[C:23]([Cl:27])[C:3]=1[C:4]([NH:6][CH2:7][C:8]1[CH:13]=[CH:12][C:11]([C:14]2[CH:19]=[CH:18][N:17]([CH2:20][O:46][P:39](=[O:40])([O:38][C:34]([CH3:37])([CH3:36])[CH3:35])[O:41][C:42]([CH3:43])([CH3:44])[CH3:45])[C:16](=[O:22])[CH:15]=2)=[CH:10][CH:9]=1)=[O:5]

参加物

7

反応物 4

HCID 8857Ethyl AcetateHCID 11430Potassium CarbonateHCID 23674467Potassium di-tert-butyl phosphateHCID 866754212,6-dichloro-N-[4-(1-chloromethyl-2-oxo-1,2-dihydro-pyridin-4-yl)-benzyl]-benzamide

生成物 1

HCID 71149943phosphoric acid di-tert-butyl ester 4-{4-[(2,6-dichloro-benzoylamino)-methyl]-phenyl}-2-oxo-2H-pyridin-1-ylmethyl ester

試薬・触媒・溶媒 2

HCID 67553Tetrabutylammonium Iodide触媒HCID 6228Dimethylformamide溶媒

反応条件

温度
70 °C

実験手順

2,6-Dichloro-N-[4-(1-chloromethyl-2-oxo-1,2-dihydro-pyridin-4-yl)-benzyl]-benzamide from the previous step was dissolved in 50 mL DMF. Potassium carbonate (1 g) was added followed by potassium di(t-butyl)phosphate (2 g) and tetrabutylammonium iodide (50 mg). The mixture was stirred at 70° C. for four hours after which it was poured into 300 mL ethyl acetate. The organic phase was washed with water and brine, dried with magnesium sulfate and evaporated under vacuum. The crude product was further purified by silica gel chromatography (eluent: ethyl acetate), giving phosphoric acid di-tert-butyl ester 4-{4-[(2,6-dichloro-benzoylamino)-methyl]-phenyl}-2-oxo-2H-pyridin-1-ylmethyl ester as a colorless oil which slowly crystallized.

後処理

  1. washThe organic phase was washed with water and brine
  2. dry with materialdried with magnesium sulfate
  3. customevaporated under vacuum
  4. customThe crude product was further purified by silica gel chromatography (eluent: ethyl acetate)

出典と根拠

ORDレコード
ord-e44cac3e8c1145db86fe9fb197a5c8e6
出典データセット
uspto-grants-2013_10
特許番号
US08558001B2

関連ノート

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