Dabco → Methyl 3-[5-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-oxadiazol-3-yl)-1-methyl-1H-indol-2-yl]propanoate

HRID 1512818ノート

反応式

HRID 1512818 の反応式
[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[O:16][N:15]=[C:14]([C:17]3[CH:18]=[C:19]4[C:23](=[CH:24][CH:25]=3)[NH:22][C:21]([CH2:26][CH2:27][C:28]([O:30][CH2:31]C)=[O:29])=[CH:20]4)[N:13]=2)[CH:5]=[N:6][C:7]=1[O:8][CH:9]([CH3:11])[CH3:10].[C:33](=O)(OC)OC.C1N2CCN(CC2)C1>CN(C)C=O.C(OCC)(=O)C>[Cl:1][C:2]1[CH:3]=[C:4]([C:12]2[O:16][N:15]=[C:14]([C:17]3[CH:18]=[C:19]4[C:23](=[CH:24][CH:25]=3)[N:22]([CH3:33])[C:21]([CH2:26][CH2:27][C:28]([O:30][CH3:31])=[O:29])=[CH:20]4)[N:13]=2)[CH:5]=[N:6][C:7]=1[O:8][CH:9]([CH3:11])[CH3:10]

参加物

6

反応物 3

HCID 9237DabcoHCID 12021Dimethyl CarbonateHCID 58222470Ethyl 3-[5-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-oxadiazol-3-yl)-1H-indol-2-yl]propanoate

生成物 1

HCID 67025220Methyl 3-[5-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-oxadiazol-3-yl)-1-methyl-1H-indol-2-yl]propanoate

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒HCID 8857Ethyl Acetate溶媒

実験手順

A solution of ethyl 3-[5-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-oxadiazol-3-yl)-1H-indol-2-yl]propanoate (D115) (112 mg), dimethyl carbonate (2.0 mL) and DABCO (33 mg) in N,N-dimethylformamide (2 mL) was stirred at 90° C. for 2 days. After cooled to room temperature, the reaction mixture was diluted with ethyl acetate. The organic solution was washed with water. The organic solution was dried over anhydrous sodium sulfate. The dried solution was concentrated. The residue was purified by column chromatography to afford methyl 3-[5-(5-{5-chloro-6-[(1-methylethyl)oxy]-3-pyridinyl}-1,2,4-oxadiazol-3-yl)-1-methyl-1H-indol-2-yl]propanoate (D116) (72 mg). The crude product was used directly in the next step without further identification.

後処理

  1. washThe organic solution was washed with water
  2. dry with materialThe organic solution was dried over anhydrous sodium sulfate
  3. concentrationThe dried solution was concentrated
  4. customThe residue was purified by column chromatography

出典と根拠

ORDレコード
ord-cfac944cd733488580b5a7e3ea842df3
出典データセット
uspto-grants-2012_07
特許番号
US08217028B2

反応ノート

読み込み中…