Sodium Hydroxide → 3-Methyl-2-[2-(4-amidinophenyl)ethyl]imidazo[4,5-b]pyridine-6-carboxylic acid-N-phenyl-N-(2-hydroxycarbonylethyl)amide

HRID 50193ノート

反応式

HRID 50193 の反応式
[C:1]1([N:7]([CH2:31][CH2:32][C:33]([O:35]CC)=[O:34])[C:8]([C:10]2[CH:11]=[C:12]3[N:18]=[C:17]([CH2:19][CH2:20][C:21]4[CH:26]=[CH:25][C:24]([C:27](=[NH:29])[NH2:28])=[CH:23][CH:22]=4)[N:16]([CH3:30])[C:13]3=[N:14][CH:15]=2)=[O:9])[CH:6]=[CH:5][CH:4]=[CH:3][CH:2]=1.[OH-].[Na+]>C(O)C.O>[C:1]1([N:7]([CH2:31][CH2:32][C:33]([OH:35])=[O:34])[C:8]([C:10]2[CH:11]=[C:12]3[N:18]=[C:17]([CH2:19][CH2:20][C:21]4[CH:22]=[CH:23][C:24]([C:27](=[NH:28])[NH2:29])=[CH:25][CH:26]=4)[N:16]([CH3:30])[C:13]3=[N:14][CH:15]=2)=[O:9])[CH:2]=[CH:3][CH:4]=[CH:5][CH:6]=1

参加物

5

実験手順

A solution of 535 mg (1.0 mmol) of 3-methyl-2-[2-(4-amidinophenyl)ethyl]imidazo[4,5-b]pyridine-6-carboxylic acid-N-phenyl-N-(2-ethoxycarbonylethyl)amide in 10 mL ethanol was mixed with 5 mL of 2N sodium hydroxide solution and stirred for 2 hours at room temperature. Then the mixture was diluted with 10 mL water, the alcohol was distilled off, the aqueous phase was washed with 20 mL ethyl acetate and acidified with concentrated hydrochloric acid, whereupon the desired compound was precipitated in the form of white crystals. Yield: 375 mg (74% of theory), C26H26N6O3 (470.54); Rf value: 0.23 (silica gel; ethyl acetate/ethanol/ammonia=90:5:5); mass spectrum: (M+H)+=471.

後処理

  1. distillationthe alcohol was distilled off
  2. washthe aqueous phase was washed with 20 mL ethyl acetate
  3. customwas precipitated in the form of white crystals

出典と根拠

ORDレコード
ord-2fcd82643328441b90d2b76c0fea57f0
出典データセット
uspto-grants-2004_03
特許番号
US06710055B2

反応ノート

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