Lithium hydroxide, monohydrate → 2-(3-(4-Fluorobenzyl)-2-oxoimidazolidin-1-yl)isonicotinic acid

HRID 714300ノート

反応式

HRID 714300 の反応式
[F:1][C:2]1[CH:24]=[CH:23][C:5]([CH2:6][N:7]2[CH2:11][CH2:10][N:9]([C:12]3[CH:13]=[C:14]([CH:19]=[CH:20][N:21]=3)[C:15]([O:17]C)=[O:16])[C:8]2=[O:22])=[CH:4][CH:3]=1.O.[OH-].[Li+]>O1CCCC1.O>[F:1][C:2]1[CH:3]=[CH:4][C:5]([CH2:6][N:7]2[CH2:11][CH2:10][N:9]([C:12]3[CH:13]=[C:14]([CH:19]=[CH:20][N:21]=3)[C:15]([OH:17])=[O:16])[C:8]2=[O:22])=[CH:23][CH:24]=1

参加物

5

実験手順

A solution of methyl 2-(3-(4-fluorobenzyl)-2-oxoimidazolidin-1-yl)isonicotinate (4.57 g, 13.90 mmol) and lithium hydroxide monohydrate (4.05 g, 96.52 mmol) in tetrahydrofuran (170 mL) and water (85 mL) was stirred for 19 hours. The organic solvent was removed in vacuo. The aqueous solution was acidified with 12 M hydrochloric acid solution until pH 3. The solid was filtered, washed with water (30 mL), hexanes (20 mL) and dried in vacuo to give 2-(3-(4-fluorobenzyl)-2-oxoimidazolidin-1-yl)isonicotinic acid as a colorless solid (4.15 g, 95%). 1H NMR (300 MHz, DMSO-d6) δ 8.71 (s, 1H), 8.40 (d, J=5.1 Hz, 1H), 7.37-7.31 (m, 3H), 7.18-7.13 (m, 2H), 4.39 (s, 2H), 3.94 (t, J=8.1 Hz, 2H), 3.35 (t, J=8.1 Hz, 2H); MS (ES+) m/z 316.2 (M+1).

後処理

  1. customThe organic solvent was removed in vacuo
  2. filtrationThe solid was filtered
  3. washwashed with water (30 mL), hexanes (20 mL)
  4. customdried in vacuo

出典と根拠

ORDレコード
ord-fe97cf8b8a20439ca132da7e12f9c130
出典データセット
uspto-grants-2015_11
特許番号
US09187426B2

反応ノート

読み込み中…