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Methanol → 6-{3-Chloro-4-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(2-methyl-pyridin-4-yl)-propyl]-phenyl}-nicotinic acid

HRID 1095906
ノート
印刷プレビュー

反応式

HRID 1095906 の反応式
C[O:2][C:3](=[O:32])[C:4]1[CH:9]=[CH:8][C:7]([C:10]2[CH:15]=[CH:14][C:13]([CH:16]([CH3:30])[C:17]([OH:29])([C:22]3[CH:27]=[CH:26][N:25]=[C:24]([CH3:28])[CH:23]=3)[C:18]([F:21])([F:20])[F:19])=[C:12]([Cl:31])[CH:11]=2)=[N:6][CH:5]=1.[Li+].[OH-].CO>C1COCC1>[Cl:31][C:12]1[CH:11]=[C:10]([C:7]2[CH:8]=[CH:9][C:4]([C:3]([OH:32])=[O:2])=[CH:5][N:6]=2)[CH:15]=[CH:14][C:13]=1[CH:16]([CH3:30])[C:17]([OH:29])([C:22]1[CH:27]=[CH:26][N:25]=[C:24]([CH3:28])[CH:23]=1)[C:18]([F:20])([F:19])[F:21]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 887MethanolHCID 3939Lithium HydroxideHCID 666991666-{3-Chloro-4-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(2-methyl-pyridin-4-yl)-propyl]-phenyl}-nicotinic acid methyl ester

生成物 1

HCID 595085726-{3-Chloro-4-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(2-methyl-pyridin-4-yl)-propyl]-phenyl}-nicotinic acid収率 98.4%

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒

実験手順

To 6-{3-chloro-4-[3,3,3-trifluoro-2-hydroxy-1-methyl-2-(2-methyl-pyridin-4-yl)-propyl]-phenyl}-nicotinic acid methyl ester (22 mg) aqueous 1N LiOH (5 ml), MeOH (2.5 ml) and THF (5 ml) were added. The resulting solution was stirred for 2 h at room temperature. Volatile solvents were removed in vacuo. The residual aqueous solution was diluted with water (10 ml) and washed with DCM (10 ml), then acidified to pH 6 with 1 N aqueous HCl and extracted with EtOAc. The combined EtOAc layers were dried over Na2SO4 and concentrated to give the title compound (21 mg) as a yellow oil. MS (m/e)=451.0 [M+H+].

後処理

  1. customVolatile solvents were removed in vacuo
  2. additionThe residual aqueous solution was diluted with water (10 ml)
  3. washwashed with DCM (10 ml)
  4. extractionextracted with EtOAc
  5. dry with materialThe combined EtOAc layers were dried over Na2SO4
  6. concentrationconcentrated

出典と根拠

ORDレコード
ord-f079cf7883794a5bb70df63c6ab0c3f0
出典データセット
uspto-grants-2012_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08138189B2

反応ノート

読み込み中…

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