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Water → (S)-2-[4-(2-chloro-6-fluoro-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-3-cyclohexyl-propionic acid

HRID 19004
ノート
印刷プレビュー

反応式

HRID 19004 の反応式
C[O:2][C:3](=[O:27])[C@@H:4]([N:12]1[CH2:16][C:15]([O:17][C:18]2[C:23]([F:24])=[CH:22][CH:21]=[CH:20][C:19]=2[Cl:25])=[CH:14][C:13]1=[O:26])[CH2:5][CH:6]1[CH2:11][CH2:10][CH2:9][CH2:8][CH2:7]1.[OH-].[Li+].O.C(OCC)C>O1CCCC1>[Cl:25][C:19]1[CH:20]=[CH:21][CH:22]=[C:23]([F:24])[C:18]=1[O:17][C:15]1[CH2:16][N:12]([C@@H:4]([CH2:5][CH:6]2[CH2:11][CH2:10][CH2:9][CH2:8][CH2:7]2)[C:3]([OH:27])=[O:2])[C:13](=[O:26])[CH:14]=1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 962WaterHCID 3283Diethyl EtherHCID 3939Lithium HydroxideHCID 66895182(S)-2-[4-(2-chloro-6-fluoro-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-3-cyclohexyl-propionic acid methyl ester

生成物 1

HCID 66893500(S)-2-[4-(2-chloro-6-fluoro-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-3-cyclohexyl-propionic acid収率 97%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

反応条件

温度
25 °C

実験手順

To a stirred mixture of (S)-2-[4-(2-chloro-6-fluoro-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-3-cyclohexyl-propionic acid methyl ester (800 mg, 2.00 mmol) in tetrahydrofuran (10 mL) was added 0.5N lithium hydroxide solution (8.0 mL, 4.0 mmol). After addition was complete the mixture was stirred at 25° C. for 2 h. The reaction mixture was poured into water and diethyl ether and the layers were separated. The aqueous layer was made acidic with 1N aqueous hydrochloric acid and extracted with ethyl acetate (3×30 mL). The combined ethyl acetate fractions were washed with a saturated sodium chloride solution, dried over magnesium sulfate, filtered and concentrated to afford (S)-2-[4-(2-chloro-6-fluoro-phenoxy)-2-oxo-2,5-dihydro-pyrrol-1-yl]-3-cyclohexyl-propionic acid (740 mg, 97%) as a light brown solid: LR-ES-MS m/z calculated for C19H21ClFNO4 [M]+ 381, observed [M+H]+ 382.

後処理

  1. additionAfter addition
  2. customthe layers were separated
  3. extractionextracted with ethyl acetate (3×30 mL)
  4. washThe combined ethyl acetate fractions were washed with a saturated sodium chloride solution
  5. dry with materialdried over magnesium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated

出典と根拠

ORDレコード
ord-f5b9c2f81c154fa3a3356e91368dbceb
出典データセット
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07741327B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート