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Hydrochloric Acid → 10-[(3R,4R)-7-hydroxy-3-(4-hydroxyphenyl)-3-methythiochroman-4-yl]-2-(4,4,5,5,5-pentafluoropentyl)decanoic acid

HRID 398074
ノート
印刷プレビュー

反応式

HRID 398074 の反応式
[OH:1][C:2]1[CH:11]=[C:10]2[C:5]([C@H:6]([CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][CH:28]([CH2:34][CH2:35][CH2:36][C:37]([F:43])([F:42])[C:38]([F:41])([F:40])[F:39])[C:29]([O:31]CC)=[O:30])[C@@:7]([C:13]3[CH:18]=[CH:17][C:16]([OH:19])=[CH:15][CH:14]=3)([CH3:12])[CH2:8][S:9]2)=[CH:4][CH:3]=1.[OH-].[Na+].Cl>C(O)C.O>[OH:1][C:2]1[CH:11]=[C:10]2[C:5]([C@H:6]([CH2:20][CH2:21][CH2:22][CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][CH:28]([CH2:34][CH2:35][CH2:36][C:37]([F:43])([F:42])[C:38]([F:39])([F:40])[F:41])[C:29]([OH:31])=[O:30])[C@@:7]([C:13]3[CH:14]=[CH:15][C:16]([OH:19])=[CH:17][CH:18]=3)([CH3:12])[CH2:8][S:9]2)=[CH:4][CH:3]=1
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 313Hydrochloric AcidHCID 14798Sodium HydroxideHCID 12043771ethyl 10-[(3R,4R)-7-hydroxy-3-(4-hydroxyphenyl)-3-methylthiochroman-4-yl]-2-(4,4,5,5,5-pentafluoropentyl)decanoate

生成物 1

HCID 1204377210-[(3R,4R)-7-hydroxy-3-(4-hydroxyphenyl)-3-methythiochroman-4-yl]-2-(4,4,5,5,5-pentafluoropentyl)decanoic acid収率 91%

試薬・触媒・溶媒 1

HCID 19096565
Water ethanol
溶媒

実験手順

Ethyl 10-[(3R,4R)-7-hydroxy-3-(4-hydroxyphenyl)-3-methylthiochroman-4-yl]-2-(4,4,5,5,5-pentafluoropentyl)decanoate (2.08 g, 3.297 mmol) and sodium hydroxide (527 mg, 13.19 mmol) were added to an ethanol/water mixture (40/10 ml), followed by heating under reflux for 4 hours. The reaction mixture was acidified with 2N hydrochloric acid and then extracted with ethyl acetate. The organic layer was dried over anhydrous magnesium sulfate. After distilling off the solvent, the residue was purified by silica gel column chromatography (eluent: ethyl acetate/hexane/dichloromethane=1/4/1) to give 10-[(3R,4R)-7-hydroxy-3-(4-hydroxyphenyl)-3-methythiochroman-4-yl]-2-(4,4,5,5,5-pentafluoropentyl)decanoic acid (1.8 g, Yield 91%) as a foam.

後処理

  1. temperatureby heating
  2. temperatureunder reflux for 4 hours
  3. extractionextracted with ethyl acetate
  4. dry with materialThe organic layer was dried over anhydrous magnesium sulfate
  5. distillationAfter distilling off the solvent
  6. customthe residue was purified by silica gel column chromatography (eluent: ethyl acetate/hexane/dichloromethane=1/4/1)

出典と根拠

ORDレコード
ord-bc1627cac4364628948606b0c3140fac
出典データセット
uspto-grants-2003_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06610733B2

反応ノート

読み込み中…

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