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Boron trifluoride etherate → 1-[[4-(4-Fluorophenoxy)benzenesulfonyl]-(3-hydroxypropyl)amino]cyclopentanecarboxylic acid benzyl ester

HRID 323799
ノート
印刷プレビュー

反応式

HRID 323799 の反応式
[CH2:1]([O:8][C:9]([C:11]1([N:16]([CH2:34][CH2:35][CH2:36][O:37][Si](C(C)(C)C)(C)C)[S:17]([C:20]2[CH:25]=[CH:24][C:23]([O:26][C:27]3[CH:32]=[CH:31][C:30]([F:33])=[CH:29][CH:28]=3)=[CH:22][CH:21]=2)(=[O:19])=[O:18])[CH2:15][CH2:14][CH2:13][CH2:12]1)=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.B(F)(F)F.CCOCC>C(Cl)Cl>[CH2:1]([O:8][C:9]([C:11]1([N:16]([S:17]([C:20]2[CH:21]=[CH:22][C:23]([O:26][C:27]3[CH:32]=[CH:31][C:30]([F:33])=[CH:29][CH:28]=3)=[CH:24][CH:25]=2)(=[O:19])=[O:18])[CH2:34][CH2:35][CH2:36][OH:37])[CH2:12][CH2:13][CH2:14][CH2:15]1)=[O:10])[C:2]1[CH:7]=[CH:6][CH:5]=[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

4

反応物 2

HCID 8000Boron trifluoride etherateHCID 155242791-{[3-(Tert-butyl-dimethylsilanyloxy)-propyl]-[4-(4-fluorophenoxy)benzenesulfonyl]-amino}cyclopentanecarboxylic acid benzyl ester

生成物 1

HCID 155242801-[[4-(4-Fluorophenoxy)benzenesulfonyl]-(3-hydroxypropyl)amino]cyclopentanecarboxylic acid benzyl ester収率 102.5%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

To a solution of the crude 1{[3-(tert-butyl-dimethylsilanyloxy)-propyl]-[4-(4-fluorophenoxy)benzenesulfonyl]-amino}cyclopentanecarboxylic acid benzyl ester (279 grams) in methylene chloride (1 L) at room temperature was added boron trifluoride etherate (103 mL, 0.84 mole). After 1 hour, the reaction was quenched by sequential addition of saturated ammonium chloride solution and water. The organic phase was separated, washed with water and brine and dried over magnesium sulfate. Evaporation of the solvent under vacuum provided crude 1-[[4-(4-fluorophenoxy)benzenesulfonyl]-(3-hydroxypropyl)amino]cyclopentanecarboxylic acid benzyl ester as an amber oil (235 grams).

後処理

  1. customthe reaction was quenched by sequential addition of saturated ammonium chloride solution and water
  2. customThe organic phase was separated
  3. washwashed with water and brine
  4. dry with materialdried over magnesium sulfate
  5. customEvaporation of the solvent under vacuum

出典と根拠

ORDレコード
ord-47ce682108204cd8b185cbdc6befe9e0
出典データセット
uspto-grants-2001_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06214872B1

反応ノート

読み込み中…

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