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Sodium Hydroxide → trans-2-[4-(6-Trifluoromethyl-benzo[b]thiophen-3-yl)-piperazin-1-ylmethyl]-cyclopropanecarboxylic acid

HRID 456514
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HRID 456514 반응식
[OH-].[Na+].C[O:4][C:5]([C@@H:7]1[CH2:9][C@H:8]1[CH2:10][N:11]1[CH2:16][CH2:15][N:14]([C:17]2[C:18]3[CH:25]=[CH:24][C:23]([C:26]([F:29])([F:28])[F:27])=[CH:22][C:19]=3[S:20][CH:21]=2)[CH2:13][CH2:12]1)=[O:6]>O1CCOCC1.CO>[F:28][C:26]([F:27])([F:29])[C:23]1[CH:24]=[CH:25][C:18]2[C:17]([N:14]3[CH2:15][CH2:16][N:11]([CH2:10][C@@H:8]4[CH2:9][C@H:7]4[C:5]([OH:6])=[O:4])[CH2:12][CH2:13]3)=[CH:21][S:20][C:19]=2[CH:22]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

4

반응물 2

HCID 14798Sodium HydroxideHCID 68456225trans-2-[4-(6-Trifluoromethyl-benzo[b]thiophen-3-yl)-piperazin-1-ylmethyl]-cyclopropanecarboxylic Acid Methyl Ester

생성물 1

HCID 18436982trans-2-[4-(6-Trifluoromethyl-benzo[b]thiophen-3-yl)-piperazin-1-ylmethyl]-cyclopropanecarboxylic acid수율 81%

시약·촉매·용매 1

HCID 21966525Dioxane Methanol용매

실험 절차

Add 5N NaOH solution (425 mL, 226 mmol) to a solution of trans-2-[4-(6-trifluoromethyl-benzo[b]thiophen-3-yl)-piperazin-1-ylmethyl]-cyclopropanecarboxylic acid methyl ester, Example 6a, (18.0 g, 45.1 mmol) in dioxane/methanol (400 mL, 3:1) and heat the reaction at 60° C. for 6 h. Selectively remove most of the methanol and acidify the remaining dioxane solution to pH 5–6 with 2N acetic acid. Collect the desired compound, which precipitates from solution, to obtain 14.08 g (81%) of colorless crystals, m/z=385 (M+H)+

후처리

  1. temperatureheat
  2. customthe reaction at 60° C. for 6 h
  3. customSelectively remove most of the methanol
  4. customCollect the desired compound, which
  5. customprecipitates from solution

출처 및 근거

ORD 기록
ord-a163d59a6bcd4a9d931af2f27032247f
출처 데이터셋
uspto-grants-2007_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07186724B2

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