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Lithium hydroxide, monohydrate → (1aRS,7bSR)-5-(2-fluorobenzenesulfonylamino)-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylic acid

HRID 927954
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인쇄 미리보기

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HRID 927954 반응식
[F:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[S:8]([NH:11][C:12]1[C:21]([C:22]([O:24]C)=[O:23])=[C:20]2[C:15]([CH:16]3[CH2:26][CH:17]3[CH2:18][O:19]2)=[CH:14][CH:13]=1)(=[O:10])=[O:9].O.[OH-].[Li+]>O1CCOCC1.O>[F:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][C:3]=1[S:8]([NH:11][C:12]1[C:21]([C:22]([OH:24])=[O:23])=[C:20]2[C:15]([CH:16]3[CH2:26][CH:17]3[CH2:18][O:19]2)=[CH:14][CH:13]=1)(=[O:9])=[O:10]
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참가 물질

5

반응물 2

HCID 168937Lithium hydroxide, monohydrateHCID 71006854methyl (1aRS,7bSR)-5-(2-Fluorobenzenesulfonylamino)-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate2회

생성물 1

HCID 86713249(1aRS,7bSR)-5-(2-fluorobenzenesulfonylamino)-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylic acid수율 100.4%

시약·촉매·용매 2

HCID 962Water용매
HCID 31275
1,4-Dioxane
용매

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온도
100 °C

실험 절차

A mixture of methyl (1aRS,7bSR)-5-(2-Fluorobenzenesulfonylamino)-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate (Intermediate 68, 0.6 g) and lithium hydroxide monohydrate (1.5 g) in dioxane (45 mL) and water (13.8 mL) was stirred and heated at 100° C. overnight. After cooling, the mixture was concentrated under vacuum and the residue was diluted with water and acidified to pH3 with 1M hydrochloric acid. The precipitated solid was collected by filtration to give (1aRS,7bSR)-5-(2-fluorobenzenesulfonylamino)-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylic acid (0.58 g) as a white solid.

후처리

  1. temperatureAfter cooling
  2. concentrationthe mixture was concentrated under vacuum
  3. additionthe residue was diluted with water
  4. filtrationThe precipitated solid was collected by filtration

출처 및 근거

ORD 기록
ord-62a3346e22fc4f39a4de4910d85b8d98
출처 데이터셋
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09290472B2

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