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Sodium hydride → 7-(t-Butoxycarbonyl-3-pyrrolidinyloxy)-1-cyclopropyl-5-amino-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid

HRID 465376
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HRID 465376 반응식
[CH:1]1([N:4]2[C:13]3[C:8](=[C:9]([NH2:17])[C:10]([F:16])=[C:11](F)[C:12]=3[F:14])[C:7](=[O:18])[C:6]([C:19]([O:21]CC)=[O:20])=[CH:5]2)[CH2:3][CH2:2]1.[C:24]([O:28][C:29]([N:31]1[CH2:35][CH2:34][CH:33]([OH:36])[CH2:32]1)=[O:30])([CH3:27])([CH3:26])[CH3:25].C1CCN2C(=NCCC2)CC1.[H-].[Na+]>C(Cl)(Cl)Cl.CS(C)=O>[C:24]([O:28][C:29]([N:31]1[CH2:35][CH2:34][CH:33]([O:36][C:11]2[C:12]([F:14])=[C:13]3[C:8]([C:7](=[O:18])[C:6]([C:19]([OH:21])=[O:20])=[CH:5][N:4]3[CH:1]3[CH2:3][CH2:2]3)=[C:9]([NH2:17])[C:10]=2[F:16])[CH2:32]1)=[O:30])([CH3:27])([CH3:25])[CH3:26]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 24758Sodium hydrideHCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 44169391-Boc-3-pyrrolidinolHCID 14127986Ethyl 5-amino-1-cyclopropyl-6,7,8-trifluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate

생성물 1

HCID 150215497-(t-Butoxycarbonyl-3-pyrrolidinyloxy)-1-cyclopropyl-5-amino-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid수율 30.4%

시약·촉매·용매 2

HCID 679Dimethyl Sulfoxide용매HCID 6212Chloroform용매

실험 절차

To a mixture of 277 mg of ethyl 1-cyclopropyl-5-amino-6,7,8-trifluoro-1,4-dihydro-4-oxoquinoline-3-carboxylate, 318 mg of 1-t-butoxycarbonyl-3-hydroxypyrrolidine, 194 mg of DBU and 3 ml of DMSO was added 74 mg of 55% sodium hydride while the former was stirred at room temperature. After the resultant mixture was stirred for 1 hour at room temperature, the reaction mixture was diluted with chloroform and then successively washed with 10% citric acid and saturated saline. The organic layer was dried over anhydrous sodium sulfate and then concentrated to dryness. The residue was recrystallized from ethanol, whereby 120 mg of 7-(1-t-butoxycarbonyl-3-pyrrolidinyloxy)-1-cyclopropyl-5-amino-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid was obtained.

후처리

  1. washsuccessively washed with 10% citric acid and saturated saline
  2. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  3. concentrationconcentrated to dryness
  4. customThe residue was recrystallized from ethanol

출처 및 근거

ORD 기록
ord-4879574beb60430a9f39e4a83b573810
출처 데이터셋
uspto-grants-1992_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05153203

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