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Potassium Carbonate → Ethyl 1-cyclopropyl-6,7-difluoro-8-methyl-5-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylate

HRID 1078276
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HRID 1078276 반응식
[CH:1]1([NH:4][CH:5]=[C:6]([C:12](=[O:26])[C:13]2[C:18]([N+:19]([O-:21])=[O:20])=[C:17]([F:22])[C:16]([F:23])=[C:15]([CH3:24])[C:14]=2F)[C:7]([O:9][CH2:10][CH3:11])=[O:8])[CH2:3][CH2:2]1.C(=O)([O-])[O-].[K+].[K+]>O1CCCC1.C1OCCOCCOCCOCCOCCOC1>[CH:1]1([N:4]2[C:14]3[C:13](=[C:18]([N+:19]([O-:21])=[O:20])[C:17]([F:22])=[C:16]([F:23])[C:15]=3[CH3:24])[C:12](=[O:26])[C:6]([C:7]([O:9][CH2:10][CH3:11])=[O:8])=[CH:5]2)[CH2:3][CH2:2]1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 2

HCID 11430Potassium CarbonateHCID 178471886HCID 178471886, 화합물

생성물 1

HCID 10736705Ethyl 1-cyclopropyl-6,7-difluoro-8-methyl-5-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylate수율 90.5%

시약·촉매·용매 2

HCID 2855718-Crown-6촉매HCID 8028Tetrahydrofuran용매

실험 절차

To a solution of 10.0 g of ethyl 3-cyclopropylamino-2-(2,4,5-trifluoro-3-methyl-6-nitrobenzoyl)acrylate and 0.1 g of 18-crown-6-ether in 100 ml of tetrahydrofuran, 8.04 g of potassium carbonate was added, and then the mixture was stirred at room temperature for 23 hours. The deposited crystals were collected by filtration and washed with tetrahydrofuran, water and acetone to give 8.56 g of the desired compound. Recrystallization from N,N-dimethylformamide gave colorless needles, which were identified as the compound of Example 5.

후처리

  1. filtrationThe deposited crystals were collected by filtration
  2. washwashed with tetrahydrofuran, water and acetone

출처 및 근거

ORD 기록
ord-8209374f09dd42d088033ae6ba1fab9f
출처 데이터셋
uspto-grants-1996_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05547962

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