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Hydrochloric Acid → Ethyl 7-(cyano-ethoxycarbonyl-methyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinoline-carboxylate

HRID 1032015
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인쇄 미리보기

반응식

HRID 1032015 반응식
[CH:1]1([N:4]2[C:13]3[C:8](=[CH:9][C:10]([F:15])=[C:11](F)[CH:12]=3)[C:7](=[O:16])[C:6]([C:17]([O:19][CH2:20][CH3:21])=[O:18])=[CH:5]2)[CH2:3][CH2:2]1.[C:22]([CH2:24][C:25]([O:27][CH2:28][CH3:29])=[O:26])#[N:23].[H-].[Na+].Cl>O.O1CCOCC1>[C:22]([CH:24]([C:25]([O:27][CH2:28][CH3:29])=[O:26])[C:11]1[CH:12]=[C:13]2[C:8]([C:7](=[O:16])[C:6]([C:17]([O:19][CH2:20][CH3:21])=[O:18])=[CH:5][N:4]2[CH:1]2[CH2:3][CH2:2]2)=[CH:9][C:10]=1[F:15])#[N:23]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 313Hydrochloric AcidHCID 7764Ethyl cyanoacetateHCID 24758Sodium hydrideHCID 9817544Ethyl 1-cyclopropyl-6,7-difluoro-4-oxo-1,4-dihydroquinoline-3-carboxylate

생성물 1

HCID 14422910Ethyl 7-(cyano-ethoxycarbonyl-methyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-3-quinoline-carboxylate

시약·촉매·용매 2

HCID 962
Water
용매
HCID 312751,4-Dioxane용매

실험 절차

8.8 g of ethyl 1-cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinoline-carboxylate and 5.1 g of ethyl cyanoacetate are initially introduced into 120 ml of dioxane. 1.74 g of NaH are added in portions. The mixture is then boiled for 3 hours, diluted with water and rendered acidic using HCl. It is extracted using methylene chloride. The organic phase is dried and concentrated. The residue is recrystallized from ethanol.

후처리

  1. extractionIt is extracted
  2. customThe organic phase is dried
  3. concentrationconcentrated
  4. customThe residue is recrystallized from ethanol

출처 및 근거

ORD 기록
ord-d94367b147c9428c820b175f9eb184d7
출처 데이터셋
uspto-grants-1990_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04956465

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