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2,6-Dimethylmorpholine → 6-Chloro-1-cyclopropyl-7-(2,6-dimethylmorpholin-4-yl)-8-fluoro-4-oxo-quinoline-3-carboxylic acid

HRID 129555
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HRID 129555 반응식
[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[C:10]([F:13])[C:11]=1F)[N:8]([CH:14]1[CH2:16][CH2:15]1)[CH:7]=[C:6]([C:17]([OH:19])=[O:18])[C:5]2=[O:20].[CH3:21][CH:22]1[O:27][CH:26]([CH3:28])[CH2:25][NH:24][CH2:23]1.N12CCC(CC1)CN2>CS(C)=O>[Cl:1][C:2]1[CH:3]=[C:4]2[C:9](=[C:10]([F:13])[C:11]=1[N:24]1[CH2:23][CH:22]([CH3:21])[O:27][CH:26]([CH3:28])[CH2:25]1)[N:8]([CH:14]1[CH2:16][CH2:15]1)[CH:7]=[C:6]([C:17]([OH:19])=[O:18])[C:5]2=[O:20]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 1108622,6-DimethylmorpholineHCID 136165Diazabicyclo(2.2.2)octaneHCID 135791636-Chloro-1-cyclopropyl-7,8-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid

생성물 1

HCID 4831066-Chloro-1-cyclopropyl-7-(2,6-dimethylmorpholin-4-yl)-8-fluoro-4-oxo-quinoline-3-carboxylic acid수율 41%

시약·촉매·용매 1

HCID 679Dimethyl Sulfoxide
용매

실험 절차

3 g (10 mmol) of the product from Example A in 35 ml of dimethyl sulphoxide are heated at 140° with 1.2 g (10 mmol) of 2,6-dimethylmorpholine and 2.2 g (20 mmol) of diazabicyclo[2.2.2]octane for 5 hours. The mixture is concentrated under high vacuum, stirred with 30 ml of water, the pH is adjusted to 6 with 2N hydrochloric acid, and the precipitate is filtered off with suction and recrystallized from glycol monomethyl ether. 1.6 g (41% of theory) of 6-chloro-1-cyclopropyl-8-fluoro-1,4-dihydro-7-(2,6-dimethyl-4-morpholinyl)-4-oxo-3-quinolinecarboxylic acid of melting point 258°-261° (with decomposition) is obtained.

후처리

  1. concentrationThe mixture is concentrated under high vacuum
  2. filtrationthe precipitate is filtered off with suction
  3. customrecrystallized from glycol monomethyl ether

출처 및 근거

ORD 기록
ord-422f5174584a4930ae1d2a19049950f0
출처 데이터셋
uspto-grants-1995_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05468861

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