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Sodium Bicarbonate → Ethyl 7-(3-acetylamino-1-pyrrolidinyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylate

HRID 1905924
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인쇄 미리보기

반응식

HRID 1905924 반응식
Cl[C:2]1[N:11]=[C:10]2[C:5]([C:6](=[O:20])[C:7]([C:15]([O:17][CH2:18][CH3:19])=[O:16])=[CH:8][N:9]2[CH:12]2[CH2:14][CH2:13]2)=[CH:4][C:3]=1[F:21].[C:22]([NH:25][CH:26]1[CH2:30][CH2:29][NH:28][CH2:27]1)(=[O:24])[CH3:23].C(=O)(O)[O-].[Na+]>C(#N)C>[C:22]([NH:25][CH:26]1[CH2:30][CH2:29][N:28]([C:2]2[N:11]=[C:10]3[C:5]([C:6](=[O:20])[C:7]([C:15]([O:17][CH2:18][CH3:19])=[O:16])=[CH:8][N:9]3[CH:12]3[CH2:14][CH2:13]3)=[CH:4][C:3]=2[F:21])[CH2:27]1)(=[O:24])[CH3:23]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 516892Sodium BicarbonateHCID 5227153-AcetamidopyrrolidineHCID 11722954Ethyl 7-chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate

생성물 1

HCID 13456047Ethyl 7-(3-acetylamino-1-pyrrolidinyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylate수율 93.4%

시약·촉매·용매 1

HCID 6342
Acetonitrile
용매

실험 절차

A mixture of ethyl 7-chloro-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylate (1.24 g), 3-acetylaminopyrrolidine (563 mg), sodium bicarbonate (437 mg) and acetonitrile (40 ml) was refluxed for 30 minutes. After evaporation to dryness under reduced pressure, water was added to the residue. The resulting crystals were filtered and recrystallized from ethanolisopropyl ether to give ethyl 7-(3-acetylamino-1-pyrrolidinyl)-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylate (1.50 g), m.p. 246°-248° C.

후처리

  1. temperaturewas refluxed for 30 minutes
  2. customAfter evaporation to dryness under reduced pressure, water
  3. additionwas added to the residue
  4. filtrationThe resulting crystals were filtered
  5. customrecrystallized from ethanolisopropyl ether

출처 및 근거

ORD 기록
ord-3a84edf6fccf43d1bf17371d83cc03aa
출처 데이터셋
uspto-grants-1987_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04649144

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