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Triethylamine → 1-Cyclopropyl-6-fluoro-7-(3-amino-3-methyl-1-azetidinyl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid

HRID 275349
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HRID 275349 반응식
[CH:1]1([N:4]2[C:13]3[C:8](=[CH:9][C:10]([F:15])=[C:11](Cl)[N:12]=3)[C:7](=[O:16])[C:6]([C:17]([OH:19])=[O:18])=[CH:5]2)[CH2:3][CH2:2]1.Cl.[CH3:21][C:22]1([NH2:26])[CH2:25][NH:24][CH2:23]1.C(N(CC)CC)C>N1C=CC=CC=1>[CH:1]1([N:4]2[C:13]3[C:8](=[CH:9][C:10]([F:15])=[C:11]([N:24]4[CH2:25][C:22]([NH2:26])([CH3:21])[CH2:23]4)[N:12]=3)[C:7](=[O:16])[C:6]([C:17]([OH:19])=[O:18])=[CH:5]2)[CH2:3][CH2:2]1
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참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 110551427-Chloro-1-cyclopropyl-6-fluoro-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylic acidHCID 200879103-Methyl-3-aminoazetidine hydrochloride

생성물 1

HCID 100653281-Cyclopropyl-6-fluoro-7-(3-amino-3-methyl-1-azetidinyl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid수율 86.9%

시약·촉매·용매 1

HCID 1049
Pyridine
용매

실험 절차

A mixture of 0.5 g (1.8 mmol) of 1-cyclopropyl-6-fluoro-7-chloro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid, 0.34 g (2.1 mmol) of 3-methyl-3-aminoazetidine hydrochloride and 0.5 ml of triethylamine in 10 ml of pyridine is heated to reflux for 3 hours. The mixture is allowed to cool and is filtered and the product is washed with water. 0.52 g of 1-cyclopropyl-6-fluoro-7-(3-amino-3-methyl-1-azetidinyl)-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid, melting point 285°-7° C., is thereby obtained.

후처리

  1. temperatureis heated
  2. temperatureto reflux for 3 hours
  3. temperatureto cool
  4. filtrationis filtered
  5. washthe product is washed with water

출처 및 근거

ORD 기록
ord-8697a29d94d84550a0bca13a636b2017
출처 데이터셋
uspto-grants-1995_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05393758

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