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Hydrochloric Acid → 8-(3,3-Dimethylpiperidin-1-yl)-9-fluoro-4-methyl-1-oxo-1,4-dihydrobenzo[f][1,7]naphthyridine-2-carboxylic acid

HRID 413053
ノート
印刷プレビュー

反応式

HRID 413053 の反応式
[OH-].[K+].[CH3:3][C:4]1([CH3:32])[CH2:9][CH2:8][CH2:7][N:6]([C:10]2[C:30]([F:31])=[CH:29][C:13]3[C:14]4[C:15](=[O:28])[C:16]([C:23]([O:25]CC)=[O:24])=[CH:17][N:18]([CH3:22])[C:19]=4[CH:20]=[N:21][C:12]=3[CH:11]=2)[CH2:5]1.Cl>C(O)C.O>[CH3:3][C:4]1([CH3:32])[CH2:9][CH2:8][CH2:7][N:6]([C:10]2[C:30]([F:31])=[CH:29][C:13]3[C:14]4[C:15](=[O:28])[C:16]([C:23]([OH:25])=[O:24])=[CH:17][N:18]([CH3:22])[C:19]=4[CH:20]=[N:21][C:12]=3[CH:11]=2)[CH2:5]1
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 313Hydrochloric AcidHCID 14797Potassium HydroxideHCID 18523238Ethyl 8-(3,3-dimethylpiperidin-1-yl)-9-fluoro-4-methyl-1-oxo-1,4-dihydrobenzo[f][1,7]naphthyridine-2-carboxylate

生成物 1

HCID 185233368-(3,3-Dimethylpiperidin-1-yl)-9-fluoro-4-methyl-1-oxo-1,4-dihydrobenzo[f][1,7]naphthyridine-2-carboxylic acid収率 81.6%

試薬・触媒・溶媒 2

HCID 702
Ethanol
溶媒
HCID 962Water溶媒

反応条件

温度
100 °C

実験手順

1.4 cm3 of 1 N aqueous potassium hydroxide was added, with stirring, to a suspension of 0.5 g of ethyl 8-(3,3-dimethylpiperidin-1-yl)-9-fluoro-4-methyl-1-oxo-1,4-dihydrobenzo[f][1,7]naphthyridine-2-carboxylate in 15 cm3 of ethanol and 15 cm3 of water. The mixture was heated at about 100° C. for one hour. The suspension obtained was acidified by addition of 1.4 cm3 of 1 N aqueous hydrochloric acid. After cooling, the precipitate was dewatered, washed three times with 10 cm3 of water, three times with 10 cm3 of ethanol, and three times with 10 cm3 of ether. The solid was dried at about 80° C. at 1 kPa for 4 hours. 0.38 g of 8-(3,3-dimethylpiperidin-1-yl)-9-fluoro-4-methyl-1-oxo-1,4-dihydrobenzo[f][1,7]naphthyridine-2-carboxylic acid was obtained in the form of a yellow solid, which melted with decomposition at about 286-7° C.

後処理

  1. customThe suspension obtained
  2. temperatureAfter cooling
  3. washwashed three times with 10 cm3 of water, three times with 10 cm3 of ethanol, and three times with 10 cm3 of ether
  4. customThe solid was dried at about 80° C. at 1 kPa for 4 hours

出典と根拠

ORDレコード
ord-de6694b2b6444410a3428f71c4c27320
出典データセット
uspto-grants-2003_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06566362B2

反応ノート

読み込み中…

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