Sodium hydride → 7-(1-t-Butoxycarbonyl-3-pyrrolidinyloxy)-1-cyclopropyl-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid

HRID 465389ノート

反応式

HRID 465389 の反応式
[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][CH:10]([O:13][C:14]2[C:23](F)=[C:22]3[C:17]([C:18](=[O:31])[C:19]([C:28]([OH:30])=[O:29])=[CH:20][N:21]3[CH:25]3[CH2:27][CH2:26]3)=[CH:16][C:15]=2[F:32])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[H-].[Na+].[CH3:35][O-:36].[Na+]>CN(C=O)C.C(Cl)(Cl)Cl>[C:1]([O:5][C:6]([N:8]1[CH2:12][CH2:11][CH:10]([O:13][C:14]2[C:23]([O:36][CH3:35])=[C:22]3[C:17]([C:18](=[O:31])[C:19]([C:28]([OH:30])=[O:29])=[CH:20][N:21]3[CH:25]3[CH2:27][CH2:26]3)=[CH:16][C:15]=2[F:32])[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]

参加物

6

反応物 3

HCID 24758Sodium hydrideHCID 10942334Sodium MethoxideHCID 150215827-(1-t-Butoxycarbonyl-3-pyrrolidinyloxy)-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid

生成物 1

HCID 150215837-(1-t-Butoxycarbonyl-3-pyrrolidinyloxy)-1-cyclopropyl-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid

試薬・触媒・溶媒 2

HCID 6212Chloroform溶媒HCID 6228Dimethylformamide溶媒

実験手順

7-(1-t-Butoxycarbonyl-3-pyrrolidinyloxy)-1-cyclopropyl-6,8-difluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid (300 mg) was dissolved in 3 ml of DMF, followed by the addition of 32 mg of 55% sodium hydride under ice cooling. After the resultant mixture was stirred for 10 minutes, 72 mg of sodium methoxide was added. The mixture thus obtained was stirred further for 18 hours at room temperature. The reaction mixture was diluted with chloroform and then washed successively with 10% aq. citric acid solution and saturated saline. The organic layer was dried over anhydrous sodium sulfate and then concentrated to dryness, whereby 7-(1-t-butoxycarbonyl-3-pyrrolidinyloxy)-1-cyclopropyl-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylic acid was obtained. It was used directly in the reaction of the next step without further purification.

後処理

  1. customThe mixture thus obtained
  2. washwashed successively with 10% aq. citric acid solution and saturated saline
  3. dry with materialThe organic layer was dried over anhydrous sodium sulfate
  4. concentrationconcentrated to dryness

出典と根拠

ORDレコード
ord-515b7b8d9ff44c88a1ad5573d76f6c1a
出典データセット
uspto-grants-1992_10
特許番号
US05153203

反応ノート

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