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Semicarbazide hydrochloride → [(E)-[2-fluoro-4-[5-[(4S)-4-(5-fluoro-2-pyridinyl)-2-oxo-1,3-oxazolidin-3-yl]pyrazolo[1,5-a]pyrimidin-3-yl]phenyl]methylideneamino]urea

HRID 539133
ノート
印刷プレビュー

反応式

HRID 539133 の反応式
[F:1][C:2]1[CH:9]=[C:8]([C:10]2[CH:11]=[N:12][N:13]3[CH:18]=[CH:17][C:16]([N:19]4[C@@H:23]([C:24]5[CH:29]=[CH:28][C:27]([F:30])=[CH:26][N:25]=5)[CH2:22][O:21][C:20]4=[O:31])=[N:15][C:14]=23)[CH:7]=[CH:6][C:3]=1[CH:4]=O.C([O-])(=O)C.[K+].Cl.[NH:38]([C:40]([NH2:42])=[O:41])[NH2:39]>CCO.CO>[F:1][C:2]1[CH:9]=[C:8]([C:10]2[CH:11]=[N:12][N:13]3[CH:18]=[CH:17][C:16]([N:19]4[C@@H:23]([C:24]5[CH:29]=[CH:28][C:27]([F:30])=[CH:26][N:25]=5)[CH2:22][O:21][C:20]4=[O:31])=[N:15][C:14]=23)[CH:7]=[CH:6][C:3]=1/[CH:4]=[N:39]/[NH:38][C:40]([NH2:42])=[O:41]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 11236Semicarbazide hydrochlorideHCID 517044Potassium AcetateHCID 86667831(S)-2-fluoro-4-(5-(4-(5-fluoropyridin-2-yl)-2-oxooxazolidin-3-yl)pyrazolo[1,5-a]pyrimidin-3-yl)benzaldehyde

生成物 1

HCID 87243681[(E)-[2-fluoro-4-[5-[(4S)-4-(5-fluoro-2-pyridinyl)-2-oxo-1,3-oxazolidin-3-yl]pyrazolo[1,5-a]pyrimidin-3-yl]phenyl]methylideneamino]urea収率 39%

試薬・触媒・溶媒 1

HCID 18681192
Ethanol, mixt. with methanol
溶媒

実験手順

A solution of (S)-2-fluoro-4-(5-(4-(5-fluoropyridin-2-yl)-2-oxooxazolidin-3-yl)pyrazolo[1,5-a]pyrimidin-3-yl)b enzaldehyde (0.370 g, 0.878 mmol), potassium acetate (0.0948 g, 0.966 mmol) and hydrazinecarboxamide hydrochloride (0.108 g, 0.966 mmol) in 3:1 EtOH/MeOH (6 mL) was stirred at ambient temperature overnight. The solvents were evaporated under vacuum. The residue was purified by preparative TLC (10% MeOH in DCM) to give (S,E)-2-(2-fluoro-4-(5-(4-(5-fluoropyridin-2-yl)-2-oxooxazolidin-3-yl)pyrazolo[1,5-a]pyrimidin-3-yl)benzylidene)hydrazinecarboxamide (0.164 g, 39% yield) as a yellow powder.

後処理

  1. customThe solvents were evaporated under vacuum
  2. customThe residue was purified by preparative TLC (10% MeOH in DCM)

出典と根拠

ORDレコード
ord-cb7226a54f524792943222cb7a5f6233
出典データセット
uspto-grants-2014_10
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08865726B2

反応ノート

読み込み中…

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