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Pyridine → 2-[2-(3-chloro-pyridin-2-yl)-5-trifluoromethyl-2H-pyrazol-3-yl]-3-oxa-1,8-diaza-phenanthren-4-one

HRID 245646
ノート
印刷プレビュー

反応式

HRID 245646 の反応式
[NH2:1][C:2]1[CH:11]=[CH:10][C:9]2[N:8]=[CH:7][CH:6]=[CH:5][C:4]=2[C:3]=1[C:12]([OH:14])=[O:13].[Cl:15][C:16]1[C:17]([N:22]2[C:26]([C:27](O)=O)=[CH:25][C:24]([C:30]([F:33])([F:32])[F:31])=[N:23]2)=[N:18][CH:19]=[CH:20][CH:21]=1.N1C=CC=CC=1.CS(Cl)(=O)=O>O1CCCC1>[Cl:15][C:16]1[C:17]([N:22]2[C:26]([C:27]3[O:13][C:12](=[O:14])[C:3]4[C:4]5[C:9](=[N:8][CH:7]=[CH:6][CH:5]=5)[CH:10]=[CH:11][C:2]=4[N:1]=3)=[CH:25][C:24]([C:30]([F:33])([F:31])[F:32])=[N:23]2)=[N:18][CH:19]=[CH:20][CH:21]=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 4

HCID 1049PyridineHCID 31297Methanesulfonyl chlorideHCID 113921841-(3-chloro-2-pyridinyl)-3-(trifluoromethyl)-1H-pyrazole-5-carboxylic acidHCID 205642906-Aminoquinoline-5-carboxylic acid

生成物 1

HCID 579901052-[2-(3-chloro-pyridin-2-yl)-5-trifluoromethyl-2H-pyrazol-3-yl]-3-oxa-1,8-diaza-phenanthren-4-one

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒

反応条件

温度
0 °C

実験手順

To a suspension of 240 mg (1.28 mmol) of 6-amino-quinoline-5-carboxylic acid in 9.60 mL of anhydrous tetrahydrofuran at 10° C., is added 372 mg (1.28 mmol) of 2-(3-chloro-pyridin-2-yl)-5-trifluoromethyl-2H-pyrazole-3-carboxylic acid followed by 5134 (6.38 mmol) of pyridine. Then the suspension is cooled to 0° C. and 398 μL (5.10 mmol) of methanesulfonyl chloride are added dropwise. The mixture is stirred at ambient temperature for 48 hours. Then the solvent is evaporated and the residue is precipitated with a minimum of ethyl acetate and washed with ethyl acetate. After filtration, water is added to the filtrate and the new suspension formed is filtrated again. After drying on high vacuum pump 303 mg (54%) of solid are obtained; LC/MS:444/446 (M+H)+.

後処理

  1. customThen the solvent is evaporated
  2. customthe residue is precipitated with a minimum of ethyl acetate
  3. washwashed with ethyl acetate
  4. filtrationAfter filtration, water
  5. additionis added to the filtrate
  6. customthe new suspension formed
  7. filtrationis filtrated again
  8. dry with materialAfter drying on high vacuum pump 303 mg (54%) of solid
  9. customare obtained

出典と根拠

ORDレコード
ord-ece83cf75b9348218d3a32a75c2a55d7
出典データセット
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08658801B2

反応ノート

読み込み中…

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