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Water → 3-[((2R)-2-Methyl-4-{[4-(trifluoromethyl)phenyl]sulfonyl}-1-piperazinyl)carbonyl]pyrazolo[1,5-a]pyrimidine

HRID 418301
ノート
印刷プレビュー

反応式

HRID 418301 の反応式
[CH3:1][C@H:2]1[NH:7][CH2:6][CH2:5][N:4]([S:8]([C:11]2[CH:16]=[CH:15][C:14]([C:17]([F:20])([F:19])[F:18])=[CH:13][CH:12]=2)(=[O:10])=[O:9])[CH2:3]1.[N:21]1[N:25]2[CH:26]=[CH:27][CH:28]=[N:29][C:24]2=[C:23]([C:30](O)=[O:31])[CH:22]=1.C1C=CC2N(O)N=NC=2C=1.O.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>CN(C=O)C>[CH3:1][C@@H:2]1[CH2:3][N:4]([S:8]([C:11]2[CH:12]=[CH:13][C:14]([C:17]([F:20])([F:18])[F:19])=[CH:15][CH:16]=2)(=[O:9])=[O:10])[CH2:5][CH2:6][N:7]1[C:30]([C:23]1[CH:22]=[N:21][N:25]2[CH:26]=[CH:27][CH:28]=[N:29][C:24]=12)=[O:31]
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 6

HCID 962WaterHCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 1910189Pyrazolo[1,5-a]pyrimidine-3-carboxylic acidHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 59152114(3R)-3-Methyl-1-{[4-(trifluoromethyl)phenyl]sulfonyl}piperazine

生成物 1

HCID 591520823-[((2R)-2-Methyl-4-{[4-(trifluoromethyl)phenyl]sulfonyl}-1-piperazinyl)carbonyl]pyrazolo[1,5-a]pyrimidine収率 85.1%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

To a solution of (3R)-3-methyl-1-{[4-(trifluoromethyl)phenyl]sulfonyl}piperazine (may be prepared as described in Description 10) (80.0 mg, 0.259 mmol) in DMF (4 ml) was added pyrazolo[1,5-a]pyrimidine-3-carboxylic acid (42.3 mg, 0.259 mmol), HOBT.H2O (39.7 mg, 0.259 mmol), HBTU (98 mg, 0.259 mmol) and DIPEA (0.136 ml, 0.778 mmol) and the reaction mixture was stirred at rt for 1.5 hours. The DMF was evaporated in vacuo then DCM (5 ml) was added and the whole washed with saturated aq. NaHCO3 solution (5 ml), dried on a phase separation cartridge and evaporated in vacuo. The crude material was dissolved in MeCN/DMSO 1:1 and purified by MDAP to give the title compound (100 mg).

後処理

  1. customThe DMF was evaporated in vacuo
  2. additionDCM (5 ml) was added
  3. washthe whole washed with saturated aq. NaHCO3 solution (5 ml)
  4. customdried on a phase separation cartridge
  5. customevaporated in vacuo
  6. dissolutionThe crude material was dissolved in MeCN/DMSO 1:1
  7. custompurified by MDAP

出典と根拠

ORDレコード
ord-3ae772d66956482295c6ee92b36f41cf
出典データセット
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08093249B2

反応ノート

読み込み中…

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