Iodine chloride → 3-Iodo-7-(trifluoromethyl)-5-(4-(trifluoromethyl)phenyl)pyrazolo[1,5-a]pyrimidine

HRID 268981ノート

反応式

HRID 268981 の反応式
[F:1][C:2]([F:23])([F:22])[C:3]1[N:8]2[N:9]=[CH:10][CH:11]=[C:7]2[N:6]=[C:5]([C:12]2[CH:17]=[CH:16][C:15]([C:18]([F:21])([F:20])[F:19])=[CH:14][CH:13]=2)[CH:4]=1.CC([O-])=O.[Na+].[I:29]Cl>C(O)(=O)C.O>[I:29][C:11]1[CH:10]=[N:9][N:8]2[C:3]([C:2]([F:1])([F:22])[F:23])=[CH:4][C:5]([C:12]3[CH:13]=[CH:14][C:15]([C:18]([F:21])([F:20])[F:19])=[CH:16][CH:17]=3)=[N:6][C:7]=12

参加物

6

実験手順

To a stirred solution of 7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (21.60 g, 65 mmol) in acetic acid (130 mL) containing anhydrous NaOAc (6.045 g, 74 mmol), was slowly added iodine monochloride (19.65 mL, 3.75M in HOAc). The reaction mixture was stirred at rt overnight. The suspension was diluted with water, the yellow crystalline filtrated, washed with water and dried in vacuum overnight to give 3-iodo-7-trifluoromethyl-5-(4-trifluoromethyl-phenyl)-pyrazolo[1,5-a]pyrimidine (31.1 g, 100%) as yellow crystalline solid. MS (ISP) 458.2 [(M+H)+].

後処理

  1. washthe yellow crystalline filtrated, washed with water
  2. customdried in vacuum overnight

出典と根拠

ORDレコード
ord-6c1c7781e25344cfbc93162b1dffb6e7
出典データセット
uspto-grants-2008_11
特許番号
US07446113B2

反応ノート

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