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1,4-Dioxane → methyl 4-(1-(4-(perfluoroethoxy)phenyl)-1H-1,2,4-triazol-3-yl)benzoate

HRID 2207008
ノート
印刷プレビュー

反応式

HRID 2207008 の反応式
CC1(C)C(C)(C)OB([C:9]2[CH:18]=[CH:17][C:12]([C:13]([O:15][CH3:16])=[O:14])=[CH:11][CH:10]=2)O1.Br[C:21]1[N:25]=[CH:24][N:23]([C:26]2[CH:31]=[CH:30][C:29]([O:32][C:33]([F:39])([F:38])[C:34]([F:37])([F:36])[F:35])=[CH:28][CH:27]=2)[N:22]=1.C([O-])(O)=O.[Na+].O1CCOCC1>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.O>[F:39][C:33]([F:38])([O:32][C:29]1[CH:30]=[CH:31][C:26]([N:23]2[CH:24]=[N:25][C:21]([C:9]3[CH:10]=[CH:11][C:12]([C:13]([O:15][CH3:16])=[O:14])=[CH:17][CH:18]=3)=[N:22]2)=[CH:27][CH:28]=1)[C:34]([F:37])([F:36])[F:35]
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

7

反応物 4

HCID 312751,4-DioxaneHCID 516892Sodium BicarbonateHCID 2773500Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoateHCID 893818873-bromo-1-(4-(perfluoroethoxy)phenyl)-1H-1,2,4-triazole

生成物 1

HCID 90402708methyl 4-(1-(4-(perfluoroethoxy)phenyl)-1H-1,2,4-triazol-3-yl)benzoate収率 63.2%

試薬・触媒・溶媒 2

HCID 178418397HCID 178418397、化合物触媒
HCID 962Water溶媒

反応条件

温度
140 °C

実験手順

A microwave vial was charged with methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzoate (147 mg, 0.561 mmol), 3-bromo-1-(4-(pentafluoroethoxy)phenyl)-1H-1,2,4-triazole (200 mg, 0.559 mmol), NaHCO3 (94 mg, 1.2 mmol), and Pd(PPh3)4 (39 mg, 0.034 mmol). Dioxane (3.8 mL) and water (1.2 mL) were added, the reaction vial was capped, and the reaction was heated at 140° C. for 30 min in a Biotage Initiator® microwave reactor with external IR-sensor temperature monitoring from the side of the vessel. The reaction mixture was cooled to RT, and allowed to stand overnight. A white solid formed, which was filtered and air-dried to give the title compound as a white solid (146 mg, 62%): mp 192-195° C., 1H NMR (400 MHz, CDCl3) δ 8.61 (s, 1H), 8.28 (d, J=9.0 Hz, 2H), 8.19-8.12 (d, J=9.0 Hz, 2H), 7.82 (d, J=9.0 Hz, 2H), 7.45-7.38 (m, 2H), 3.95 (s, 3H); 19F NMR (376 MHz, CDCl3) δ −85.90, −87.86; ESIMS m/z 414 ([M+H])+.

後処理

  1. customthe reaction vial was capped
  2. temperatureThe reaction mixture was cooled to RT
  3. customA white solid formed
  4. filtrationwhich was filtered
  5. customair-dried

出典と根拠

ORDレコード
ord-4be3843e013c45bf952a81bebc16a1da
出典データセット
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09376401B2

反応ノート

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