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Water → 5-bromo-N-methyl-6-(N-methylmethylsulfonamido)-2-(6-(trifluoromethyl)pyridin-3-yl)benzofuran-3-carboxamide

HRID 595642
ノート
印刷プレビュー

反応式

HRID 595642 の反応式
[Br:1][C:2]1[C:3]([N:16]([CH3:21])[S:17]([CH3:20])(=[O:19])=[O:18])=[CH:4][C:5]2[O:9][C:8](I)=[C:7]([C:11]([NH:13][CH3:14])=[O:12])[C:6]=2[CH:15]=1.[F:22][C:23]([F:34])([F:33])[C:24]1[N:29]=[CH:28][C:27](B(O)O)=[CH:26][CH:25]=1.C([O-])([O-])=O.[Na+].[Na+].O>O1CCOCC1.O.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2]>[Br:1][C:2]1[C:3]([N:16]([CH3:21])[S:17]([CH3:20])(=[O:19])=[O:18])=[CH:4][C:5]2[O:9][C:8]([C:27]3[CH:28]=[N:29][C:24]([C:23]([F:34])([F:33])[F:22])=[CH:25][CH:26]=3)=[C:7]([C:11]([NH:13][CH3:14])=[O:12])[C:6]=2[CH:15]=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

7

反応物 4

HCID 962WaterHCID 10340Sodium CarbonateHCID 251342782-(Trifluoromethyl)pyridine-5-boronic AcidHCID 903324695-bromo-2-iodo-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide

生成物 1

HCID 903324615-bromo-N-methyl-6-(N-methylmethylsulfonamido)-2-(6-(trifluoromethyl)pyridin-3-yl)benzofuran-3-carboxamide収率 90%

試薬・触媒・溶媒

2
HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)触媒HCID 218864351,4-Dioxane--water (1/1)溶媒

反応条件

温度
80 °C

実験手順

A mixture of 5-bromo-2-iodo-N-methyl-6-(N-methylmethylsulfonamido)benzofuran-3-carboxamide (1.5 g, 3.1 mmol), (6-(trifluoromethyl)pyridin-3-yl)boronic acid (705 mg, 3.7 mmol), Pd(dppf)Cl2 (245 mg, 0.3 mmol) and Na2CO3 (985 mg, 9.3 mmol) in dioxane/H2O (20 mL/4 mL) was stirred at 80° C. for 6 h. Water was added and the mixture was extracted with EtOAc. The organic phase was dried over Na2SO4 and concentrated in vacuum. The residue was purified by column chromatography (PE:EA=1:1) to give the product of 5-bromo-N-methyl-6-(N-methylmethylsulfonamido)-2-(6-(trifluoromethyl)pyridin-3-yl)benzofuran-3-carboxamide (1.4 g, yield: 90%). 1H-NMR (DMSO-d6, 400 MHz) δ 9.24 (s, 1H), 8.65 (d, J=4.4 Hz, 1H), 8.56 (d, J=8.0 Hz, 1H), 8.17 (s, 1H), 8.12 (d, J=8.0 Hz, 1H), 8.08 (s, 1H), 3.23 (s, 3H), 3.22 (s, 3H), 2.85 (d, J=4.4 Hz, 3H). MS (M+H)+: 506/508.

後処理

  1. extractionthe mixture was extracted with EtOAc
  2. dry with materialThe organic phase was dried over Na2SO4
  3. concentrationconcentrated in vacuum
  4. customThe residue was purified by column chromatography (PE:EA=1:1)

出典と根拠

ORDレコード
ord-84623478031c4bfb9f4f6bc255473170
出典データセット
uspto-grants-2016_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09243002B2

反応ノート

読み込み中…

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