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Sodium methanesulfinate → 10-Chloro-7-(1-ethylpropyl)-1-[3-methyl-5-(methylsulfonyl)pyridin-2-yl]-2,3,4,5-tetrahydro-1H-[1,3]diazepino[1,2-a]benzimidazole

HRID 1628875
ノート
印刷プレビュー

反応式

HRID 1628875 の反応式
Br[C:2]1[CH:3]=[C:4]([CH3:28])[C:5]([N:8]2[C:14]3=[N:15][C:16]4[C:21]([Cl:22])=[CH:20][CH:19]=[C:18]([CH:23]([CH2:26][CH3:27])[CH2:24][CH3:25])[C:17]=4[N:13]3[CH2:12][CH2:11][CH2:10][CH2:9]2)=[N:6][CH:7]=1.[CH3:29][S:30]([O-:32])=[O:31].[Na+]>CN1CCCC1=O.C(OCC)(=O)C.[Cu]I>[Cl:22][C:21]1[C:16]2[N:15]=[C:14]3[N:8]([C:5]4[C:4]([CH3:28])=[CH:3][C:2]([S:30]([CH3:29])(=[O:32])=[O:31])=[CH:7][N:6]=4)[CH2:9][CH2:10][CH2:11][CH2:12][N:13]3[C:17]=2[C:18]([CH:23]([CH2:26][CH3:27])[CH2:24][CH3:25])=[CH:19][CH:20]=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 2

HCID 2733271Sodium methanesulfinateHCID 577864001-(5-bromo-3-methylpyridin-2-yl)-10-chloro-7-(1-ethylpropyl)-2,3,4,5-tetrahydro-1H-[1,3]diazepino[1,2-a]benzimidazole

生成物 1

HCID 5778610110-Chloro-7-(1-ethylpropyl)-1-[3-methyl-5-(methylsulfonyl)pyridin-2-yl]-2,3,4,5-tetrahydro-1H-[1,3]diazepino[1,2-a]benzimidazole収率 36.2%

試薬・触媒・溶媒 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)
触媒
HCID 8857Ethyl Acetate溶媒
HCID 13387N-methyl-2-pyrrolidone溶媒

反応条件

温度
180 °C

実験手順

A mixture of 1-(5-bromo-3-methylpyridin-2-yl)-10-chloro-7-(1-ethylpropyl)-2,3,4,5-tetrahydro-1H-[1,3]diazepino[1,2-a]benzimidazole (463 mg, 0.216 mmol), sodium methanesulfinate (66 mg, 0.648 mmol) and copper(I) iodide (123 mg, 0.648 mmol) in 1-methyl-2-pyrrolidinone (1.0 mL) was heated under microwave irradiation at 180° C. for 1 hr. After cooling, the mixture was diluted with ethyl acetate, filtered through a pad of celite, washed with water and brine, dried over anhydrous sodium sulfate and concentrated in vacuo. The residue was purified by flash chromatography on silica gel eluting with a 10-50% ethyl acetate/n-hexane gradient mixture followed by recrystallization from ethyl acetate/n-hexane to afford the title compound (36 mg, 36%) as a colorless solid.

後処理

  1. temperatureAfter cooling
  2. filtrationfiltered through a pad of celite
  3. washwashed with water and brine
  4. dry with materialdried over anhydrous sodium sulfate
  5. concentrationconcentrated in vacuo
  6. customThe residue was purified by flash chromatography on silica gel eluting with a 10-50% ethyl acetate/n-hexane gradient mixture
  7. customfollowed by recrystallization from ethyl acetate/n-hexane

出典と根拠

ORDレコード
ord-524cd8ba138a48c2a711c8605cf3a843
出典データセット
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08785460B2

反応ノート

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このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート