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Water → tert-Butyl 4-{3-[ethyl(methylsulfonyl)amino]-4-nitrophenyl}-1,4-diazepane-1-carboxylate

HRID 230517
ノート
印刷プレビュー

反応式

HRID 230517 の反応式
[CH2:1]([N:3]([C:8]1[CH:13]=[C:12](F)[CH:11]=[CH:10][C:9]=1[N+:15]([O-:17])=[O:16])[S:4]([CH3:7])(=[O:6])=[O:5])[CH3:2].[N:18]1([C:25]([O:27][C:28]([CH3:31])([CH3:30])[CH3:29])=[O:26])[CH2:24][CH2:23][CH2:22][NH:21][CH2:20][CH2:19]1.C(=O)([O-])[O-].[K+].[K+].O>CS(C)=O>[CH2:1]([N:3]([S:4]([CH3:7])(=[O:6])=[O:5])[C:8]1[CH:13]=[C:12]([N:21]2[CH2:22][CH2:23][CH2:24][N:18]([C:25]([O:27][C:28]([CH3:31])([CH3:30])[CH3:29])=[O:26])[CH2:19][CH2:20]2)[CH:11]=[CH:10][C:9]=1[N+:15]([O-:17])=[O:16])[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 962WaterHCID 11430Potassium CarbonateHCID 2756058Tert-butyl 1,4-diazepane-1-carboxylateHCID 22272466N-ethyl-N-(5-fluoro-2-nitrophenyl)methanesulfonamide

生成物 1

HCID 22272556tert-Butyl 4-{3-[ethyl(methylsulfonyl)amino]-4-nitrophenyl}-1,4-diazepane-1-carboxylate

試薬・触媒・溶媒 1

HCID 679
Dimethyl Sulfoxide
溶媒

実験手順

N-Ethyl-N-(5-fluoro-2-nitrophenyl)methanesulfonamide (3.2 g, 12.2 mmol), tert-butyl 1-homopiperazinecarboxylate (2.5 g) and potassium carbonate (2 g) were heated together in DMSO at 50° C. for 5 hours. The solution was allowed to cool and poured into 500 mL of water. The solid product was collected by filtration, washed with water and dried. The product was purified by flash chromatography (ethyl acetate:petrol 1:1). Yield 2.6 g (48%) 1H NMR (400 MHz, CDCl3) δ 1.16 (t, J=7.33 Hz, 3 H), 1.39 (s, 9 H), 2.0 (br, 2 H), 2.99 (s, 3 H), 3.2 (br, 2 H), 3.54-3.75 (br, 8 H), 6.65 (br d, J=9.3 Hz, 1 H), 6.67 (d, J=2.93 Hz, 1 H), 8.1 (d, J=9.3 Hz, 1 H); MS (ESI+) for C19H30N4O6S m/z 442 (M+).

後処理

  1. temperatureto cool
  2. filtrationThe solid product was collected by filtration
  3. washwashed with water
  4. customdried
  5. customThe product was purified by flash chromatography (ethyl acetate:petrol 1:1)

出典と根拠

ORDレコード
ord-384f4fd355d24922b0bf90830373bf26
出典データセット
uspto-grants-2009_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07566715B2

反応ノート

読み込み中…

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