Hydrochloric Acid → N-(3-chloroquinoxalin-2-yl)-3-nitrobenzenesulfonamide

HRID 336797

반응식

HRID 336797 반응식
Cl[C:2]1[C:11]([Cl:12])=[N:10][C:9]2[C:4](=[CH:5][CH:6]=[CH:7][CH:8]=2)[N:3]=1.[N+:13]([C:16]1[CH:17]=[C:18]([S:22]([NH2:25])(=[O:24])=[O:23])[CH:19]=[CH:20][CH:21]=1)([O-:15])=[O:14].C(=O)([O-])[O-].[K+].[K+].Cl>CS(C)=O.O>[Cl:12][C:11]1[C:2]([NH:25][S:22]([C:18]2[CH:19]=[CH:20][CH:21]=[C:16]([N+:13]([O-:15])=[O:14])[CH:17]=2)(=[O:24])=[O:23])=[N:3][C:4]2[C:9]([N:10]=1)=[CH:8][CH:7]=[CH:6][CH:5]=2

참가 물질

7

반응물 4

HCID 313Hydrochloric AcidHCID 11430Potassium CarbonateHCID 166592,3-DichloroquinoxalineHCID 67138Benzenesulfonamide, 3-nitro-

생성물 1

HCID 5007601N-(3-chloroquinoxalin-2-yl)-3-nitrobenzenesulfonamide

시약·촉매·용매 2

HCID 679Dimethyl Sulfoxide용매HCID 962Water용매

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온도
150 °C

실험 절차

2,3-Dichloroquinoxaline (26.1 g, 131.1 mmol), m-Nitrobenzene sulfonamide (26.5 g, 131.1 mmol) and potassium carbonate (18.1 g, 131.1) were dissolved in anhydrous DMSO (500 mL). The reaction was heated to 150° C. for 2 h. The reaction mixture was poured into water (400 mL), followed by addition of 2M HCl (60 mL). The product was extracted with EtOAc (3×500 mL). The organic layers were combined and washed water (2×500 mL) and brine (2×500 mL). The product was then dried with sodium sulfate to give N-(3-chloroquinoxalin-2-yl)-3-nitrobenzenesulfonamide. MS (EI) m/z for C14H9ClN4O4S: 364.94, 366.97 (MH+)

후처리

  1. extractionThe product was extracted with EtOAc (3×500 mL)
  2. washwashed water (2×500 mL) and brine (2×500 mL)
  3. dry with materialThe product was then dried with sodium sulfate

출처 및 근거

ORD 기록
ord-3f417f4790b34ac1b597de3477d23e6f
출처 데이터셋
uspto-grants-2014_11
특허 번호
US08889664B2

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