Ethanol → N-(isobutoxycarbonyl)-N-(3-methoxy-5-methyl-2-pyrazinyl)-4'-methyl-2-biphenylsulphonamide

HRID 343395ノート

反応式

HRID 343395 の反応式
[CH2:1]([O:5][C:6]([N:8]([C:19]1[C:24]([O:25][CH3:26])=[N:23][C:22]([CH3:27])=[CH:21][N:20]=1)[S:9]([C:12]1[CH:17]=[CH:16][CH:15]=[CH:14][C:13]=1I)(=[O:11])=[O:10])=[O:7])[CH:2]([CH3:4])[CH3:3].[C:28]1([CH3:34])[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=1.C(O)C.C(=O)([O-])[O-].[Na+].[Na+]>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>[CH2:1]([O:5][C:6]([N:8]([C:19]1[C:24]([O:25][CH3:26])=[N:23][C:22]([CH3:27])=[CH:21][N:20]=1)[S:9]([C:12]1[C:13]([C:31]2[CH:32]=[CH:33][C:28]([CH3:34])=[CH:29][CH:30]=2)=[CH:14][CH:15]=[CH:16][CH:17]=1)(=[O:11])=[O:10])=[O:7])[CH:2]([CH3:4])[CH3:3]

参加物

7

反応物 4

HCID 702EthanolHCID 1140TolueneHCID 10340Sodium CarbonateHCID 18704832N-(isobutoxycarbonyl)-N-(3-methoxy-5-methyl-2-pyrazinyl)-2-iodobenzenesulphonamide

生成物 1

HCID 18704823N-(isobutoxycarbonyl)-N-(3-methoxy-5-methyl-2-pyrazinyl)-4'-methyl-2-biphenylsulphonamide

試薬・触媒・溶媒 2

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

実験手順

A mixture of N-(isobutoxycarbonyl)-N-(3-methoxy-5-methyl-2-pyrazinyl)-2-iodobenzenesulphonamide (0.252 g) 4-methylbenzeneboronic acid (0.068 g), tetrakis(triphenylphosphine)palladium(0) (0.0115 g), toluene (2.5 ml), ethanol (1.25 ml) and 2M sodium carbonate solution (3.75 ml) was stirred vigorously and heated under reflux for 2 hours under an atmosphere of argon. Water (10 ml) was added and the mixture was extracted with ethyl acetate (2×10 ml). The combined extracts were washed with saturated sodium chloride solution (25 ml) and dried (MgSO4). Volatile material was removed by evaporation and the residue was purified by flash chromatography, eluting with ethyl acetate/hexane (1:4 v/v), to give N-(isobutoxycarbonyl)-N-(3-methoxy-5-methyl-2-pyrazinyl)-4'-methyl-2-biphenylsulphonamide (0.182 g); 1H NMR (DMSO-d6): 0.6 (d,6H), 1.55-1.75 (m,1H), 2.35 (s,3H), 2.5 (s,3H), 3.85 (d,2H), 3.95 (s,3H), 7.15-7.25 (m,4H), 7.35-7.45 (m,1H), 7.7-7.8 (m,2H), 8.15 (s,1H), 8.45-8.55 (m,1H); mass spectrum (+ve FAB, methanol/NBA): 470 (M+H)+.

後処理

  1. temperatureheated
  2. temperatureunder reflux for 2 hours under an atmosphere of argon
  3. extractionthe mixture was extracted with ethyl acetate (2×10 ml)
  4. washThe combined extracts were washed with saturated sodium chloride solution (25 ml)
  5. dry with materialdried (MgSO4)
  6. customVolatile material was removed by evaporation
  7. customthe residue was purified by flash chromatography
  8. washeluting with ethyl acetate/hexane (1:4 v/v)

出典と根拠

ORDレコード
ord-a5c6cecccdf3447298e457977ff59b9b
出典データセット
uspto-grants-1999_01
特許番号
US05861401

反応ノート

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