(R)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)prop-1-ene-2-sulfonyl chloride → (R)-N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)prop-1-ene-2-sulfonamide

HRID 335645ノート

反応式

HRID 335645 の反応式
[CH3:1][C:2]1([CH3:14])[O:6][C@H:5]([CH2:7][C:8]([S:10](Cl)(=[O:12])=[O:11])=[CH2:9])[CH2:4][O:3]1.[F:15][C:16]1[C:21]([F:22])=[C:20]([NH:23][C:24]2[CH:29]=[CH:28][C:27]([I:30])=[CH:26][C:25]=2[F:31])[C:19]([NH2:32])=[C:18]([O:33][CH3:34])[CH:17]=1>N1C=CC=CC=1>[F:22][C:21]1[C:20]([NH:23][C:24]2[CH:29]=[CH:28][C:27]([I:30])=[CH:26][C:25]=2[F:31])=[C:19]([NH:32][S:10]([C:8]([CH2:7][C@@H:5]2[CH2:4][O:3][C:2]([CH3:14])([CH3:1])[O:6]2)=[CH2:9])(=[O:12])=[O:11])[C:18]([O:33][CH3:34])=[CH:17][C:16]=1[F:15]

参加物

4

反応物 2

HCID 50914395(R)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)prop-1-ene-2-sulfonyl chlorideHCID 532609665,6-difluoro-N1-(2-fluoro-4-iodophenyl)-3-methoxybenzene-1,2-diamine

生成物 1

HCID 86667893(R)-N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)prop-1-ene-2-sulfonamide収率 17%

試薬・触媒・溶媒 1

HCID 1049Pyridine溶媒

反応条件

温度
100 °C

実験手順

(R)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)prop-1-ene-2-sulfonyl chloride from STEP C was dissolved in pyridine (12 mL) and 5,6-difluoro-N1-(2-fluoro-4-iodophenyl)-3-methoxybenzene-1,2-diamine (2.56 g, 6.5 mmol) added. The solution was stirred at 100° C. for 2 hours and then partitioned with water and ethyl acetate. The organic layer was washed with brine, dried (MgSO4), concentrated under reduced pressure and purified by flash column chromatography on silica (30% ethyl acetate/hexanes eluant) to afford (R)—N-(3,4-difluoro-2-(2-fluoro-4-iodophenylamino)-6-methoxyphenyl)-3-(2,2-dimethyl-1,3-dioxolan-4-yl)prop-1-ene-2-sulfonamide (651 mg, 17%).

後処理

  1. custompartitioned with water and ethyl acetate
  2. washThe organic layer was washed with brine
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated under reduced pressure
  5. custompurified by flash column chromatography on silica (30% ethyl acetate/hexanes eluant)

出典と根拠

ORDレコード
ord-aea1135128324dedba9006101b2bf7a3
出典データセット
uspto-grants-2014_11
特許番号
US08884058B2

反応ノート

読み込み中…