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Potassium Carbonate → methyl 4-(1-(2,6-difluorophenyl)-4-methoxy-1H-pyrazolo[4,3-c]pyridin-3-yl)thiophene-2-carboxylate

HRID 2206054
ノート
印刷プレビュー

反応式

HRID 2206054 の反応式
FC(F)(F)S(O[C:7]1[C:11]2[C:12]([O:16][CH3:17])=[N:13][CH:14]=[CH:15][C:10]=2[N:9]([C:18]2[C:23]([F:24])=[CH:22][CH:21]=[CH:20][C:19]=2[F:25])[N:8]=1)(=O)=O.CC1(C)C(C)(C)OB([C:36]2[CH:37]=[C:38]([C:41]([O:43][CH3:44])=[O:42])[S:39][CH:40]=2)O1.C(=O)([O-])[O-].[K+].[K+]>CN(C=O)C.O.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>[F:24][C:23]1[CH:22]=[CH:21][CH:20]=[C:19]([F:25])[C:18]=1[N:9]1[C:10]2[CH:15]=[CH:14][N:13]=[C:12]([O:16][CH3:17])[C:11]=2[C:7]([C:36]2[CH:37]=[C:38]([C:41]([O:43][CH3:44])=[O:42])[S:39][CH:40]=2)=[N:8]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

7

反応物 3

HCID 11430Potassium CarbonateHCID 52911233Methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylateHCID 1179878991-(2,6-difluorophenyl)-4-methoxy-1H-pyrazolo[4,3-c]pyridin-3-yl trifluoromethanesulfonate

生成物 1

HCID 117988024methyl 4-(1-(2,6-difluorophenyl)-4-methoxy-1H-pyrazolo[4,3-c]pyridin-3-yl)thiophene-2-carboxylate収率 45.8%

試薬・触媒・溶媒 3

HCID 178418397
HCID 178418397、化合物
触媒
HCID 962Water溶媒2 回
HCID 6228Dimethylformamide溶媒

反応条件

温度
130 °C

実験手順

To a solution of 1-(2,6-difluorophenyl)-4-methoxy-1H-pyrazolo[4,3-c]pyridin-3-yl trifluoromethanesulfonate (100 mg) obtained in Step C of Example 35 in DMF (4 mL)/water (0.40 mL) were added methyl 4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiophene-2-carboxylate (98.3 mg), tetrakis(triphenylphosphine)palladium(0) (28.2 mg) and potassium carbonate (67.5 mg). The reaction mixture was stirred under microwave irradiation at 130° C. for 30 min. The reaction mixture was diluted with water, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate, filtered, and concentrated under reduced pressure. The obtained residue was purified by silica gel column chromatography (hexane/ethyl acetate) to give the title compound (44.9 mg).

後処理

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe organic layer was washed with saturated brine
  3. dry with materialdried over anhydrous magnesium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customThe obtained residue was purified by silica gel column chromatography (hexane/ethyl acetate)

出典と根拠

ORDレコード
ord-c1a7d38c6ea24add99ae6d93622fa3f3
出典データセット
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09371320B2

反応ノート

読み込み中…

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