Sodium Carbonate → 4-(1H-Indol-6-YL)benzoic acid

HRID 1785744ノート

反応式

HRID 1785744 の反応式
Br[C:2]1[CH:10]=[C:9]2[C:5]([CH:6]=[CH:7][NH:8]2)=[CH:4][CH:3]=1.OB(O)[C:13]1[CH:21]=[CH:20][C:16]([C:17]([OH:19])=[O:18])=[CH:15][CH:14]=1.C([O-])([O-])=O.[Na+].[Na+]>C(O)C.CN(C=O)C>[NH:8]1[C:9]2[C:5](=[CH:4][CH:3]=[C:2]([C:13]3[CH:21]=[CH:20][C:16]([C:17]([OH:19])=[O:18])=[CH:15][CH:14]=3)[CH:10]=2)[CH:6]=[CH:7]1

参加物

6

反応物 3

HCID 10340Sodium CarbonateHCID 3121834-Carboxyphenylboronic AcidHCID 6764936-Bromoindole

生成物 1

HCID 227303814-(1H-Indol-6-YL)benzoic acid

試薬・触媒・溶媒 2

HCID 702Ethanol溶媒HCID 6228Dimethylformamide溶媒

反応条件

温度
100 °C

実験手順

A mixture of 6-bromoindole (480 mg, 2.45 mmol), 4-(dihydroxyboryl)benzoic acid (406 mg, 2.45 mmol), Pd(dppf)Cl2CH2Cl2 (10 mg, 0.01 mmol), and 2M Na2CO3 (5.6 mL, 11.2 mmol) in a mixture of ethanol (4 mL) and DMF (7 mL) was heated to 100° C., stirred for 16 hours, filtered, and concentrated The concentrate was dissolved in ethyl acetate, washed sequentially with 1M H3PO4, water, and brine, dried (MgSO4), filtered, and concentrated. The concentrate was purified by flash column chromatography on silica gel with 5% methanol/dichloromethane to provide the desired product. MS (ESI(−)) m/e 236 (M−H)−.

後処理

  1. filtrationfiltered
  2. concentrationconcentrated The concentrate
  3. dissolutionwas dissolved in ethyl acetate
  4. washwashed sequentially with 1M H3PO4, water, and brine
  5. dry with materialdried (MgSO4)
  6. filtrationfiltered
  7. concentrationconcentrated
  8. customThe concentrate was purified by flash column chromatography on silica gel with 5% methanol/dichloromethane

出典と根拠

ORDレコード
ord-564003229d9d4c2b99027e9f3ba45c3d
出典データセット
uspto-grants-2009_03
特許番号
US07504512B2

反応ノート

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