Sodium Carbonate → 5'-(3-Cyano-5-fluorophenyl)-spiro [cyclopentane-1,3'-[3H]indol]-2'(1'H)-one

HRID 276992

反応式

HRID 276992 の反応式
[C:1]([C:3]1[CH:4]=[C:5](Br)[CH:6]=[C:7]([F:9])[CH:8]=1)#[N:2].[NH:11]1[C:19]2[C:14](=[CH:15][CH:16]=[CH:17][CH:18]=2)[C:13]2([CH:23](B(O)O)[CH2:22][CH2:21][CH2:20]2)[C:12]1=[O:27].C(=O)([O-])[O-].[Na+].[Na+].[OH-].[Na+]>COCCOC.O>[C:1]([C:3]1[CH:4]=[C:5]([C:16]2[CH:15]=[C:14]3[C:19](=[CH:18][CH:17]=2)[NH:11][C:12](=[O:27])[C:13]23[CH2:23][CH2:22][CH2:21][CH2:20]2)[CH:6]=[C:7]([F:9])[CH:8]=1)#[N:2]

参加物

7

反応物 4

HCID 10340Sodium CarbonateHCID 14798Sodium HydroxideHCID 27833303-Bromo-5-fluorobenzonitrileHCID 21986244(spiro[cyclopentane-1,3'-[3H]indol]-2'(1'H)-one-5-yl)boronic acid

生成物 1

HCID 219862605'-(3-Cyano-5-fluorophenyl)-spiro [cyclopentane-1,3'-[3H]indol]-2'(1'H)-one収率 44%

試薬・触媒・溶媒 2

HCID 962Water溶媒HCID 80711,2-Dimethoxyethane溶媒

実験手順

A solution of 3-cyano-5-fluoro-bromobenzene (0.5 g, 2.6 mmol), and tetrakis (triphenylphosphine)palladium(0) (0.2 g) in ethylene glycol dimethyl ether (20 cm3) was stirred under N2 for 20 minutes. To this mixture was then (spiro[cyclopentane-1,3′-[3H]indol]-2′(1′H)-one-5-yl) boronic acid (0.9 g, 3.9 mmol) and sodium carbonate (0.8 g, 7.8 mmol) in water (5 cm3). The solution was brought to reflux for 18 hours and then cooled to room temperature, poured into 2N NaOH and extracted with EtOAc (×3). The combined extracts were washed with water, brine, dried (MgSO4), and evaporated. The residue was purified by column chromatography (SiO2, EtOAc, hexane) to afford the subtitled compound (0.35 g, 44%) as white needles. mp: 235-237° C.; 1H NMR (DMSO-d6) δ 10.5 (s, 1H), 8.1 (s, 1H), 8.0 (dt, 1H, J=1.7, 2.0, 7.0 Hz), 7.8-7.7 (m, 2H), 7.6 (dd, 1H, J=1.8, 6.4 Hz), 6.9 (d, 1H, J=8.1 Hz), 2.0-1.9 (m, 8H); MS (EI) M+ @ m/z 306.

後処理

  1. temperatureto reflux for 18 hours
  2. extractionextracted with EtOAc (×3)
  3. washThe combined extracts were washed with water, brine
  4. dry with materialdried (MgSO4)
  5. customevaporated
  6. customThe residue was purified by column chromatography (SiO2, EtOAc, hexane)

出典と根拠

ORDレコード
ord-75c8a80372194dd09566a1ff442a296e
出典データセット
uspto-grants-2002_03
特許番号
US06355648B1

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