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(1-Bromoethyl)benzene → 6-Bromo-2-(1-phenylethyl)-isoquinolin-1-one

HRID 2403054
ノート
印刷プレビュー

反応式

HRID 2403054 の反応式
[Br:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[C:8]([OH:12])=[N:7][CH:6]=[CH:5]2.Br[CH:14]([C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1)[CH3:15].[OH-].[Na+]>[Br-].C([N+](CCCC)(CCCC)CCCC)CCC.C1(C)C=CC=CC=1.C(OCC)C>[Br:1][C:2]1[CH:3]=[C:4]2[C:9](=[CH:10][CH:11]=1)[C:8](=[O:12])[N:7]([CH:14]([C:16]1[CH:21]=[CH:20][CH:19]=[CH:18][CH:17]=1)[CH3:15])[CH:6]=[CH:5]2
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 11454(1-Bromoethyl)benzeneHCID 14798Sodium HydroxideHCID 178517609HCID 178517609、化合物

生成物 1

HCID 672849966-Bromo-2-(1-phenylethyl)-isoquinolin-1-one収率 100%

試薬・触媒・溶媒 3

HCID 74236Tetrabutylammonium Bromide触媒HCID 1140Toluene
溶媒
HCID 3283Diethyl Ether溶媒

反応条件

温度
70 °C

実験手順

6-Bromo-1-hydroxyisoquinoline (150 mg, 0.67 mmol, 1.0 equiv), tetrabutylammonium bromide (25 mg, 0.07 mmol, 0.1 equiv), and 1-bromoethylbenzene (160 uL, 0.8 mmol, 1.2 equiv) were combined in toluene (7 mL) and treated with 50% aq. NaOH (2 mL) and the resulting mixture was stirred rapidly while heating to 70° C. After additional stirring for 14 hours, the mixture was diluted with diethyl ether and washed with water and brine. The organic phase was dried over Na2SO4. Addition of silica gel, concentration, and purification of the residue using flash silica gel chromatography (gradient 2->12% ethyl acetate/hexanes) gave 6-bromo-2-(1-phenylethyl)-isoquinolin-1-one (227 mg, 0.67 mmol, quant.) as a yellowish oil. This isoquinolinone (220 mg, 0.67 mmol) was converted, via Methods 1 and 2, to compound 4 (109 mg, 56%) and isolated as a white solid. [M-H]-=292.1 m/z. Activity: B

後処理

  1. stirringAfter additional stirring for 14 hours
  2. washwashed with water and brine
  3. dry with materialThe organic phase was dried over Na2SO4
  4. additionAddition of silica gel, concentration, and purification of the residue

出典と根拠

ORDレコード
ord-7a196ae784fe4ae39a8b43a53667e1f4
出典データセット
uspto-grants-2014_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08802064B2

反応ノート

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