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Hydrochloric Acid → 1-Cyano-4-hydroxy-6-(4-propoxy-phenoxy)-isoquinoline-3-carboxylic acid butyl ester

HRID 706205
ノート
印刷プレビュー

反応式

HRID 706205 の反応式
[CH2:1]([O:5][C:6]([C:8]1[N:9]=[C:10](Br)[C:11]2[C:16]([C:17]=1[OH:18])=[CH:15][C:14]([O:19][C:20]1[CH:25]=[CH:24][C:23]([O:26][CH2:27][CH2:28][CH3:29])=[CH:22][CH:21]=1)=[CH:13][CH:12]=2)=[O:7])[CH2:2][CH2:3][CH3:4].[C:31]([Cu])#[N:32].[OH-].[NH4+].Cl>CCOC(C)=O.CN1CCCC1=O>[CH2:1]([O:5][C:6]([C:8]1[N:9]=[C:10]([C:31]#[N:32])[C:11]2[C:16]([C:17]=1[OH:18])=[CH:15][C:14]([O:19][C:20]1[CH:25]=[CH:24][C:23]([O:26][CH2:27][CH2:28][CH3:29])=[CH:22][CH:21]=1)=[CH:13][CH:12]=2)=[O:7])[CH2:2][CH2:3][CH3:4]
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 4

HCID 313Hydrochloric AcidHCID 14923Ammonium HydroxideHCID 866170781-Bromo-4-hydroxy-6-(4-propoxy-phenoxy)-isoquinoline-3-carboxylic acid butyl esterHCID 178418546HCID 178418546、化合物

生成物 1

HCID 671102651-Cyano-4-hydroxy-6-(4-propoxy-phenoxy)-isoquinoline-3-carboxylic acid butyl ester収率 73.8%

試薬・触媒・溶媒 2

HCID 8857
Ethyl Acetate
溶媒
HCID 13387N-methyl-2-pyrrolidone溶媒

反応条件

温度
120 °C

実験手順

A mixture of 1-bromo-4-hydroxy-6-(4-propoxy-phenoxy)-isoquinoline-3-carboxylic acid butyl ester (315 mg, 0.664 mmol), CuCN (66 mg, 0.730 mmol), and N-methylpyrrolidinone (2 mL) was stirred at 120° C. for 4 h. After cooling to room temperature the mixture was poured into EtOAc (20 mL) and saturated ammonium hydroxide solution (˜1 mL) was added. The mixture was rapidly stirred for 2 min. Then it was acidified with concentrated HCl, washed with water, and saturated NaCl solution before it was dried over anhydrous sodium sulfate, and concentrated in vacuo. The residue was purified by column chromatography to give title compound (206 mg). ESI MS (m/z): 421 (M+H+).

後処理

  1. temperatureAfter cooling to room temperature the mixture
  2. additionwas added
  3. stirringThe mixture was rapidly stirred for 2 min
  4. washwashed with water, and saturated NaCl solution before it
  5. dry with materialwas dried over anhydrous sodium sulfate
  6. concentrationconcentrated in vacuo
  7. customThe residue was purified by column chromatography

出典と根拠

ORDレコード
ord-0b790248dce44a97b8066982c7f79180
出典データセット
uspto-grants-2015_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09174976B2

反応ノート

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