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

HRID 2077198
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인쇄 미리보기

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HRID 2077198 반응식
[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]
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참가 물질

7

반응물 4

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

생성물 1

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

시약·촉매·용매 2

HCID 8857
Ethyl Acetate
용매
HCID 13387N-methyl-2-pyrrolidone용매

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온도
120 °C

실험 절차

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+).

후처리

  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

출처 및 근거

ORD 기록
ord-98ad6bc2d3064d2daddd28d1bfd95bd2
출처 데이터셋
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07928120B2

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