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Potassium Carbonate → Methyl 4-[(4E)-5-{2-[(4-tert-butylbenzyl)oxy]phenyl}-3-(4-cyanobenzyl)pent-4-en-1-yl]benzoate

HRID 1927420
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HRID 1927420 반응식
[C:1]([C:3]1[CH:31]=[CH:30][C:6]([CH2:7][CH:8](/[CH:21]=[CH:22]/[C:23]2[CH:28]=[CH:27][CH:26]=[CH:25][C:24]=2[OH:29])[CH2:9][CH2:10][C:11]2[CH:20]=[CH:19][C:14]([C:15]([O:17][CH3:18])=[O:16])=[CH:13][CH:12]=2)=[CH:5][CH:4]=1)#[N:2].[C:32]([C:36]1[CH:43]=[CH:42][C:39]([CH2:40]Br)=[CH:38][CH:37]=1)([CH3:35])([CH3:34])[CH3:33].C(=O)([O-])[O-].[K+].[K+]>C(#N)C>[C:32]([C:36]1[CH:37]=[CH:38][C:39]([CH2:40][O:29][C:24]2[CH:25]=[CH:26][CH:27]=[CH:28][C:23]=2/[CH:22]=[CH:21]/[CH:8]([CH2:7][C:6]2[CH:5]=[CH:4][C:3]([C:1]#[N:2])=[CH:31][CH:30]=2)[CH2:9][CH2:10][C:11]2[CH:20]=[CH:19][C:14]([C:15]([O:17][CH3:18])=[O:16])=[CH:13][CH:12]=2)=[CH:42][CH:43]=1)([CH3:35])([CH3:33])[CH3:34]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 878361-(Bromomethyl)-4-(1,1-dimethylethyl)benzeneHCID 57831354methyl E-4-[3-(4-cyanobenzyl)-5-(2-hydroxyphenyl)pent-4-enyl]benzoate

생성물 1

HCID 57831359Methyl 4-[(4E)-5-{2-[(4-tert-butylbenzyl)oxy]phenyl}-3-(4-cyanobenzyl)pent-4-en-1-yl]benzoate

시약·촉매·용매 1

HCID 6342Acetonitrile용매

실험 절차

A solution of 1.4 g (3.13 mmol, 92% pure) of methyl E-4-[3-(4-cyanobenzyl)-5-(2-hydroxyphenyl)pent-4-enyl]benzoate in 7 ml of dry acetonitrile is mixed with 1.42 g (6.26 mmol) 4-(tert-butyl)benzyl bromide and 1.30 g (9.39 mmol) of anhydrous potassium carbonate and heated under reflux for 12 hours. The mixture is then filtered and concentrated to dryness. The residue is directly purified by chromatography on silica gel (mobile phase: cyclohexane/ethyl acetate 10:1, then 1:5). 1.85 g (3.32 mmol, 93% purity, 98% of theory) of an oil are isolated.

후처리

  1. temperatureheated
  2. temperatureunder reflux for 12 hours
  3. filtrationThe mixture is then filtered
  4. concentrationconcentrated to dryness
  5. customThe residue is directly purified by chromatography on silica gel (mobile phase
  6. custom1.85 g (3.32 mmol, 93% purity, 98% of theory) of an oil are isolated

출처 및 근거

ORD 기록
ord-a8d7cc16ca4e4a069ab1ee79b044234e
출처 데이터셋
uspto-grants-2012_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08183271B2

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