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Dicyclohexylcarbodiimide → Ethyl 4-[(5,5-dimethyl-8-(carbethoxymethyl)-5,6-dihydronaphthalen-2-yl)azo]benzoate

HRID 481215
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HRID 481215 반응식
[CH3:1][C:2]1([CH3:32])[CH2:11][CH2:10][C:9](O)([CH2:12][C:13]([O:15][CH2:16][CH3:17])=[O:14])[C:8]2[CH:7]=[C:6]([N:19]=[N:20][C:21]3[CH:31]=[CH:30][C:24]([C:25]([O:27][CH2:28][CH3:29])=[O:26])=[CH:23][CH:22]=3)[CH:5]=[CH:4][C:3]1=2.C1CCC(N=C=NC2CCCCC2)CC1>C1C=CC=CC=1.Cl[Cu]>[CH3:32][C:2]1([CH3:1])[CH2:11][CH:10]=[C:9]([CH2:12][C:13]([O:15][CH2:16][CH3:17])=[O:14])[C:8]2[CH:7]=[C:6]([N:19]=[N:20][C:21]3[CH:22]=[CH:23][C:24]([C:25]([O:27][CH2:28][CH3:29])=[O:26])=[CH:30][CH:31]=3)[CH:5]=[CH:4][C:3]1=2
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참가 물질

5

반응물 2

HCID 10868DicyclohexylcarbodiimideHCID 22571557(+/-) Ethyl 4-[(5,5-dimethyl-8-hydroxy-8-carbethoxymethy5,6,7,8-tetrahydronaphth-2-yl)azo]benzoate2회

생성물 1

HCID 22571504Ethyl 4-[(5,5-dimethyl-8-(carbethoxymethyl)-5,6-dihydronaphthalen-2-yl)azo]benzoate

시약·촉매·용매 2

HCID 62652Cuprous chloride촉매HCID 241Benzene
용매

실험 절차

A solution of (+/−) ethyl 4-[(5,5-dimethyl-8-hydroxy-8-carbethoxymethyl-5,6,7,8-tetrahydronaphth-2-yl)azo]benzoate (Compound D1, 108 mg, 0.25 mmol), DCC (55.9 mg, 0.271 mmol) and CuCl (36.6 mg, 0.37 mmol) in 8 ml of dry benzene was heated under reflux for 7 days. After cooling to room temperature, the solids were filtered out and the solution was extracted with ethyl acetate. The combined organic layer was washed with brine and dried over Na2SO4. The solvent was removed under reduced pressure, the crude material was purified by flash chromatography (silicagel, 10% ethyl acetate in hexane) to afford the pure title compounds as red oils.

후처리

  1. temperatureunder reflux for 7 days
  2. filtrationthe solids were filtered out
  3. extractionthe solution was extracted with ethyl acetate
  4. washThe combined organic layer was washed with brine
  5. dry with materialdried over Na2SO4
  6. customThe solvent was removed under reduced pressure
  7. customthe crude material was purified by flash chromatography (silicagel, 10% ethyl acetate in hexane)

출처 및 근거

ORD 기록
ord-a05219f4a0994c6c9dc22ae69b3f7742
출처 데이터셋
uspto-grants-2003_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06653483B1

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