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2-Methylbenzenesulfonic acid → 4-Ethylphenyl Methacryloxybenzoate

HRID 399884
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HRID 399884 반응식
C[Si](C)(C)O[C:4]1[CH:20]=[CH:19][C:7]([C:8]([O:10][C:11]2[CH:16]=[CH:15][C:14]([CH2:17][CH3:18])=[CH:13][CH:12]=2)=[O:9])=[CH:6][CH:5]=1.OC1C=[CH:39][C:27]([C:28]([O:30]C2C=CC(CC)=CC=2)=[O:29])=[CH:26]C=1.C(OC(=O)C(C)=C)(=O)C(C)=C.C1(C)C(S(O)(=O)=O)=CC=CC=1>C1(C)C=CC=CC=1.C(O)C>[C:28]([O:30][C:19]1[CH:20]=[CH:4][CH:5]=[CH:6][C:7]=1[C:8]([O:10][C:11]1[CH:16]=[CH:15][C:14]([CH2:17][CH3:18])=[CH:13][CH:12]=1)=[O:9])(=[O:29])[C:27]([CH3:39])=[CH2:26]
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참가 물질

7

반응물 4

HCID 69252-Methylbenzenesulfonic acidHCID 12974Methacrylic anhydrideHCID 137198734-Ethylphenyl 4-hydroxybenzoateHCID 539501834-Ethylphenyl 4-trimethylsilyloxybenzoate

생성물 1

HCID 183260004-Ethylphenyl Methacryloxybenzoate

시약·촉매·용매 2

HCID 702
Ethanol
용매
HCID 1140Toluene용매2회

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온도
100 °C

실험 절차

A solution of 16.9 g of 4-ethylphenyl 4-trimethylsilyloxybenzoate (prepared according to the instructions in EP-A-0 358 205, page 9, section C) in 15 ml of toluene and 10 ml of ethanol was boiled under reflux for one hour and then freed from volatile constituents by heating at 100° C. for 60 minutes. The 13.3 g of 4-ethylphenyl 4-hydroxybenzoate which remained were dissolved, together with 30 g of methacrylic anhydride and 1.2 g of toluenesulfonic acid, in 15 ml of toluene and the solution was heated at 100° C. for 1 hour. After cooling, the product was precipitated with hexane and recrystallized from ethanol.

후처리

  1. temperatureunder reflux for one hour
  2. temperaturethe solution was heated at 100° C. for 1 hour
  3. temperatureAfter cooling
  4. customthe product was precipitated with hexane
  5. customrecrystallized from ethanol

출처 및 근거

ORD 기록
ord-6b267d8fecba4701972798274e4568d9
출처 데이터셋
uspto-grants-1998_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05824733

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