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Acrylic Acid → 2-tert-Butyl-6-(3-tert-butyl-2-hydroxy-5-methylbenzyl)-4-methylphenyl acrylate

HRID 638669
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HRID 638669 반응식
[CH2:1]([C:14]1[CH:19]=[C:18]([CH3:20])[CH:17]=[C:16]([C:21]([CH3:24])([CH3:23])[CH3:22])[C:15]=1[OH:25])[C:2]1[CH:7]=[C:6]([CH3:8])[CH:5]=[C:4]([C:9]([CH3:12])([CH3:11])[CH3:10])[C:3]=1[OH:13].[C:26](O)(=[O:29])[CH:27]=[CH2:28].C(N(CC)CC)C.P(Br)(Br)(Br)=O>O.CCCCCCC>[C:26]([O:25][C:15]1[C:16]([C:21]([CH3:24])([CH3:23])[CH3:22])=[CH:17][C:18]([CH3:20])=[CH:19][C:14]=1[CH2:1][C:2]1[CH:7]=[C:6]([CH3:8])[CH:5]=[C:4]([C:9]([CH3:12])([CH3:11])[CH3:10])[C:3]=1[OH:13])(=[O:29])[CH:27]=[CH2:28]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 6581Acrylic AcidHCID 83982,2'-Methylenebis(4-methyl-6-tert-butylphenol)HCID 8471TriethylamineHCID 24613Phosphorus oxybromide

생성물 1

HCID 1090582-tert-Butyl-6-(3-tert-butyl-2-hydroxy-5-methylbenzyl)-4-methylphenyl acrylate수율 96.2%

시약·촉매·용매 2

HCID 962
Water
용매
HCID 8900Heptane용매

실험 절차

To the same flask as used in Example 1 were added 340.51 g (1.0 mole) of 2,2'-methylenebis(6-tert-butyl-4-methylphenol), 72.06 g (1.0 mole) of acrylic acid, 400 g of n-heptane and 212.5 g (2.10 moles) of triethylamine. After replacing the air in the container with nitrogen, 200.7 g (0.70 mole) of phosphorus oxybromide was added dropwise with stirring. After completion of the dropwise addition, the reaction solution was kept at 80° C. for 1 hour. Thereafter, 500 g of water was added, and after cooling to room temperature, the deposited product was filtered off. The product obtained was washed with water until the washing became neutral to obtain 379.6 g of 2,2'-methylenebis(6-tert-butyl-4-methylphenol) monoacrylate as a white crystal. Melting point, 132°-134° C. Yield, 96%.

후처리

  1. additionwas added dropwise
  2. additionAfter completion of the dropwise addition
  3. filtrationthe deposited product was filtered off
  4. customThe product obtained
  5. washwas washed with water until the washing

출처 및 근거

ORD 기록
ord-acae4bef46044efd8a9c580df0cc4a21
출처 데이터셋
uspto-grants-1985_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04562281

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