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Toluene → Ethylene 5-norbornen-2-ol

HRID 854596
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HRID 854596 반응식
[CH:1]12[CH2:7][CH:4]([CH:5]=[CH:6]1)[CH2:3][CH:2]2[OH:8].C1(C)C=CC=CC=1.C=C>C1CC=CCCC=C1.C1CC=CCCC=C1.[Ni].CC(C)=O>[CH2:1]=[CH2:2].[CH:1]12[CH2:7][CH:4]([CH:5]=[CH:6]1)[CH2:3][CH:2]2[OH:8]
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참가 물질

6

반응물 3

HCID 1140Toluene2회HCID 6325Ethylene2회HCID 96066Bicyclo(2.2.1)hept-5-en-2-ol

생성물 1

HCID 86594155Ethylene 5-norbornen-2-ol수율 267.8%

시약·촉매·용매 2

HCID 6433264Bis(1,5-cyclooctadiene)nickel촉매HCID 180Acetone
용매

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온도
20 °C

실험 절차

A glass reactor was loaded inside a glove box with L(iPr2)Ni(ηl-CH2Ph)(PMe3) (about 20 μmol; 2.00 g of 8.77 mM solution in toluene), Ni(COD)2 (about 50 μmol; 2.50 g of 17.6 mM solution in toluene), 5-norbornen-2-ol (about 4.49 mmol; 3.00 g of 1.30 M solution in toluene) and toluene (about 18.45 g) such that the total volume of the toluene solution was about 30 mL. The glass reactor was sealed inside the glove box and was attached to a vacuum/nitrogen line manifold. Ethylene was fed continuously into the reactor at about 100 psi and the pressurized reaction mixture was stirred at about 20° C. Ethylene was vented after about 120 minutes and acetone was added to quench the polymerization. The precipitated polymer was collected by filtration and dried under high vacuum overnight. The reaction produced about 0.831 g of ethylene/5-norbornen-2-ol co-polymer. The activity of the catalyst with respect to ethylene consumption was about 20 kg mol−1 h−1.

후처리

  1. customThe glass reactor was sealed inside the glove box
  2. customto quench
  3. customthe polymerization
  4. filtrationThe precipitated polymer was collected by filtration
  5. customdried under high vacuum overnight

출처 및 근거

ORD 기록
ord-a12dc7a63ee5473294c8fa8b961bf1f9
출처 데이터셋
uspto-grants-2007_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07259214B2

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