Electron transfer reactions within zeolites: Radical cation from benzonorbornadiene

Journal of the American Chemical Society

Volumn 118, Issue 34, 1996, Pages 8152-8153

  Pitchumani, K ^a   Corbin, D R ^b   Ramamurthy, V ^a  

^a Tulane University   (United States)

^b DUPONT COMPANY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

NORBORNANE DERIVATIVE;

ARTICLE; DRUG STRUCTURE; ELECTRON TRANSPORT; MOLECULAR DYNAMICS;

EID: 0029836062     PISSN: 00027863     EISSN: None     Source Type: Journal    
DOI: 10.1021/ja961535o     Document Type: Article

References (42)

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22. Other olefins investigated thus far include stilbenes, diphenylbutadienes, 1-phenyl-3,4-dihydronaphthalene, 2-phenyl-3,4-dihydronaphlhalene, 1,1-diphenylethylene, indene, and dibenzobarrelene. Every one of these molecules was cleanly converted to products. Results will be published shortly. (7) Zeolites X and Y were activated at 450 °C, and LS X was activated at 350 °C. LS X is not stable at higher temperatures.
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41. Oxygen is most likely involved in the oxidation process. When activation of Ca Y was conducted under conditions where oxygen was completely eliminated, radical cation formation was significantly reduced. Under such conditions, introduction of oxygen enhanced the radical cation formation. Details will be presented shortly.
42. We have recently observed with a number of olefins that Ca Y upon activation under aerated conditions generates both carbocation and cation radical. By controlling the activation process, one can control the generation of these two reactive intermediates. Both are long-lived within Ca Y at room temperature. We are in the process of examining the involvement of carbocation formation in the benzonorbornadiene system.