Zobrazeno 1 - 10 of 252 pro vyhledávání: '"Stanley J. Cristol"'
1
Photochemical transformations. 49. Solvent effects on singlet ionic and triplet photoreactions of some bridged polycyclic chlorides: Comparison with ground-state reactions
Autor: Stanley J. Cristol, Bart J. Vanden Plas
Publikováno v: Journal of Physical Organic Chemistry. 4:541-546
Direct irradiations of 2-chloro-6,7 : 8,9-dibenzotricyclo [3.2.2.02,4] nona-6,8-diene (5-Cl) were conducted in cyclohexane, acetic acid and wet acetonitrile. The products are 1-methylfluoranthene (8) in all three solvents, the allylic chlorides 8-chl
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a6b111428a9c45764dbf799682510ead
https://doi.org/10.1002/poc.610040904
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4
Photochemical transformations. 46. Photophysics and photochemistry of some compounds undergoing light-induced solvolysis and Wagner-Meerwein rearrangement
Autor: Robert D. Ito, S. J. Strickler, Stanley J. Cristol, Ellen O. Aeling
Publikováno v: Journal of the American Chemical Society. 109:7101-7104
Absorption maxima, fluorescence maxima, and fluorescence quantum yields are reported for a variety of 7-substituted and 7,8-disubstituted dibenzobicyclo(2.2.2)octadienes and veratrolobenzobicyclo(2.2.2)octadienes in cyclohexane and/or acetonitrile. S
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::19e3ea22a6eebd47ae7d529ed8c9bba7
https://doi.org/10.1021/ja00257a032
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6
Photochemical transformations. 45. Orbital overlap preferences in excited-state intramolecular electron transfers
Autor: Richard Heng, Stanley J. Cristol, Ellen O. Aeling
Publikováno v: Journal of the American Chemical Society. 109:830-838
Syntheses of a number of meta-methoxy-substituted 2,3;6,7-dibenzobicyclo(2.2.2)octadienes, substituted as well on the ethano bridge, have been carried out. These included the four acetates produced by Diels-Alder reactions between 2-methoxyanthracene
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b95165f576ff91fdc4615147359a61aa
https://doi.org/10.1021/ja00237a033
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8
Photochemical transformations. 30. Photosolvolysis of benzyl chlorides in tert-butyl alcohol. 2. Nature of excited states
Autor: Stanley J. Cristol, Thomas H. Bindel
Publikováno v: Journal of the American Chemical Society. 103:7287-7293
The photosolvolysis of a number of benzyl chlorides in tert-butyl alcohol, both as a result of direct irradiation and ketone triplet sensitization, has been studied. A variety of sensitization and quenching techniques have been used. The results obta
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::49fe255e0a32c4f7069f9954ff707ea7
https://doi.org/10.1021/ja00414a041
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10
Photochemical transformations. 39. Effects of ring substituents and leaving groups on photo-Wagner-Meerwein rearrangements and their ground-state analogs
Autor: Ellen O. Aeling, Stanley J. Cristol
Publikováno v: The Journal of Organic Chemistry. 50:2698-2707
A variety of diarobicyclo(2.2.2)octa-2,5-dienes, substituted on the saturated bridge at C-7 or disubstituted at C-7 and C-8, have been subjected to direct irradiation in acetic acid, as well as to ground-state solvolysis. The ground-state reactions p
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0ad416ecb8f3fe2861436cfff3bf0c19
https://doi.org/10.1021/jo00215a021
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