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See, for example, a) S. Steenken, R. A. McClelland, J. Am. Chem. Soc. 1989, 111, 4967 and refs. [1-12] therein; b) E. Baciocchi, M. Bietti, S. Steenken, J. Am. Chem. Soc. 1997, 119, 4078 (ref. [2]).
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Baciocchi, E.1
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P. Maslak, S. L. Asel, J. Am. Chem. Soc. 1988, 110, 8260; P. Maslak, J. N. Narvaez, Angew. Chem. 1990, 102, 302; Angew. Chem. Int. Ed. Engl. 1990, 29, 283.
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P. Maslak, S. L. Asel, J. Am. Chem. Soc. 1988, 110, 8260; P. Maslak, J. N. Narvaez, Angew. Chem. 1990, 102, 302; Angew. Chem. Int. Ed. Engl. 1990, 29, 283.
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19
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Leading references in the field of photochemically produced carbocations can be found in: a) R. A. McClelland, V. M. Kanagasabapathy, S. Steenken, J. Am. Chem. Soc. 1988, 110, 6913; b) R. A. McClelland, N. Banait, S. Steenken, J. Am. Chem. Soc. 1986, 108, 7023. For work on classical carbocations see, for example, G. A. Olah, Angew. Chem. 1995, 107, 1519; Angew. Chem. Int. Ed. Engl. 1995, 35, 1499; E. M. Arnett, R. A. Flowers, R. T. Ludwig, A. E. Meekhof, S. A. Walek, J. Phys. Org. Chem. 1997, 19, 499.
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20
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0001064551
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Leading references in the field of photochemically produced carbocations can be found in: a) R. A. McClelland, V. M. Kanagasabapathy, S. Steenken, J. Am. Chem. Soc. 1988, 110, 6913; b) R. A. McClelland, N. Banait, S. Steenken, J. Am. Chem. Soc. 1986, 108, 7023. For work on classical carbocations see, for example, G. A. Olah, Angew. Chem. 1995, 107, 1519; Angew. Chem. Int. Ed. Engl. 1995, 35, 1499; E. M. Arnett, R. A. Flowers, R. T. Ludwig, A. E. Meekhof, S. A. Walek, J. Phys. Org. Chem. 1997, 19, 499.
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0000497409
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Leading references in the field of photochemically produced carbocations can be found in: a) R. A. McClelland, V. M. Kanagasabapathy, S. Steenken, J. Am. Chem. Soc. 1988, 110, 6913; b) R. A. McClelland, N. Banait, S. Steenken, J. Am. Chem. Soc. 1986, 108, 7023. For work on classical carbocations see, for example, G. A. Olah, Angew. Chem. 1995, 107, 1519; Angew. Chem. Int. Ed. Engl. 1995, 35, 1499; E. M. Arnett, R. A. Flowers, R. T. Ludwig, A. E. Meekhof, S. A. Walek, J. Phys. Org. Chem. 1997, 19, 499.
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Olah, G.A.1
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85069415923
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Leading references in the field of photochemically produced carbocations can be found in: a) R. A. McClelland, V. M. Kanagasabapathy, S. Steenken, J. Am. Chem. Soc. 1988, 110, 6913; b) R. A. McClelland, N. Banait, S. Steenken, J. Am. Chem. Soc. 1986, 108, 7023. For work on classical carbocations see, for example, G. A. Olah, Angew. Chem. 1995, 107, 1519; Angew. Chem. Int. Ed. Engl. 1995, 35, 1499; E. M. Arnett, R. A. Flowers, R. T. Ludwig, A. E. Meekhof, S. A. Walek, J. Phys. Org. Chem. 1997, 19, 499.
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23
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0000605103
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Leading references in the field of photochemically produced carbocations can be found in: a) R. A. McClelland, V. M. Kanagasabapathy, S. Steenken, J. Am. Chem. Soc. 1988, 110, 6913; b) R. A. McClelland, N. Banait, S. Steenken, J. Am. Chem. Soc. 1986, 108, 7023. For work on classical carbocations see, for example, G. A. Olah, Angew. Chem. 1995, 107, 1519; Angew. Chem. Int. Ed. Engl. 1995, 35, 1499; E. M. Arnett, R. A. Flowers, R. T. Ludwig, A. E. Meekhof, S. A. Walek, J. Phys. Org. Chem. 1997, 19, 499.
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0003581880
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Wiley, New York
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For a description and discussion of the parameters influencing the homolysis/heterolysis ratio, see J. Michl, V. Balaji, in Electronic Aspects of Organic Photochemistry, Wiley, New York. 1990, pp. 138, 292, 374.
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85069417468
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In principle, deprotonation from the sidechain is an additional possibility. However, in this case there was no evidence for this reaction
-
In principle, deprotonation from the sidechain is an additional possibility. However, in this case there was no evidence for this reaction.
-
-
-
-
31
-
-
85088084093
-
-
note
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2 (saturated) led to considerably smaller values of α (indicating some absorption at 466 nm due to radical) and to a decrease in amplitude of the cation.
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32
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33
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85069410999
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unpublished results
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J. L. Faria, unpublished results.
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J. L. Faria
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85069407909
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The corresponding cation, showing a maximum at 390 nm with little absorbance at 490 nm. was prepared in concentrated acid from an acetal precursor
-
The corresponding cation, showing a maximum at 390 nm with little absorbance at 490 nm. was prepared in concentrated acid from an acetal precursor.
-
-
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42
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0001430605
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