Mechanistic Organic Photochemistry

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Some chemical reactions take place by the action of light. These are called, "photochemical reactions", or "photolysis". Mechanistic organic photochemistry is the aspect of organic photochemistry which seeks to explain the mechanisms of organic photochemical reactions. The absorption of ultraviolet light by organic molecules often leads to reactions. In the earliest days, sunlight was employed, while in more modern times ultraviolet lamps are employed. Organic photochemistry has proven to be a very useful synthetic tool. Complex organic products can be obtained simply. Over the last century and earlier an immense number of photochemical reactions have been uncovered. In modern times the field is quite well understood and is used in organic synthesis and industrially. The utility of organic photochemistry has arisen only by virtue of the available mechanistic treatment; reactions which appear unlikely in ground-state understanding become understandable and accessible in terms of electronic excited-state consideration.

photochemical reactions chemical reactions ultraviolet light

References

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Zimmerman, Howard E.; David I. Schuster (1962). "A New Approach to Mechanistic Organic Photochemistry. IV. Photochemical Rearrangements of 4,4-Diphenylcyclohexadienone". Journal of the American Chemical Society (A.C.S.) 84 (23): 4527–4540. doi:10.1021/ja00882a032. https://dx.doi.org/10.1021%2Fja00882a032
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For example Mechanisms of photochemical reactions in solution. XXII. Photochemical cis-trans isomerization. Hammond, G. S.; Saltiel, J.; Lamola, A. A.; Turro, N. J.; Bradshaw, J. S.; Cowan, D. O.; Counsell, R. C.; Vogt, V.; Dalton, C., J. Am. Chem. Soc. 1964, 86(16), 3197-3217.

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