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Photochemie substituierter Cycloheptatriene. XI [4]. Cyclisierung und Cycloreversion (1981)

Abraham, W. ; Paulick, W. ; Kreysig, D.

New York, NY : Wiley-Blackwell

Journal für Praktische Chemie/Chemiker-Zeitung 323 (1981), S. 427-434

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ISSN: 0021-8383

Keywords: Chemistry ; Organic Chemistry

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: Photochemistry of Substituted Cycloheptatrienes. XI. Cyclization and CycloreversionThe photo-valence-isomerization of 1-(p-dimethylaminophenyl)-4-aryl-cycloheptatrienes has been studied. The photoreactive state is assumed by a long wave emission state.The dependence of reaction quantum yields on solvents and substituents points out that the reactive state is not very polar contrary to the assumption in the literature. Reactivity indices from front orbitals cannot describe the ring closure.The parameters for thermically induced cycloreversion are discussed.

Additional Material: 5 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/prac.19813230309

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