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Monitoring structural transformations in crystals. Part 10. monitoring molecular and crystal structures during a yang photocyclization reaction - Comparative studies

TitleMonitoring structural transformations in crystals. Part 10. monitoring molecular and crystal structures during a yang photocyclization reaction - Comparative studies
Publication TypeJournal Article
Year of Publication2007
AuthorsTurowska-Tyrk, I, Labecka, I, Scheffer, JR, Xia, W
JournalPolish Journal of Chemistry
Volume81
Pagination813-824
Date PublishedMay-Jun
ISBN Number0137-5083
Abstract

Structural changes in a crystal, brought about by the Yang photocyclization of the 2-(4-carboxybenzoyl)-2-methyl-endo-bicyclo[2.1.1]hexyl salt with (S)-(-)-l-phenylethylamine, were monitored by means of X-ray structure analysis. The changes taking place in the reaction centre, as well as changes in molecular orientation and cell constants are discussed. Analysis of the geometrical parameters describing the reaction centre enabled an evaluation of the possibility of formation of the opposite enantiomer in a crystal. The results are compared with data for other intramolecular photochemical reactions.

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