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 SM ISO690:2012VLAD, Pavel, CIOCARLAN, Alexandru, COLTSA, Mihai, SIMONOV, Yurii A., KRAVTSOV, Victor, LIPKOWSKI, Janusz, TADEUSZ, Tadeusz, GROOT, Aede. Structural aspect of photodegradation of some 14, 15-bisnorlabdene-13-ones, derived from larixol. In: Physical Methods in Coordination and Supramolecular Chemistry, 27 septembrie - 1 octombrie 2006, Chişinău. Chisinau, Republic of Moldova: 2006, XVII, p. 191. ISBN 978-9975-62-066-6. |
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| Physical Methods in Coordination and Supramolecular Chemistry XVII, 2006 |
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Conferința "The XV-th International Conference Physical Methods in Coordination and Supramolecular Chemistry : The XVII-th Reading in memory of Acad. A.Ablov" Chişinău, Moldova, 27 septembrie - 1 octombrie 2006 | |
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| Pag. 191-191 | |
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The photolytic Norrish type II reaction of compounds (1)-(3) has been investigated. The main reaction product on photodegradation of acetoxyketone (1) was the drimanic diene (4). Besides this diene the by-products (5)-(7) have been isolated and identified.figureThe photolysis of diketone (2) led to a complex mixture of compounds in which the ketodienes (8) and (9) prevailed.figureOn photolysis of diketone (3) also a complex mixture of substances was obtained in which diene (9) and the hydroxyketone (10) predominated. The structure and stereochemistry of compounds (4)-(7), (8), (9) and (10) have been established on the basis of spectral data, and for compounds (5), (6) and (7) were confirmed by X-ray analysis. In the case of hydroxyketone (10) the crystalline 2,4DNPH was prepared and investigated by X-ray method. |
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