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- W2072024808 abstract "Die gem-Dibrom-cyclopropane trans-13,13-Dibrom-bicyclo[10.1.0]tridecadien-(4t,8t) (1) und trans-13,13-Dibrom-bicyclo[10.1.0]tridecan (2) erleiden bei der Solvolyse in Gegenwart von Silberionen leicht eine Ringerweiterung. Reaktion von 1 und 2 mit Silbernitrat in Methanol ergab in hohen Ausbeuten 1-Methoxy-2-brom-cyclotridecatrien-(2t,6t,10t) (3) bzw. 1-Methoxy-2-brom-cyclotridecan-(2t) (5), während die Umsetzung mit Silbernitrat in Wasser glatt 2-Brom-cyclotridecatrien-(2t,6t,10t)-ol (4) bzw. 2-Brom-cyclotridecan-(2t)-ol (6) lieferte. In keinem Fall wurden Produkte mit cis-Doppelbindungen gefunden. Die Stereochemie von 3 und 6 wurde mittels NMR-Spektroskopie und durch Reduktion bestimmt. The gem-dibromocyclopropanes trans-13,13-dibromobicyclo[10.1.0]tridecadiene-(4t,8t) (1) and trans-13,13-dibromobicyclo[10.1.0]tridecane (2) undergo facile ring expansion during silver ion assisted solvolysis. Reaction of 1 and 2 with methanolic silver nitrate gave high yields of 1-methoxy-2-bromo-cyclotridecatriene-(2t,6t,10t) (3), and 1-methoxy-2-bromo-cyclotridecene-(2t) (5) respectively, while reaction with aqueous silver nitrate yielded 2-bromo-cyclotridecatriene-(2t,6t,10t)-ol (4), and 2-bromo-cyclo-tridecene-(2t)-ol (6) respectively. In no case were products found with cis double bonds. The stereochemistry of 3–6 was determined by NMR spectroscopy and by reduction." @default.
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- W2072024808 title "Solvolyse von trans-13,13-dibrom-bicyclo[10.1.0]tridecadien-(4t.8t) und trans13,13-dibrom-bicyclo[10.1.0]tridecan" @default.
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