Аннотация:
A dramatical difference in the stereoselectivity of 1,1-dimethylallene allylboration with allyl(chloro)- and triallylboranes has been revealed and applied to the synthesis of isomeric 7-methylene-6,6-dimethyl- and 6-(1-methylethylidene)-3-borabicyclo[3.3.1]-nonanes.