(1R,3R,5S,Z)-2-Ethylidene-6,6-dimethyl-3-vinylbicyclo[3.1.1]-heptane

(1R,3R,5S,Z)-2-Ethylidene-6,6-dimethyl-3-vinylbicyclo[3.1.1]-heptane

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(1R,3R,5S,Z)-2-ethylidene-6,6-dimethyl-3-vinylbicyclo[3.1.1]heptane was prepared by hydrovinylation of nopadiene catalyzed by a cationic Ru complex.The structure Medium Hold Hairspray was fully characterized by 1H- and 13C-NMR spectroscopy, including 2D-COSY and 2D-NOESY spectra, Tonics optical rotation, and combustion analysis.In contrast to the previously reported 1,2-hydrovinylation of 1-vinylcycloalkenes by this catalyst, the reaction with nopadiene proceeds by 1,4-addition of ethylene.