%0 Journal Article %T Barrier to Internal Rotation around the Isopropyl-Nitrogen Bond of Some N,N-Diisopropyl-1,3-dithia- and 1,3-diselenacycloalkan-2-iminium Salts, [X(CH2)nXCN(i-Pr)2]+Y− (X=S, Se; Y=Br, PF6; n=2,3) %A Takeda, Yu-ichi %A Matsuda, Tsuneo %A Tanaka, Toshio %J Bulletin of the Chemical Society of Japan %V 51 %N 2 %P 398-400 %@ 0009-2673 %D 2006-04-19 %I Oxford University Press %~ DeepDyve