1-ethyl-piperidine; tin(II) trifluoromethanesulfonate in tetrahydrofuran T=-78°C; 20 h; Yield given. Yields of byproduct given. Title compound not separated from byproducts;
Clarke, Matthew L.; Cole-Hamilton, David J.; Foster, Douglas F.; Slawin, Alexandra M. Z.; Woollins, J. Derek
Journal of the Chemical Society, Dalton Transactions, 2002 , # 8 p. 1618 - 1624