in not given Kinetics;

in not given Kinetics; Rh complex reacted with tributylstannane; not isolated, detcd. by ESR;

sec.-butyllithium; (-)-sparteine in diethyl ether sec-BuLi was added to soln. of sparteine and pyrrolidine at -78°C; reaction time 4-6 h; addn. of tin-compound soln.; warming to room temperature (3 h);; flash chromatography with ethyl acetate/hexane; (1)H-and (13)C-NMR; elem. anal.;

water; iodine 1.) ether; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;