4 A molecular sieve; triethylamine; (S)-1-methyl-2-[(N-benzyl-N-methylamino)methyl]pyrrolidine in dichloromethane T=-78°C; 3 h; Yield given. Yields of byproduct given;

(S)-1-methyl-2-[(dihydroisoindol-2-yl)methyl]pyrrolidine in dichloromethane T=-78°C; 24 h;

(S)-1-methyl-2-[(dihydroisoindol-2-yl)methyl]pyrrolidine in dichloromethane T=-78°C; 24 h; Yields of byproduct given;

(S)-proplinol-derived 4-(pyrrolidino)-pyridine; triethylamine in dichloromethane T=25°C; 16 h;

(5aS,10bR)-5a,10b-dihydro-2-(pentafluorophenyl)-4H,6H-indeno[2,1-b][1,2,4]triazolo[4,3-d][1,4]oxazinium tetrafluoroborate; 3-benzylriboflavin tetraacetate; triethylamine in chloroform T=20°C; 4 h; AirMolecular sieveResolution of racemate; optical yield given as percent eeenantioselective reaction;

4 A molecular sieve; (S)-1-methyl-2-[(dihydroisoindol-2-yl)methyl]pyrrolidine in toluene Yields of byproduct given;