2,3,5-trimethyl-pyridine; 6-(2-C10H7-CH2)-1-(py-4-yl)octahydrocyclopenta[b]pyrrol-6-ol; 2-methylpropanoic anhydride in dichloromethane T=20°C; 5 h; Title compound not separated from byproducts.;

oxalyl dichloride; triethylamine in dimethyl sulfoxide