1: tert-butyl 4-oxo-piperidine-1-carboxylate With ammonium chloride in methanol T=20°C; 1 h; 2: sodium cyanide in methanol 16 h;
参考文献
Degnan, Andrew P.; Han, Xiaojun; Dubowchik, Gene M.; Macor, John E.; Mercer, Stephen E.
Patent: US2005/215576 A1, 2005 ;
Location in patent: Page/Page column 19 ;
US 20050215576 A1