1: 1-(tert-butoxycarbonyl)-L-proline With 1,1'-carbonyldiimidazole in dichloromethane T=20°C; 0.25 h; 2: O,N-dimethyl-hydroxylamine hydrochloride in dichloromethane T=20°C;
参考文献
KALYPSYS, INC.
Patent: US2009/62253 A1, 2009 ;
Location in patent: Page/Page column 50 ;
US 20090062253 A1
Patel, Bhavesh H.; Mason, Andrew M.; Patel, Hetal; Coombes, R. Charles; Ali, Simak; Barrett, Anthony G. M.
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