1: N-(2-pyridinyl)-2,2-dimethylpropanamide With n-butyllithium in hexane T=-78 - 0°C; 4 h; 2: N-Methoxy-N-methyl-benzamide in tetrahydrofuran; hexane T=0 - 20°C; 3: With hydrogenchloride in methanol; water T=100°C; 16 h;
参考文献
JANSSEN PHARMACEUTICA, N.V.
Patent: WO2005/9967 A2, 2005 ;
Location in patent: Page/Page column 28 ;
WO 2005/009967 A2