1: aniline With hydrogenchloride; sodium nitrite in water Diazotization; salt/ice cooling; 2: acetoacetic acid tert-butyl ester With sodium acetate in ethanol; water T=0 - 20°C; Condensation; 1.5 h;
参考文献
Lash, Timothy D.
Tetrahedron, 1998 , vol. 54, # 3-4 p. 359 - 374
1: acetoacetic acid tert-butyl ester With (DL)-norvaline in dichloromethane 0.0833333 h; 2: 2,2-dibromo-5,5-dimethyl cyclohexane-1,3-dione With dipyridinium dichromate in dichloromethane 1.5 h; Cooling with ice; optical yield given as percent eeenantioselective reaction;
参考文献
Goswami, Papori; Baruah, Abhilasha; Das, Babulal
Advanced Synthesis and Catalysis, 2009 , vol. 351, # 10 p. 1483 - 1487