Humphrey, John M.; Arnold, Eric P.; Chappie, Thomas A.; Feltenberger, John B.; Nagel, Arthur; Simon, Wendy; Suarez-Contreras, Melani; Tom, Norma J.; O'Neill, Brian T.
Journal of Organic Chemistry, 2009 , vol. 74, # 12 p. 4525 - 4536
1: nitromethane With potassium tert-butylate in tetrahydrofuran T=20°C; 2: 1-acetyl-1H-imidazole in tetrahydrofuran T=0 - 20°C; 3: With hydrogenchloride; water in tetrahydrofuran pH=3;