Ueno method reduction

Yang JW, Hechavarria Fonseca MT, List B (2005) Catalytic asymmetric reductive Michael cyclization. J Am Chem Soc 127 15036-15037 Yoshikawa N, Chiba N, Mikawa T, Ueno S, Harimaya K, Iwata M (1994) Mitsubishi Chemical Industries patent. Jpn Kokai Tokkyo Koho JP 0630600 Zeitler K (2005) Extending mechanistic routes in heterazolium catalysis— promising concepts for versatile synthetic methods. Angew Chem Int Ed Engl 44 7506-7510... 

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