0
Zoltan Hajos was born on 1926-03-03.
Joe Hajos was born on March 10, 1907, in Malencze, Hungary.
Karl Hajos was born on January 28, 1889, in Budapest, Austria-Hungary [now Hungary].
Joe Hajos died on August 26, 1982, in Eaubonne, Val-d'Oise, le-de-France, France.
We have not used ammonium chloride in the proline catalyzed asymmetric cyclization. Zoltan G. Hajos 8-16-2011