Srivastava; Jude, Kevin M.; Banerjee, Abir L.; Haldar, Manas; Manokaran, Sumathra; Kooren, Joel; Mallik, Sanku; Christianson, David W.
Journal of the American Chemical Society, 2007 , vol. 129, # 17 p. 5528 - 5537
in acetic anhydride warming a soln. of ZnNO3 * 6 H2O and 40 ml acetic anhydride; boiling for 15 min.;; pptn.; standing; sucking off in the cold; washing with acetic anhydride and diethyl ether; drying over KOH and H2SO4 under vac.;;
