Radchenko, Dmytro S.; Pavlenko, Sergiy O.; Grygorenko, Oleksandr O.; Volochnyuk, Dmitriy M.; Shishkina, Svitlana V.; Shishkin, Oleg V.; Komarov, Igor V. Journal of Organic Chemistry, 2010 , vol. 75, # 17 p. 5941 - 5952