Evgenij V. Zarudnitskii*a, Igor I. Pervaka, Anatolij S. Merkulova, Aleksandr A. Yurchenkoa, Andrej A. Tolmachevb, Aleksandr M. Pinchuka a Institute of Organic Chemistry, National Academy of Sciences of Ukraine, Murmanska str. 5, 02094 Kiev, Ukraine e-Mail: zhz@bpci.kiev.ua; b National Taras Shevchenko University, Volodymyrska str. 62, 01033 Kiev, Ukraine