1) Institute of Physical Organic Chemistry, National Academy of Sciences of Belarus, 220072, Minsk, ul. Surganova, 13, e-mail: evgen_58@mail.ru; 2) OOO Tereza Inter, Russia, 129110, Moscow, Olimpiiskii pr., 22, e-mail: ilb_chuiko@mail.ru. Translated from Khimiya Prirodnykh Soedinenii, No. 1, pp. 65-66, January-February, 2008. Original article submitted November 21, 2007. ... Me2C CH(CH2)2C(Me) CHCH O Me2C CH(CH2)2C(Me) CHCH NOH