326 Russian Chemical Bulletin, VoL 44, No. 2, February, 1995 ... Synthesis of some polyeyclic noncondensed pyrimidine structures ... E S. Reznik, L Sh. Salikhov,* Yu. S. Shvetsov,* Yu. Ira. Efremov, and L Kh. Rizvanov ... AE Arbuzov Institute of Organic and Physical Chemistry, Kazan" Scientific Center of the Russian Academy of Sciences, 8 ul. Akad. Arbuzova, 420083 Kazan, Russian Federation. Fax: + 7 (843 2) 752 253 ... Methods for the synthesis of ...