1. Synthesis of 2-iodomethyl derivatives of 1,4-dioxane and tetrahydropyran

   • V. V. Smirnov
   • S. V. Zabegailo
   • A. I. Kalenskaya

   Letters to the Editor Pages: 825 - 826

2. Synthesis of compounds containing a new biheterocyclic system (s-triazolo [3,4-b]-s-tetrazine)

   • V. A. Ershov
   • I. Ya. Postovskii

   Letters to the Editor Pages: 826 - 826

3. Synthesis of indole derivatives with a silicocarbon substituent in the β-position

   • M. F. Shostakovskii
   • N. V. Komarov
   • V. K. Roman

   Letters to the Editor Pages: 827 - 827