Steric prohibition for the formation of aminals from di-sec-alkylamines and di-tert-alkylamines R. G. KostyanovskiiM. A. Shakhgel'dievO. G. Nabiev Letters to the Editor Pages: 2593 - 2593
Adsorption heats of hydrogen isotopes on zeolite Nax at elevated pressures M. A. LevinA. A. FomkinV. V. Serpinskii Letters to the Editor Pages: 2594 - 2594
Addition of C-, P- and metal-centered radicals to 2-trifluoromethyl-2-hydro-3-perfluoropentanethione B. L. TumanskiiS. P. SolodovnikovI. L. Knunyants Letters to the Editor Pages: 2595 - 2596
Direct IR spectroscopic detection of the propargyl radical and the formation of cyclopentadiene upon the pyrolysis of C5-C8 alkynes L. E. Gusel'nikovV. V. VolkovaB. Ondruschka Letters to the Editor Pages: 2597 - 2597
Synthesis of chiral disubstituted 18-crown-6-ethers with C2 symmetry from D-sorbitol É. P. SerebryakovR. I. AbylgazievM. I. Struchkova Letters to the Editor Pages: 2598 - 2598
Dimercaptide complexes of tetrasulfophthalocyaninecobalt(III) I. V. BerezinE. I. KozlyakA. K. Yatsirairskii Letters to the Editor Pages: 2599 - 2599
Synthesis of the first incomplete esters of alkyldithiophosphonous acids O. G. SinyashinI. Yu. GorshunovA. N. Pudovik Letters to the Editor Pages: 2600 - 2600
Steric selectivity of the catalytic phosphorylation of phenols by aryl α-polyfluoroalkylbenzyl chlorophosphates M. I. KabachnikL. S. ZakharovE. I. Goryunov Letters to the Editor Pages: 2601 - 2601
First x-ray diffraction structural study of episelenonium ions: 1,2-dimethylacenaphthylene-1,2-se-phenylepiselenonium tetrachloroaluminate G. I. BorodkinYu. V. GatilovV. G. Shubin Letters to the Editor Pages: 2602 - 2602