Russian Chemical Bulletin, Vol. 47, No. 7, July, 1998 ... Reactions of stericaily hindered phenols with PzS5 ... NF Dzhanibekov, E. L Markava, M. Kh. Mamedov, and SR Rafieva* ... Institute of Petrochemical Processes, Academy of Sciences of Azerbaijan, 30 ul. N. Rafieva, 370025 Baku, Azerbaijan. Fax: +7 (892 2) 98 8169 ... The direction of the reaction of 2,6-disubstituted phenols with P2S5 leading to bis(hydroxyaryl)dithiophosphinic acids or O,O-bis(aryl) ...