Synthesis and Stress-Protective Action on Plants of Brassinosteroid Conjugates with Salicylic Acid

• DOI: 10.1007/s10600-016-1671-y
• Publication Date: 2016-04-28T23:55:48Z
• Authors: R. P. Litvinovskaya; A. A. Vayner; H. A. Zhylitskaya; Yu. E. Kolupaev; A. P. Savachka; V. A. Khripach
• Keywords: 0301 basic medicine; 0303 health sciences; 03 medical and health sciences

Conjugates of 24-epibrassinolide and 24-epicastasterone with salicylic acid were prepared by reacting the brassinosteroids with 2-O-benzylsalicylic acid followed by hydrogenolysis of the O-benzyl groups. The synthesized conjugates increased the survival of millet sprouts under heat and salt stress and decreased the accumulation in them of lipid peroxidation products. The action of the synthesized conjugates exceeded markedly the effects of the corresponding brassinosteroids, salicylic acid, and mixtures of these phytohormones.