It was in 1979 when GROVE et al. isolated from pollen of rape (Brassica nap us) a highly active plant growth promoter, named it brassinolide and elucidated its structure as (22R,23R,24S)-2

Brassinosteroids.- 1. Introduction.- 2. Natural Occurrence and Distribution.- 3. Structures.- 4. Isolation and Purification.- 5. Analysis of Brassinosteroids.- 6. Synthesis.- 7. Biosynthesis.- 8. Metabolism of Brassinosteroids.- 9. Physiological Action.- 10. Molecular Mode of Action.- 11. Conclusions.- References.- Chemistry of the Neem Tree (Azadirachta indica A. Juss.).- 1. Introduction.- 2. Chemistry of Limonoids.- 3. Other Compounds.- References.- Author Index.