METHYL-28 BRASSINOSTEROIDS, PROCESS FOR THE PREPARATION THEREOF, AND PRODUCTS CONTAINING SUCH COMPOUNDS AND HAVING REGULATORY ACTION ON PLANT GROWTH

摘要

THE INVENTION CONCERNS NEW METHYL-28 BRASSINOSTEROIDES. /P P THESE MEET THE FORMULA: BR/ (CF DRAWING IN BOPI) BR/ IN WHICH Z REPRESENTS-CO-CH- OR -OC-CH-WHILE R, R AND R EACH INDEPENDENTLY REPRESENT ONE OF THE OTHERS, HYDROGEN OR AN ACYL RADICAL,