novel erythromycin derivatives Playa Intentia Intentia erythromycin and its preparation method and a novel method for producing Plata

摘要

This invention relates to novel erythromycin derivatives and a method for producing Plastic Potency represented by the formula (1) . The invention also relates to a process for the production of azithromycin Plastic Potency . Plastic Potency azithromycin is known as a useful substance with antibiotics that have a broad antibacterial spectrum , and derivatives thereof are also expected to be useful as antibiotics . ; [ Formula 1] ; [ in Formula 1, a or a .]