A new synthesis of WS-5995-B, an anticoccidial antibiotic isolated from Streptomyces auranticolor is reported via the coupling reaction between 3-bromo-5, 6, 7, 8- tetrahydrojuglone, and 3-methoxy-5-methyl anthranilic acid. A simple method for the preparation of the anthranilate 7 starting from p-toluidine by shorter sequence is reported.
