上一条： Synthesis of a Bicyclobutane Fatty Acid Identified from the Cyanobacterium Anabaena PCC 7120

下一条： Microwave a ssisted synthesis of ethyl 7-halo-6-fluoro-1-methyl-4-oxo-1 , 4-dihydro-[ 1 , 3] thiazeto[ 3 , 22a] quinoline-32carboxylate as a key intermediate for tricyclic quinolones