The absolute stereochemistry of the new antifungal and antibacterial antibiotic produced by Streptomyces sp. 201 has been established by achieving the total synthesis of the product. A series of analogues have also been synthesized by changing the side chain and their bioactivity assessed against different microbial strains. Among them, 1e (R= C8H17) was found to be the most potent with MIC of 8μg/mL against Mycobacterium tuberculosis, 12μg ...