FR179642 is a key intermediate in the synthesis of the echinocandin antifungal Micafungin[1]. FR179642 is the cyclic peptide nucleus of the echinocandin-like antifungal lipopeptide FR901379[2].
[1]. Satoshi Ueda, et al. Cloning and expression of the FR901379 acylase gene from Streptomyces sp. no. 6907. J Antibiot (Tokyo)
[2]. M Tomishima, et al. FK463, a novel water-soluble echinocandin lipopeptide: synthesis and antifungal activity. J Antibiot (Tokyo)