First synthesis of nitrosporeusines, alkaloids with multiple biological activities

First synthesis of nitrosporeusines, alkaloids with multiple biological activities Nitrosporeusines A and B, Unprecedented Thioester-Bearing Alkaloids from the Arctic <i>Streptomyces nitrosporeus</i> Nitrosporeusines A and B, Unprecedented Thioester-Bearing Alkaloids from the Arctic Streptomyces nitrosporeus Discovery and efficient synthesis of a biologically active alkaloid inspired by thiostrepton biosynthesis <i>Iso</i>‐maleimycin, a Constitutional Isomer of Maleimycin, from <i>Streptomyces</i> sp. QL37 Isolation, structure elucidation and racemization of (+)- and (−)-pratensilins A–C: unprecedented spiro indolinone-naphthofuran alkaloids from a marine Streptomyces sp. Isolation, structure elucidation and racemization of (+)- and (−)-pratensilins A–C: unprecedented spiro indolinone-naphthofuran alkaloids from a marine Streptomyces sp. Benhamycin, novel alkaloid from terrestrial<b><i>Streptomyces</i></b>sp. Strepchazolins A and B: Two New Alkaloids from a Marine Streptomyces chartreusis NA02069 Strepchazolins A and B: Two New Alkaloids from a Marine Streptomyces chartreusis NA02069