Modular synthesis of polyene side chain analogues of the potent macrolide antibiotic etnangien by a flexible coupling strategy based on hetero-bis-metallated alkenes
Modular synthesis of polyene side chain analogues of the potent macrolide antibiotic etnangien by a flexible coupling strategy based on hetero-bis-metallated alkenes
Design, synthesis and biological evaluation of simplified side chains of the macrolide antibiotic etnangien
作者:Mario Altendorfer、Herbert Irschik、Dirk Menche
DOI:10.1016/j.bmcl.2012.06.070
日期:2012.9
Novel simplified side chains of the potent RNA polymerase inhibitor etnangien were designed, synthesized and evaluated for antibacterial activity against Gram-positive bacteria and one Gram-negative bacterium. (C) 2012 Elsevier Ltd. All rights reserved.
Modular synthesis of polyene side chain analogues of the potent macrolide antibiotic etnangien by a flexible coupling strategy based on hetero-bis-metallated alkenes
An efficient procedure for the concise synthesis of hetero-bis-metallated alkenes as useful building blocks for the modular access to highly elaborate polyenes and stabilized analogues is reported. By applying these bifunctional olefins in convergent Stille/Suzuki–Miyaura couplings, novel, carefully selected side chain analogues of the potent RNA polymerase inhibitor etnangien were synthesized by a modular late stage coupling strategy and evaluated for antibacterial and antiproliferative activities.