✍ Scribed by Matthias Gerlach; Eckhard Claus; Silke Baasner; Gilbert Müller; Emmanuel Polymeropoulos; Peter Schmidt; Eckhard Günther; Jürgen Engel
No coin nor oath required. For personal study only.
1‐Phenyl‐4‐piperazinyl‐carbonyl‐substituted nitrogen‐containing heterocycles were discovered at Zentaris as a new class of potent, synthetic, small molecule tubulin inhibitors with strong antiproliferative activity. The lead structure of this class, D‐24203, proved to be a potent inhibitor of in vivo tumor growth in different xenograft models including mammary and renal cancers. As part of our efforts in the lead optimization process to expand structural diversity as well as to optimize bioavailability parameters such as solubility and metabolic stability for these compounds, we produced and evaluated a focused library containing 320 compounds. Five new heterocyclic compound classes with comparable activity properties in the cytotoxicity and tubulin polymerization assay could be identi fied. In silico calculated bioavailability parameters for selected library members provides new compound classes with improved solubility properties.
Library design, development of adequate solution phase methodology, and synthesis will be presented, as well as results of lead optimization.
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The design, synthesis and antimycotic activities of 18 (N-heteroary1)arylmethanamines are reported. The MIC against Cundida strains of the most active amine, 3-(p-methylbenzylamino)quinoline, is comparable to that of pyrrolnitrin.