Kuzniewski, Christian N.’s team published research in Helvetica Chimica Acta in 102 | CAS: 57044-25-4

Helvetica Chimica Acta published new progress about 57044-25-4. 57044-25-4 belongs to alcohols-buliding-blocks, auxiliary class Epoxides,Chiral,Aliphatic hydrocarbon chain,Alcohol, name is (R)-Oxiran-2-ylmethanol, and the molecular formula is C3H6O2, Application In Synthesis of 57044-25-4.

Kuzniewski, Christian N. published the artcileSynthesis, Profiling, and Bioactive Conformation of trans-Cyclopropyl Epothilones, Application In Synthesis of 57044-25-4, the publication is Helvetica Chimica Acta (2019), 102(5), n/a, database is CAplus.

A series of new 3-deoxy-C(12),C(13)-trans-cyclopropyl-epothilones have been prepared, bearing benzothiazole, quinoline, thiazol-5-ylvinyl, or isoxazol-3-ylvinyl side chains (IIV, resp.). For analogs with fused aromatic side chains, macrocyclic ring-closure was based on ring-closing olefin metathesis (RCM) of a precursor incorporating the fully elaborated heavy atom framework of the target structure (including the side chain moiety), while side chain attachment for the thiazole and isoxazole-containing 16-desmethyl analogs was performed only after establishment of the macrolactone core. Two approaches were elaborated for a macrocyclic aldehyde as the common precursor for the latter analogs that involved ring-closure either by RCM or by macrolactonization. Benzothiazole- and quinoline-based analogs were found to be highly potent antiproliferative agents; the two analogs with a thiazol-5-ylvinyl or an isoxazol-3-ylvinyl side chain likewise showed good antiproliferative activity but were significantly less potent than the parent epothilone A. Surprisingly, the desaturation of the C(10)-C(11) bond in these analogs was associated with a virtually complete loss in antiproliferative activity, which likely reflects a requirement for a ca. 60 ° C(10)-C(11) torsion angle in the tubulin-bound conformation of 12,13-trans-epothilones.

Helvetica Chimica Acta published new progress about 57044-25-4. 57044-25-4 belongs to alcohols-buliding-blocks, auxiliary class Epoxides,Chiral,Aliphatic hydrocarbon chain,Alcohol, name is (R)-Oxiran-2-ylmethanol, and the molecular formula is C3H6O2, Application In Synthesis of 57044-25-4.

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