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ID: ALA1159092
Journal: Bioorg Med Chem Lett
Title: Polar 3-alkylidene-5-pivaloyloxymethyl-5'-hydroxymethyl-gamma-lactones as protein kinase C ligands and antitumor agents.
Authors: Kang JH, Kim Y, Won SH, Park SK, Lee CW, Kim HM, Lewin NE, Perry NA, Pearce LV, Lundberg DJ, Surawski RJ, Blumberg PM, Lee J.
Abstract: A series of DAG-lactones with polar 3-alkylidene substituents have been investigated as PKC-alpha ligands and antitumor agents. Extensive analysis of structure-activity relationships for the 3-alkylidene chain revealed that polar groups such as ether, hydroxyl, aldehyde, ester, acyloxy, and amido were tolerated with similar binding affinities and reduced lipophilicities compared to the corresponding unsubstituted alkylidene chain. Among the derivatives, compounds 5, 6 and 8 with an ether type of side chain showed high binding affinities in range of K(i)= 3-5 nM and excellent antitumor profiles, particularly against the colo205 colon cancer and the K562 leukemia cell lines.
CiteXplore: 20045644