A new approach to isoprostanes and neuroprostanes featuring cis-dialkyl stereochemistry at the cyclopentane ring has been developed by employing an intramolecular cross-coupling reaction of an alkyl iodide and a tethered alkenylsiloxane for stereoselective installation of a functionalized omega-side chain.
Synthesis and phosphodiesterase activity of carboxylic acid mimetics of cyclic guanosine 3',5'-monophosphate
作者:Deen Tulshian、Michael Czarniecki、Ronald J. Doll、Ho Sam Ahn
DOI:10.1021/jm00061a012
日期:1993.4
Synthetic analogs of the natural product griseolic acid in which a guanine base is substituted for the adenine have been prepared. The best of these compounds inhibits a cyclic guanosine3',5'-monophosphate (cGMP) phosphodiesterase preparation with an IC50 of 0.34 microM but is a very weak inhibitor of a cyclic adenosine 3',5'-monophosphate (cAMP) phosphodiesterase. An exploration of stereochemistry