The Journal of organic chemistry, 77(2), 1202-1207 (2012-01-03)
The alkylation of dienolates generated from 3-methoxycycloalk-2-enones having a 3'-hydroxyl alkenyl chain provides the corresponding quaternized cycloalkenones in a highly diastereoselective manner. The high degree of stereocontrol in the α-quaternization possibly implies intervention of a rigid chelating transition state that
Discovery of orally efficacious melanin-concentrating hormone receptor-1 antagonists as antiobesity agents. Synthesis, SAR, and biological evaluation of bicyclo [3.1. 0] hexyl ureas.
McBriar MD, et al.
Journal of Medicinal Chemistry, 49(7), 1202-1207 (2012)
Proceedings of the National Academy of Sciences of the United States of America, 101(16), 5810-5814 (2004-04-09)
The enantioselective formation of a quaternary stereogenic center coinciding with a hydroxylation process is a very rare reaction from a homogeneous catalysis point of view. Indeed, to our knowledge, no asymmetric transition-metal-catalyzed direct hydroxylation has been reported before. We describe
3-Alkyl-2-aryl-2-cyclopenten-1-one oxime derivatives (1) were studied as a novel class of inhibitors of tumor necrosis factor α (TNF-α) with regard to synthesis and in vitro SAR inhibition of TNF-α. The in vitro IC50 values of these compounds in rat and
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