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For the past 50 years, Professor Gary H. Posner has made a significant impact on the field of synthetic organic chemistry. This short review aims to briefly highlight just some of his major contributions, including: (1) early work in the development of organocopper chemistry, specifically cross coupling reactions and the synthesis of non-symmetrical ketones; (2) chiral transfer reactions using both...
In this report, several new epoxide examples were united with β-silyl ketone enolates for the construction, after oxidative fragmentation, of ring expanded lactones, n+3 atoms in size. Importantly, azido lactones were found to be valuable in an extension of this protocol involving the n+3+p expansion into a series of hydroxyolefinic lactams. We also document a short, stereoselective total synthesis...
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