ChemInform Abstract: A Formal Total Asymmetric Synthesis of (+)-Thienamycin.
Abstract
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ChemInform Abstract
The enantiomerically pure synthon (V) of the title compound (+)-(VI) is synthesized via a 13-step sequence. The pivotal reaction is the highly diastereoselective Michael addition of the differentially protected Li amide (II) to the unsaturated ester (I).