Synthesis of ethyl cis 2-[(Diethoxyphosp
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Gholam H. Hakimelahi; Ali A. Jarrahpour
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Article
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1989
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John Wiley and Sons
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German
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The synthesis of a d'carbapenem and two ,?-lactams possessing a Br-atom at the N-substituting center not involved in the lactam ring and bearing the carboxyl group is described. The ,?-lactams having this kind of Br-substitution are more susceptible to nucleophilic attack than those having a conjuga