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Synlett 1995; 1995(SI): 577-578
DOI: 10.1055/s-1995-5295
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Steric vs. Electronic Effects in the Pauson-Khand Reaction

Marie E. Krafft* , Romulo H. Romero, Ian L. Scott
  • *Department of Chemistry, The Florida State University, Tallahassee, FL 32306-3006
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Publication Date:
31 December 2000 (online)

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Reaction of the dicobalthexacarbonyl complex of ethyl propiolate yields 5 rather than the expected 6 as the major regioisomer suggesting an overriding effect of steric interactions over electronic effects during cycloaddition.

Pauson-Khand cycloaddition