Stereocontrolled Synthesis of Carbon Chains Bearing Contiguous Methyl Groups by Iterative Boronic Ester Homologations: Application to the Total Synthesis of (+)-Faranal
作者:Guillaume Dutheuil、Matthew P. Webster、Paul A. Worthington、Varinder K. Aggarwal
DOI:10.1002/anie.200901194
日期:——
the chain: A quadruple homologation of a boronic ester converts a simple vinyl iodide into a complex precursor to faranal with very high levels of diastereo‐ and enantiocontrol. This enables the synthesis of (+)‐faranal to be completed in just six steps and 18 % overall yield from propyne.