Total Synthesis and Repudiation of the Helianane Family
作者:Jason C. Green、Sandra Jiménez-Alonso、Eric. R. Brown、Thomas R. R. Pettus
DOI:10.1021/ol2022214
日期:2011.10.21
confirmation of their actual structures was a diastereoselective inverse-demand Diels–Alder reaction between an optically active enol ether and an ortho-quinone methide species, which was generated in situ at low temperature by the sequential addition of methylmagnesiumbromide and di-tert-butyl dicarbonate to a salicylaldehyde.