A flexible asymmetric synthesis of the tetracyclic core of berkelic acid using a Horner–Wadsworth–Emmons/oxa-Michael cascade

Zoe E. Wilson, Margaret A. Brimble
2010 Organic and biomolecular chemistry  
doi:10.1039/b927219b pmid:20204195 fatcat:k7jps6v4sre3ppxr4hrm2vu7ji