G. Sartori, F. Bigi, G. Casiraghi
1983
Citations
0
Influential Citations
5
Citations
Journal
Tetrahedron
Abstract
Abstract A mild synthesis of ethyl 6-(2-hydroxyphenyl)-2-carbethoxy-4-hexenoates ( 4 ) (SnCl 4 -promoted o -specific alkylation of potassium phenolates 1 with diethyl vinylcyclopropane-1, 1-dicarboxylates 2 ) involves an oriented hexacoordinated substrate-reagent complex 3 , accounting for both o -specific attack on the phenol, and 1,7-homoconjugate addition to the vinylcyclopropane.