Ruthenium-catalysed ortho alkylation of hydroxyacetophenones; the functionalisation of ring C aromatic diterpenoids
作者:Paul W.R. Harris、Paul D. Woodgate
DOI:10.1016/0022-328x(95)05893-t
日期:1996.1
Reaction of 2-, 3-, or 4-hydroxyacetophenone with a catalytic amount of a ruthenium complex and excess of a vinyltrialkoxysilane results in ortho alkylation in high yield, providing that a suitable protecting group is used. Bicyclic and tricyclic analogues react similarly.