Influence of electron donating aromatic substituents on the ruthenium tetroxide-catalysed oxidation of (±)-podocarpa-8,11,13-trienes
作者:Sukumar Ghosh、Usha Ranjan Ghatak
DOI:10.1016/s0040-4020(01)88267-3
日期:1992.1
and the diketone 9. Similar oxidation reaction of the hexahydrophenanthrene 7a led to the α, β-unsaturated tricyclic ketone 11a and the tetrahydronaphthalene dicarboxylic anhydride 12. In contrast, 7b produced the diketone 10b and the α,β-unsaturatedketone 11b as the sole isolated products.