Synthese d'acyl-7 methyl-10 octahydronaphtalenones-3 et d'acyl-7 steroides
The 1-6 addition of lithiated arylacetonitriles 4 or of cyanohydrin ethers 3a, 3b, either to bicyclic 5a or to steroidal α β γ δ dienones 2 and 6 requires anionic activation, since the yields are higher in THF-HMPA than in pure THF.All these reagents atta