SEARCH Articles Figures Tables A-Sulfenylacetamide cyclization to erythrinans Applications erythrinane Aromatic erythrinan alkaloids Aromatic erythrinan alkaloids synthesis Erythrinan Erythrinan acyliminium ions Erythrinan alkaloids Erythrinan skeleton Erythrinan synthesis Erythrinane Erythrinane alkaloids Erythrinane derivatives Erythrinane skeleton Erythrinane skeleton synthesis Erythrinans Ring expansion of erythrinan-3-one