Six novel 12-alkoxycarbonylmethylene-1,15-pentadecanolides （3） were synthesized from 2-nitrocyclo-dodecanone by the Michael addition with acrolein followed by ring enlargement, Nef reaction and Wittig-Homer reaction...Six novel 12-alkoxycarbonylmethylene-1,15-pentadecanolides （3） were synthesized from 2-nitrocyclo-dodecanone by the Michael addition with acrolein followed by ring enlargement, Nef reaction and Wittig-Homer reaction. Their structures were confirmed bv 1H NMR, IR and elemental analysis. The preliminary bioassay showed that they have some fungicidal activity.展开更多
文摘Six novel 12-alkoxycarbonylmethylene-1,15-pentadecanolides （3） were synthesized from 2-nitrocyclo-dodecanone by the Michael addition with acrolein followed by ring enlargement, Nef reaction and Wittig-Homer reaction. Their structures were confirmed bv 1H NMR, IR and elemental analysis. The preliminary bioassay showed that they have some fungicidal activity.
