The synthesis of 99-acetoxy-3(4), 11(13)-dien-5αH 7αH-12-eudesmanoic acid methyl ester (2) was achieved from oxycarvone. The key step is the p-toluenesulfonhydrazide assisted reductiv rearrangement reaction
The first total synthesis of(-)-3-oxoeudesma-1,4,11(13)-trien-7αH-12-oic acid 1 has been described.The key step is one-pot reaction involving dehydrogenation and allylic oxidation with selenium dioxide.
文摘The synthesis of 99-acetoxy-3(4), 11(13)-dien-5αH 7αH-12-eudesmanoic acid methyl ester (2) was achieved from oxycarvone. The key step is the p-toluenesulfonhydrazide assisted reductiv rearrangement reaction
文摘The first total synthesis of(-)-3-oxoeudesma-1,4,11(13)-trien-7αH-12-oic acid 1 has been described.The key step is one-pot reaction involving dehydrogenation and allylic oxidation with selenium dioxide.