[reaction--see text] Styryldiazoacetates are effective reactants for ylide formation that results in the formation of dihydropyrroles and dihydroazepines with high stereocontrol and in high yields.
[反应-见正文]
苯乙烯基
重氮乙酸酯是形成叶立德的有效反应物,可形成具有高立体控制和高收率的二氢
吡咯和二氢a庚因。