作者:Shlomo Levinger、Shimon Shatzmiller
DOI:10.1016/0040-4020(78)80053-2
日期:1978.1
The Ag+ induced reaction of α-chloronitrones with unsaturated ethers goes in two parallel competitive directions. On the one hand cycloadducts like 3 are formed and on the other hand oxonium ions like 4. Formation of analogous oxonium compounds occurs also when α-alkoxynitrones are treated with Et3O+BF4− in 1,2-dichloroethane. Formation of oxonium compounds with the enol-ethers is practically irreversible
Ag +诱导的α-氯硝酮与不饱和醚的反应在两个平行的竞争方向上进行。上形成一方面cycloadducts像3和在另一方面氧鎓离子如4.形成类似氧鎓化合物也发生在α-alkoxynitrones被用Et处理3 ö + BF 4 -的1,2-二氯乙烷。氧烯化合物与烯醇醚的形成实际上是不可逆的,并导致烯醇醚断裂。与饱和醚一起形成了类似于25的化合物,并将其用作N-烷基-N-乙烯基-亚硝鎓离子的潜在来源。