的和α -苄基的(分别为1和2)的衍生物(+) -樟脑已被合成并发现施加在圆二色性Ñ→π有很强的影响*棉效果:1:Δε 301最大-0.36(正-庚烷)和2:相对于樟脑:Δϵ 302 max +3.22:Δϵ 304 max +1.8(正庚烷)。在n→π * UV中发现了这些γ,δ-不饱和系统中电偶极跃迁耦合的证据:UV:1:ϵ 291 max 84(正庚烷)和2:ϵ 285 max 303,相对于樟脑:290 290最多25个。
One-Pot Etherification of Ketones and Aldehydes with Organic Halides Using Sodium Hydride as a Reductant
作者:Qingwei Meng、Bin Gong、Chuang Hui、Zhanxian Gao
DOI:10.1080/00397910802579178
日期:2009.4.22
Abstract One-pot etherification reaction of aromatic and some aliphatic carbonylcompounds with organic halides in the presence of sodium hydride as a reducing reagent proceeded smoothly in dioxane, a polar solvent with higher boiling point, to provide desired ethers in moderate to high yields.