作者:Georgia E. Williams、Gabriele Kociok-Köhn、Tony D. James、Simon E. Lewis
DOI:10.1039/d0ob02567d
日期:——
Guaiazulene is an alkyl-substituted azulene available from natural sources and is a much lower cost starting material for the synthesis of azulene derivatives than azulene itself. Here we report an approach for the selective functionalisation of guaiazulene which takes advantage of the acidity of the protons on the guaiazulene C4 methyl group. The aldehyde produced by this approach constitutes a building
愈创木烯是可从天然来源获得的烷基取代的z,并且是合成a衍生物的成本低得多的起始原料。在这里,我们报告了对愈创木酚的选择性功能化的一种方法,该方法利用了愈创木酚C4甲基上质子的酸度。通过这种方法产生的醛构成了构建七元环上取代的天青烯的基础。已经报道了通过烯基化,还原和缩合合成的该醛的衍生物,并且已经研究了这些衍生物的子集的盐致变色性质。