Synthesis of substituted anthracenes, pentaphenes and trinaphthylenes via alkyne-cyclotrimerization reaction
作者:Naoko Saino、Tsuyoshi Kawaji、Taichi Ito、Yuko Matsushita、Sentaro Okamoto
DOI:10.1016/j.tetlet.2009.12.130
日期:2010.3
The [2+2+2] cycloaddition reaction of 1,6-diynes 3 with 4-aryl-2-butyn-1-ols 4 and the following oxidation of the resulting benzylic alcohols to the aldehydes 1 and then treatment with an acid catalyst provided annulated anthracenes 2 in good yields.
1,6-二炔3与4-芳基-2-丁炔-1-醇4的[2 + 2 + 2]环加成反应,然后将所得苄醇氧化为醛1,然后用酸催化剂处理提供了高产率的环状蒽2。