作者:Daniel J. Tate、Mohamed Abdelbasit、Colin A. Kilner、Helena J. Shepherd、Stuart L. Warriner、Richard J. Bushby
DOI:10.1016/j.tet.2013.11.029
日期:2014.1
3,6,8,11-Tetramethoxybenzo[j]fluoranthene can be made from 1,6-dimethoxynaphthalene in a one-pot ferric chloride oxidation/methanol reduction procedure. The reaction is tolerant of the presence of substituents in the 7-position of the naphthalene nucleus and provides a quick and easy route to these particular benzo[j]fluoranthenes. The reactions presumably proceed through initial formation of a bond
3,6,8,11-四甲氧基苯并[ j ]荧蒽可由一锅法氯化铁氧化/甲醇还原程序由1,6-二甲氧基萘制得。该反应可耐受在萘核的7位上存在取代基,并为这些特定的苯并[ j ]荧蒽提供了快速简便的途径。该反应大概是通过在两个萘分子的4位之间最初形成键,然后关闭五元环而进行的。实际上,在一种情况下,从反应混合物中分离出一些4,4'-联萘,通常发现苯并[ j]的收率更高。从4,4'-联萘开始而不是通过使用萘作为起始原料获得]芴。以类似于从4,4-烷氧基苯基萘开始的4,4′-联萘的闭环的方式,可以得到6,4-烷氧基荧蒽。