New route to o-terphenyls: application to the synthesis of 6,7,10,11-tetramethoxy-2-(methoxycarbonyl)triphenylene
作者:Elisabetta Brenna、Claudio Fuganti、Stefano Serra
DOI:10.1039/a707738f
日期:——
The hydroxy-o-terphenylcarboxylic acid esters 6a–f have been prepared by benzannulation of the 5,6-diaryl-3-methoxycarbonylhexa-3,5-dienoic acids 5a–f using triethylamine–ethyl chloroformate. The application of this new synthesis of triphenylenes is illustrated through the synthesis of 2-methoxycarbonyl-6,7,10,11-tetramethoxytriphenylene 9.
羟基-o-三苯甲酸酯6a–f是通过使用三乙胺-氯仿酸乙酯对5,6-二芳基-3-甲氧基羧基六烯酸5a–f进行苯环化反应合成的。这种新型三苯烯合成方法的应用通过合成2-甲氧基羧基-6,7,10,11-四甲氧基三苯烯9得以展示。