Synthetic study for two 2<i>H</i>-chromenic acids, 8-chlorocannabiorcichromenic acid and mycochromenic acid
作者:Seiji Yamaguchi、Masahiro Nedachi、Mikiko Maekawa、Yohei Murayama、Masahiro Miyazawa、Yoshiro Hirai
DOI:10.1002/jhet.5570430105
日期:2006.1
Two 2H-chromenes having a fully substituted benzene ring, 8-chlorocannabiorcichromene (1) and mycochromenic acid (2), were synthesized by a condensation of salicylaldehydes with isopropylidenemalonate or the thermal cyclization of corresponding propargyl ethers.
通过水杨醛与异亚丙基丙二酸酯的缩合反应或相应的炔丙基醚的热环化反应,合成了两个具有完全取代的苯环的2 H-苯甲基,8-氯代大麻二酚(1)和麦考色素酸(2)。