作者:Kwanghee Koh Park、Jinsuk Jeong
DOI:10.1016/j.tet.2004.11.022
日期:2005.1
Naphtho[1,2-b]furans 1a–f, naphtho[2,1-b]furans 2a–f, benzo[1,2-b:5,4-b′]difurans 3a–b, benzo[1,2-b:4,5-b′]difurans 4a–b, and benzo[1,2-b:4,3-b′]difurans 5a–b were synthesized by base-catalyzed cyclization reaction of the corresponding o-alkoxybenzoylarene derivatives. The o-alkoxybenzoylarenes were obtained from the etherification reaction of the o-hydroxybenzoylarenes, which were prepared either
萘并[1,2- b ]呋喃1a - f,萘并[2,1- b ]呋喃2a - f,苯并[1,2- b:5,4- b ']双呋喃3a - b,苯并[1,通过相应的邻烷氧基苯并芳基芳烃的碱催化环化反应合成了2- b:4,5- b ']二呋喃4a - b和苯并[1,2- b:4,3- b ']二呋喃5a - b衍生品。该Øα-烷氧基苯甲酰基芳烃是由邻羟基苯甲酰基芳烃的醚化反应制得的,该反应是通过在氯化铝存在下甲氧基芳烃与苯甲酰氯的反应或通过芳基苯甲酸酯的光-弗里斯重排而制备的。