Cycloalkenobezofurans 5a-d were prepared in one-pot reaction from methoxyhydroquinone, 2,6- and 2,3-dialkoxyhydroquinone (1) with cycloalkenediol (2). Reaction between the isomeric 2,5-dialkoxyhydroquinones (9) with diol 2 led to the formation of monoalkoxybenzofurans 5d-g with the loss of an alkoxy group.
Cycloalkenobezofurans图5a-d是在一锅反应来制备由甲氧基
氢醌,2,6-和2,3- dialkoxyhydroquinone(1)配有cycloalkenediol(2)。异构体2,5-二烷氧基
氢醌(9)与二醇2之间的反应导致单烷氧基
苯并呋喃5d-g的形成,但失去了烷氧基。