Catalytic (10 mol%) methylaluminum dichloride was found to be an efficient catalyst for the intramolecular Diels-Alder reaction of the furan diene providing oxatricyclo adducts at −65°C within two hours in yields ranging from good to excellent.
发现催化型(10 mol%)的二
氯化甲基铝是
呋喃二烯的分子内Diels-Alder反应的有效催化剂,该
呋喃二烯在-65°C下在两个小时内提供了氧
三环加合物,收率范围从好到极。