Copper (II) trifluoromethanesulfonate, its chiral bisoxazoline complex, and bismuth (III) chloride efficiently catalyze the intramolecular cycloaddition reactions of N-vinyloxypropyl-2-cyano-1-azadienes 2. Both the scope of this process and the reaction conditions were studied.
三氟甲磺酸铜(II),其手性双
恶唑啉配合物和
氯化铋(III)有效催化N-
乙烯基氧基丙基-2-
氰基-1-氮杂二烯的分子内环加成反应2。研究了该方法的范围和反应条件。