Gold-catalyzed reactions of 2-(ynol)aryl aldehydes were investigated. Benzochromanes were obtained from the reaction when AuCl3 was employed as the catalyst, whereas benzobicyclo[n.3.1]acetals were produced when triazole−gold was employed as the catalyst. Plausible mechanisms are discussed.
研究了
金催化的2-(ynol)芳基醛的反应。当使用AuCl 3作为催化剂时,从反应中获得苯并二氢
吡喃,而当使用三唑-
金作为催化剂时,则生成苯并双环[ n .3.1]
缩醛。讨论了可能的机制。