Gold-Catalyzed Cascade Annulations of 2-(Ynol)aryl Aldehydes: Facile Synthesis of Benzochromanes and Benzobicyclo[n.3.1]acetals

作者：Liu Le Ping; Hammond Gerald B^*

来源：Organic Letters, 2010, 12(20): 4640-4643.

DOI：10.1021/ol101985d

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.

• 出版日期2010-10-15