1) Gold-catalyzed tandem cycloisomerization/Petasis–Ferrier rearrangement: a direct route to 3-alkoxyindanones from enynals and alcohols.

Ziping Cao,*a Huaqing Zhang,a Xiaoxiang Zhang,b Ludan Zhang,a Xin Meng,a

Guang Chen,a Xian-En Zhao,a Xuejun Suna and Jinmao You*a

RSC Adv., 2015, 5, 103155-103158. (http://pubs.rsc.org/en/Content/ArticleLanding/2015/RA/C5RA24541A) 

A method to prepare 3-alkoxyindanones efficiently by gold-catalyzed tandem cycloisomerization/Petasis-Ferrier rearrangement from ortho-ethynylarylaldehydes with alcohols is described. The reaction was accomplished inmoderate to excellent yields under mild reaction conditions and also offers a convenient synthetic route to 3-

alkoxycyclopentenones.