The gold(I)-catalyzed [2 + 2] cycloaddition of large 1,n-enynes (n = 10-16) provides access to 9- to 15-membered ring macrocycles incorporating a cyclobutene moiety. The reaction requires the use of a gold(I) catalyst bearing a sterically hindered biphenylphosphine ligand.
Gold(I)-Catalyzed Macrocyclization of 1,<i>n</i>-Enynes
作者:Carla Obradors、David Leboeuf、Juhanes Aydin、Antonio M. Echavarren
DOI:10.1021/ol400358f
日期:2013.4.5
The gold(I)-catalyzed [2 + 2] cycloaddition of large 1,n-enynes (n = 10-16) provides access to 9- to 15-membered ring macrocycles incorporating a cyclobutene moiety. The reaction requires the use of a gold(I) catalyst bearing a sterically hindered biphenylphosphine ligand.