Chemistry Publications
Document Type
Article
Publication Date
10-6-2010
Journal
Organic letters
Volume
12
Issue
21
First Page
4736
Last Page
4738
Abstract
The cycloaddition between 2-alkoxy-1,1-cyclobutane diesters and aromatic, heteroaromatic, or aliphatic aldehydes under Yb(OTf)(3) catalysis generates tetrahydropyrans in high yields with exclusive cis-stereochemistry.
