The enantioselective [2 + 2] cycloaddition of alkynes possessing an ester functionality and norbornene derivatives proceeded efficiently using a chiral rhodium catalyst. The chiral tri- and tetracyclic cyclobutenes were obtained in moderate to high ee.
|Number of pages||3|
|Publication status||Published - 2006 Mar 30|
ASJC Scopus subject areas
- Physical and Theoretical Chemistry
- Organic Chemistry