A concise synthesis of (+)-deoxoprosophylline via Co(III)(salen)-catalyzed two stereocentered HKR of racemic azido epoxides

Dattatray A. Devalankar, Arumugam Sudalai
Tetrahedron Letters

Volume 53, Issue 26, 27 June 2012, Pages 3213–3215

http://dx.doi.org/10.1016/j.tetlet.2012.04.067