RETRACTED: Catalytic C-CN activation and asymmetric cyanoamidation of alkenes: total syntheses of (+)-horsfiline, (−)-coerulescine, and (−)-esermethole

This article has been retracted: please see Elsevier Policy on Article Withdrawal (http://www.elsevier.com/locate/withdrawalpolicy).This article has been retracted at the request of the author. The author has discovered some irregularities in unpublished data related to the chemistry described in this paper. This discovery prompted the author to conduct a thorough review of the above manuscript. As a part of this review, the author and current members of the author's research research group experimentally checked some of the work in this paper. Some of the results, the enantiomeric excess values in particular, were not reproducible. Therefore, the author wishes to retract this publication.