The cyclopropylamine moiety is common in bioactive natural products as well as in synthetic pharmaceutical candidates. [ 1 1. Kulinkovich , OG ; de Meijere , A. n-Dicarbanionic titanium intermediates from monocarbanionic organometallics and their application in organic synthesis. Chem. Rev. 2000 , 100 , 2789 – 2834 . [CrossRef], [PubMed], [Web of Science ®] View all references ] Oxidative ring opening has been reported for several enzymatic systems, [ ...