A rapid route to aminocyclopropanes via carbamatoorganozinc carbenoids.

Angew Chem Int Ed Engl

Department of Chemistry, University College London, 20 Gordon St, London, WC1H 0AJ (UK) http://www.ucl.ac.uk/chemistry; Department of Applied Molecular Bioscience, Graduate School of Medicine, Yamaguchi University, Ube 755-8611 (Japan).

Published: September 2013

Easy as 1,2,3: Reaction of methyl carbamate, triethyl orthoformate, and readily available alkenes provides a highly practical preparation of protected aminocyclopropanes. The reaction proceeds with preferential cis addition to alkenes, and cleavage of the methyl carbamate gives the free aminocyclopropanes as their HI salts.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4065353PMC
http://dx.doi.org/10.1002/anie.201304720DOI Listing

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