Intermolecular hydrogen binding of a chiral host and a prochiral imidazolidinone: enantioselective Norrish–Yang cyclisation in solution
- 13 March 2001
- journal article
- Published by Royal Society of Chemistry (RSC) in Chemical Communications
- No. 7,p. 607-608
- https://doi.org/10.1039/b100300n
Abstract
The Norrish–Yang cyclisation of a prochiral imidazolidinone which was conducted in the presence of a chiral host afforded enantiomerically enriched (up to 26% ee) 1,3-diazabicyclo[3.3.0]octanones in good yields (73–86%) with a distinct preference for the exo-diastereoisomer (dr = 77/23–90/10).Keywords
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