100054-98-6Relevant articles and documents
Resolution of nitrogen-centered chiral tetraalkylammonium salts: application to [1,2] Stevens rearrangements with N-to-C chirality transmission
Tayama, Eiji,Otoyama, Seijun,Tanaka, Hiroyuki
experimental part, p. 2600 - 2608 (2010/03/24)
The resolution of N-chiral, amino acid-derived quaternary ammonium salts is demonstrated by using chiral BINOL as a complexing agent. Determination of the enantiopurities and absolute configurations of the resolved N-chiral tetraalkylammonium salts are described. The [1,2] Stevens rearrangement of N-chiral ammonium salts is shown to proceed with N-to-C chirality transmission to afford optically active 3-substituted morpholin-2-one derivatives.