N-(1′-Benzotriazolylmethyl)-5-phenylmorpholin-2-one: A Stable Crystalline Chiral Azomethine Ylid Precursor
作者:David J. Aldous、Estelle M.-N. Hamelin、Laurence M. Harwood、Sukanthini Thurairatnam
DOI:10.1055/s-2001-18763
日期:——
The crystalline adduct of (5S)-5-phenylmorpholin-2-one with formaldehyde and benzotriazole on treatment with acid generates an azomethine ylid which may be trapped with a range of dipolarophiles in yields superior to those using in situ generation methodology.