Lanthanide shift reagents. II. (a) Photochemical ring expansion of a .beta.-lactam and product identification using LSR [lanthanide shift reagents] NMR shifts and x-ray crystallography. (b) Probable structure of an LSR-substrate complex in solution. (c) Conformational analysis using LSR NMR data
- 1 March 1973
- journal article
- Published by American Chemical Society (ACS) in Journal of the American Chemical Society
- Vol. 95 (6) , 1968-1977
- https://doi.org/10.1021/ja00787a042