Lanthanide shift reagents. IX. Proton an
✍
David M. Rackham; Anthony F. Cockerill; Roger G. Harrison
📂
Article
📅
1978
🏛
John Wiley and Sons
🌐
English
⚖ 231 KB
## Abstract Highly specific proton line‐broadening and paramagnetic ^13^C shifts observed for N‐butyl‐N(4‐methyloxazol‐2‐yl)‐2‐methylpropionamide in the presence of fluorinated lanthanide shift reagents, are absent when non‐fluorinated reagents are used. This unusual behaviour is rationalized in te