Synthesis of -Aryl Carbamates from Aryl(TMP)iodonium Salts via C-N Coupling.

Modular C-N coupling is a desirable way to construct -aryl carbamates, which are privileged scaffolds in active pharmaceutical ingredients. However, there are no broadly applicable metal-free methods for the-arylation of carbamates. Herein, we describe a metal-free approach that uses aryl(TMP)iodonium salts as arylation reagents for cyclic carbamates by exploiting the metal-like reactivity of iodine(III).

Predicting dry matter intake in beef cattle.

Technology that facilitates estimations of individual animal dry matter intake (DMI) rates in group-housed settings will improve production and management efficiencies. Estimating DMI in pasture settings or facilities where feed intake cannot be monitored may benefit from predictive algorithms that use other variables as proxies. This study examined the relationships between DMI, animal performance, and environmental variables.