Now showing items 1-2 of 2
Reactive Intermediates in the Photolysis of Furan, Thiophene and Pyrrole: The Dewar and the Ring Contraction forms
Five-member aromatic heterocycles have been known to undergo scrambling of the ring atoms upon photolysis. These reactions are characterized by their selectivity and several mechanisms have been proposed involving the ...
El Uso de Plaguicidas en América Latina: Tendencias e implicaciones ambientales (Memoria Encargada)
Pesticide Use in Latin America: Trends and Environmental Implications
The current demand for pesticides in Latin America exceeds US $ 2000 million in value. Up to 1990, consumption is expected to rise by 7 to 12%. The use of pesticides has been fully accepted in Lati America as a readily ...