A method for labelling Iodobenzene with 131I
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Utilizando CI131 en lugar de 131I2 Marcilio y Barberio [4] obtuvieron un rendimiento de 75° con 5 h de irradiación con una lámpara de tungsteno. En este experimento la reacción principal es un intercambio entre cloro y yodo con un rendimiento superior a 98° [5,6]; provoca, sin embargo, la contaminación del yodobenceno con clorobenceno. Hemos desarrollado un método sencillo, rápido y libre de reacciones secundarias, para el marcaje de yodobenceno con un alto rendimiento.
Using CI131 instead of 131I2 Marcilio and Barberio [4] obtained a 75° yield witlh 5h irradiation with a tungsten lamp. In this experiment the main reaction is an interchange between chlorine and iodine with a yield higher than 98° [5,6]; it causes, however contamination of iodobenzene with chlorobenzene. We have developed a simple and quick method free of secondary reactions, for the labelling of iodobenzene with a high yield.
Using CI131 instead of 131I2 Marcilio and Barberio [4] obtained a 75° yield witlh 5h irradiation with a tungsten lamp. In this experiment the main reaction is an interchange between chlorine and iodine with a yield higher than 98° [5,6]; it causes, however contamination of iodobenzene with chlorobenzene. We have developed a simple and quick method free of secondary reactions, for the labelling of iodobenzene with a high yield.