Et3B, an Efficient Mediator for Xanthate Transfer Based Radical Processes
DOI:
https://doi.org/10.29356/jmcs.v51i4.1283Keywords:
Xanthate, triethylborane, radical addition, olefinsAbstract
Abstract. The triethylborane mediated intermolecular addition of diverse carbon radicals, derived from the corresponding xanthates, to allyl acetate (10b) and 4-allyl-1,2-dimethoxybenzene (10a) was studied in various solvents. In most cases, the product yields in wáter at room temperature were as good as, or better than, those obtained using 1,2-dichloroethane as the solvent. In contrast, ethanol in most cases was not a useful solvent in which to conduct these reactions.
Resumen. El trietilborano fue utilizado como iniciador de la reacción de adición intermolecular de diversos radicales alquilo derivados de los correspondientes xantatos al acetato de alilo (10b) y al 4-alil-1,2-dimetoxibenceno (10a). La reacción fue estudiada en diversos disolventes; en la mayoría de los casos, los rendimientos obtenidos en agua a temperatura ambiente fueron mejores que cuando se utilizó 1,2-dicloroetano como disolvente. En contraste, el etanol no fue un disolvente útil para llevar a cabo estas reacciones.
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