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Initially, the direct arylation of benzothiazole with iodo-benzene was chosen as a model reaction and the roles of various metal¨CTMHD complexes, bases and solvents were investigated ( Table 1). Complexes of Ru and Co were found to be completely ine ective using the present conditions, whereas Cu(TMHD)2 was found to give only a 20% yield. In comparison, Pd(TMHD)2 was found to be highly active providing an excellent yield (86%) of the desired product.

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sltmac: ½ð±Ò+1 2012-05-07 08:48:02
Õų¬·å: ½ð±Ò+15, ·­ÒëEPI+1 2012-05-08 09:22:53
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