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1 INTRODUCTION The synthesis of chiral clusters containing four different atoms at the vertexes of the tetrahedron has been extensively studied because the chiral cluster can induce an asymmetric catalysis potentially[1]. Until now, many tetrahedron-type chiral clusters have been reported, but only a few of the reactions about the organic group in these clusters were investi- gated[2~4]. In this paper, we described the syntheses of clusters 3 and 4, and the structure of the former. 2 … 相似文献
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