Stability and donor-acceptor bond in group 13 dinuclear organometallics

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  Organometallics featuring group13-group13 bonds have attracted quite a lot of attention and they are widely used as reagents,catalysts and activators of organic synthesis.[1,2] Among them,the donor-acceptor bond between group 13 elements seems illogical since trivalent compounds of group 13 elements are normally thought of as Lewis acids.
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