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2,2′-Diethynylbiphenyl was prepared in a three step sequence from commercially available 2,2′-bis(bromomethyl)biphenyl and subsequently reacted with the phosphinegold(I) complexes [AuCl(P)] (P=PEt 3 , PCy 3 , P t Bu 3 , PPh 3 , PTA) in the presence of base to give the bis(alkynyl) gold(I) complexes [(P)Au(deb)Au(P)] in good yields as air-stable solids. The compounds...
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