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. Author manuscript; available in PMC: 2012 Sep 7.
Published in final edited form as: J Am Chem Soc. 2011 Aug 16;133(35):13984–14001. doi: 10.1021/ja203733q

Table 5.

The Cu-Cu distances in various copper salts or complexes evaluated in CuAAC reactions.

dicopper(II)
silicotungstate26 		Cu(OAc)227 [R-C=C-Cu]n33 CuOAc62
Cu-Cu/Å 2.8176 2.64 (this work) 2.5–2.877 2.5563
Oxidation state +2 +2 +1 +1
Induction period YES YES NO NO