Supporting Information
Detailed experimental procedures for the synthesis of complexes 5a–d, 6a, 6c and 6d, and procedures for the catalysis are available in the supporting information. The CIF files of crystal structures 5a–d have been deposited with the CCDC, No. 793640–793643, respectively. Copies of the data can be obtained free of charge on applications to CCDC, 12 Union Road, Cambridge CB2 1EZ, UK, fax: +44 1223 336 033; http://www.ccdc.cam.ac.uk; e-mail: deposit@ccdc.cam.ac.uk.
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