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[Cu 4 (ddtp) 2 Br 4 ], a Unique Tetranuclear Copper(I) Complex with Bridging Thioethers and Bridging Bromides
Author(s) -
Stoffels Adrianus L. E.,
Haanstra Willem G.,
Driessen Willem L.,
Reedijk Jan
Publication year - 1990
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.199014191
Subject(s) - thioether , copper , bridging (networking) , sn2 reaction , chemistry , crystallography , acetone , boiling , polymer chemistry , stereochemistry , organic chemistry , computer science , computer network
A spontaneous reduction of Cu II to Cu I takes place when CuBr 2 is allowed to react with the tridentate SN 2 ligand ddtp in boiling ethanol/ acetone. The Cu 4 title complex obtained contains thioether bridges with large Cu‐S distances and Cu‐S‐Cu angles (160.6°!). The Cu 2 Cu 2 rectangular structure is without precedent for Cu I complexes. [Cu 4 (ddtp) 2 Br 4 ] can serve as reference compound for EXAFS studies on blue copper‐proteins.