Cyano bridge copper (I) complexes such as [CuCN(PPh3)(Py)] 2 have been prepared through tIuee different routes, from the known complexes Cu(CN(Py)2 and CuCN(PPh3)2' and were identified as CiHymmetric, trans-symetric and unsymmetric cyano-bridged complexes on the basis of reaction with thiourea.


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