Selective and adaptable access to N,N-asymmetrically substituted imidazol-2-ylidene bis-NHC ligands: Pd(ii) complexes featuring wide variation in N-alkyl and aryl steric bulkCCDC 913061913064, 913066913068 for 47, 5a, S1 and S2. For crystallographic data in CIF or other electronic format see DOI: 10.1039/c3dt32895c
N , N -Asymmetrically substituted, methylene-linked bis(imidazol-2-ylidene) complexes have been prepared subsequent to a selective synthesis of the bis(imidazolium) salt precursors involving the quarternisation of N -alkyl and -aryl imidazoles with N -halomethyl imidazolium salts. The adaptability o...
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