Abstract
The reaction of methyl substituted N-(2-thienylmethylidene)benzylamine ( 1) with Fe 2(CO) 9 in benzene gives endo cyclometalated (μ-η 1:η 2-thienyl; η 1:η 1( N))hexacarbonyldiiron complexes ( 2 and 5), exo cyclometalated (μ-η 1:η 2-phenyl; η 1:η 1( N))hexacarbonyldiiron complexes ( 3 and 6) and/or imidoyl triironnonacarbonyl cluster ( 4), in accordance with the position of methyl substituent(s). In complex 3, the thienyl unit of the original Schiff base has been replaced by a phenyl group, which comes from the same Schiff base. The X-ray structure analyses were carried out on complexes 2a, 2b, 2c and 3a.
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