Synthesis and characterization of cyclopentadienyldicarbonyl-iron S-bonded monothiocarboxylates, FeCp(CO)2SCOR. Crystal structure of FeCp(CO)2SCO(2-NO2C6H4)

Add time:07/29/2019    Source:sciencedirect.com

The reactions of organoiron sulfanes (μ-Sx)[FeCp(CO)2]2 (x = 3, 4) with acid chlorides, RCOCl, produce the new organoiron thiocarboxylates, FeCp(CO)2SCOR, where R = 2-CH3C6H4, I; R = 2-CH3COOC6H4, II; R = 3,5-(O2N)2C6H3, III; R = 2-O2NC6H4, IV and R = 2-FC6H4, V. The organoiron, thioterephthalate (CO)2CpFeSCOC6H4COSFeCP(CO)2 (VI) has also been prepared. The new complexes were characterized by IR, 1H NMR and elemental analysis and the crystal structure of complex IV was determined by X-ray diffractionComplex IV crystallises in the monoclinic system, space group P21/c with a 923.9(4), b 1132.2(4), c 1497.6(7) pm; β 106.87(4)°; dcalc 1.64 g cm−3; μ 11.3 cm−1; Z = 4; R1 = 0.0414 and R2 = 0.0455. The thiocarboxylate group is bonded to the iron atom through sulfur.

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