Controlled synthesis of mono-substituted diphosphine iron thiocarboxylate complexes CpFe(CO)(Ph2P(CH2)(n)PPh2)SCOR [n=1 (dppm), n=2 (dppe)]. X-ray crystal structure of CpFe(CO)(dppm-S)SCO-3,5-(NO2)(2)C6H3

摘要

Controlled photolytic CO-substitution reaction of the organoiron thiocarboxylate complexes CpFe(CO)(2)SCOR (R=CH3, 2-NO2C6H4, 4-NO2C6H4, 3,5-(NO2)(2)C6H3) with diphosphines (Ph2P(CH2)(n)PPh2) [n = 1 (dppm), n = 2 (dppe)] at 0 degreesC using 1:1 (metal:ligand) molar ratio afforded exclusively the monosubstituted complexes CpFe(CO)(Ph2P(CH2)nPPh2)SCOR. The complex CpFe(CO)(Ph2PCH2P = S(Ph)(2))SCO-3,5-(NO2)(2)C6H3 has been prepared and its X-ray structure was determined. (C) 2003 Elsevier Ltd. All rights reserved. [References: 18]