P. Stepnicka et J. Podlaha, SYNTHESIS AND CHARACTERIZATION OF CALCIUM, STRONTIUM AND BARIUM 1'-(DIPHENYLPHOSPHINO)FERROCENECARBOXYLATES, INORGANIC CHEMISTRY COMMUNICATIONS, 1(9), 1998, pp. 332-334
Alkali earth salts of 1'-( diphenylphosphino) ferrocenecarboxylic acid
were synthesized and characterized. Their spectral (NMR, IR, UV) data
indicate a weak O-coordination of the phosphinocarboxylate to metal i
ons in the solid state, the interaction being broken in polar solvents
. By metathesis with sulfates of other metals, the salts might serve a
s potential synthons for the preparation of O,P-chelated or bridged co
mplexes which are inaccessible by more straightforward methods. (C) 19
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