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Phosphanyl‐Substituted Phosphaferrocenes as p,p‐Chelate Ligands
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AbstractDicyclohexyl‐acid diphenylphosphanyl‐substituted phosphaferrocenes 2 and 3 were synthesized by substitution of the amino group in 2‐dimethylaminomethyl‐3,4,‐dimethylphosphaferrocene 1 · Homologization of 2‐formyl‐3,4‐dimethylphosphaferrocene 4 by one CH2 unit via Wittig olefination provided access to the phosphanylethyl derivative 9. Ligands 2, 3 and 9 formed P, P‐chelate complexes with tetracarbonyl metal fragments in good yield. X‐ray crystal structure determinations were carried out for the five‐ring chelate complex 2. Mo(CO)4 (≡ l0), and the six‐ring chelate complex 9 . Mo(CO)4, (≡ 13).
Title: Phosphanyl‐Substituted Phosphaferrocenes as p,p‐Chelate Ligands
Description:
AbstractDicyclohexyl‐acid diphenylphosphanyl‐substituted phosphaferrocenes 2 and 3 were synthesized by substitution of the amino group in 2‐dimethylaminomethyl‐3,4,‐dimethylphosphaferrocene 1 · Homologization of 2‐formyl‐3,4‐dimethylphosphaferrocene 4 by one CH2 unit via Wittig olefination provided access to the phosphanylethyl derivative 9.
Ligands 2, 3 and 9 formed P, P‐chelate complexes with tetracarbonyl metal fragments in good yield.
X‐ray crystal structure determinations were carried out for the five‐ring chelate complex 2.
Mo(CO)4 (≡ l0), and the six‐ring chelate complex 9 .
Mo(CO)4, (≡ 13).
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