Phosphanyl‐Substituted Phosphaferrocenes as  p,p ‐Chelate Ligands | Zendy

Ganter Christian | Zendy; Brassat Lutz | Zendy; Ganter Beate | Zendy

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Phosphanyl‐Substituted Phosphaferrocenes as p,p ‐Chelate Ligands

Author(s) -

Ganter Christian,

Brassat Lutz,

Ganter Beate

Publication year - 1997

Publication title -

chemische berichte

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.667

H-Index - 136

eISSN - 1099-0682

pISSN - 0009-2940

DOI - 10.1002/cber.19971301211

Subject(s) - chemistry , chelation , ring (chemistry) , crystal structure , derivative (finance) , medicinal chemistry , metal , yield (engineering) , stereochemistry , crystallography , organic chemistry , materials science , financial economics , economics , metallurgy

Dicyclohexyl‐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 CH 2 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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