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Hemilabile Properties of Chelate Iron Complexes: Synthesis and Structure of Oxametallacycles

✍ Scribed by Géraldine Poignant; Sourisak Sinbandhit; Loïc Toupet; Véronique Guerchais

Publisher
John Wiley and Sons
Year
1998
Tongue
English
Weight
165 KB
Volume
1998
Category
Article
ISSN
1434-1948

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✦ Synopsis

Oxametallacycles [Fe(C 5 Me 5 )(CO){C 3 (C 6 H 4 -o-Cl)(CO 2 Me)-[Fe(C 5 Me 5 )(CO){C 3 (C 6 H 4 -o-PMe 3 )(CO 2 Me)(OMe)O a }(Fe-O a )][OTf] (3) is formed only for the bis(ester) derivative, via (R)O a }(Fe-O a )] (2, R = OMe; 4, R = Me) are accessible from the chelate (chloroaryl)carbene complex [Fe(C 5 Me 5 )(CO)-Ar-Cl bond activation. No reaction occurs for 4, for which the coordination of the acetyl group has been supported by an {C(OMe)C 6 H 4 -o-Cl a }(Fe-Cl a )][OTf] (1) upon treatment with the appropriate carbanions. Their formation arises from the X-ray analysis. lability of the chlorine atom. The related phosphonium salt

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