Synthesis and X-Ray Crystal Structure of [(thf)4Ca{Fe2(CO)6(µ-CO)(µ-PPh2)}2]
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Keywords

Keywords: Trifluoromethyl compounds; Vilsmeier reaction; Michael addition.

How to Cite

Tareq Mousa Ali Al-Shboul, Helmar Görls, Matthias Westerhausen*. (2009). Synthesis and X-Ray Crystal Structure of [(thf)4Ca{Fe2(CO)6(µ-CO)(µ-PPh2)}2]. Jordan Journal of Chemistry (JJC), 4(2), 111-118. Retrieved from https://jjc.yu.edu.jo/index.php/jjc/article/view/480

Abstract

Abstract

The reactions of [(thf)4Ca(PPh2)2] with the iron carbonyls Fe2(CO)9 and Fe3(CO)12 in THF yield mixtures of iron carbonyl-containing phosphanides which transform upon prolonged heating into [(thf)4Ca{Fe2(CO)6(µ-CO)(µ-PPh2)}2] (1) with a chemical shift of δ(31P) = 127.9 ppm. The distorted octahedrally coordinated calcium atom binds to four THF molecules (av. Ca-O 234.0 pm) and the bridging carbonyl ligand of the complex anions {Fe2(CO)6(µ-CO)(µ-PPh2)}- [Ca-O 229.8(4), Fe-Fe 257.9(2) pm].

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