Chlorobis(cyclooctene)rhodium dimer: Difference between revisions

Chlorobis(cyclooctene)rhodium dimer
Identifiers
CAS Number	12279-09-3;
ECHA InfoCard	100.152.028
CompTox Dashboard (EPA)	DTXSID00693673 ;
Properties
Chemical formula	C32H56Cl2Rh2
Molar mass	717.50
Appearance	red-brown solid
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

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Chlorobis(cyclooctene)rhodium dimer is an organorhodium compound with the formula Rh₂Cl₂(C₈H₁₄)₄, where C₈H₁₄ is cis-cyclooctene. Sometimes abbreviated Rh₂Cl₂(coe)₄, it is a red-brown, air-sensitive solid that is a precursor to many other organorhodium compounds and catalysts.

The complex is prepared by treating an alcohol solution of hydrated rhodium trichloride with cyclooctene at room temperature.^[1] The coe ligands are easily displaced by other more basic ligands, moreso than the diene ligands in the related complex cyclooctadiene rhodium chloride dimer.

References

^ Van der Ent, A.; Onderdelinden, A. L. "Chlorobis(cyclooctene)rhodium(I) and di-μ-chlorobis[bis(cryclooctene)iridium] (I) complexes" Inorganic Syntheses 1973, volume 14, pp. 92-5. doi:10.1002/9780470132456.ch18

[1] Van der Ent, A.; Onderdelinden, A. L. "Chlorobis(cyclooctene)rhodium(I) and di-μ-chlorobis[bis(cryclooctene)iridium] (I) complexes" Inorganic Syntheses 1973, volume 14, pp. 92-5. doi:10.1002/9780470132456.ch18

[1]

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-'''Chlorobis(cyclooctene)rhodium dimer''' is an [[organorhodium compound]] with the formula Rh<sub>2</sub>Cl<sub>2</sub>(C<sub>8</sub>H<sub>14</sub>)<sub>4</sub>, where C<sub>8</sub>H<sub>14</sub> is ''cis''-[[cyclooctene]].  Sometimes abbreviated Rh<sub>2</sub>Cl<sub>2</sub>(coe)<sub>4</sub>, it is a red-brown, air-sensitive solid that is used as a precursor to many other organorhodium compounds and catalysts.  It is prepared by treating an alcohol solution of [[water of crystallization|hydrated]] [[rhodium trichloride]] with cyclooctene at room temperature.<ref>Van der Ent, A.; Onderdelinden, A. L. "Chlorobis(cyclooctene)rhodium(I) and di-μ-chlorobis[bis(cryclooctene)iridium] (I) complexes" Inorganic Syntheses 1973, volume 14, pp. 92-5. {{DOI|10.1002/9780470132456.ch18}}</ref>  The coe ligands are easily displaced by other more basic [[ligand]]s, moreso than the diene ligands in the related complex [[cyclooctadiene rhodium chloride dimer]].
+'''Chlorobis(cyclooctene)rhodium dimer''' is an [[organorhodium compound]] with the formula Rh<sub>2</sub>Cl<sub>2</sub>(C<sub>8</sub>H<sub>14</sub>)<sub>4</sub>, where C<sub>8</sub>H<sub>14</sub> is ''cis''-[[cyclooctene]].  Sometimes abbreviated Rh<sub>2</sub>Cl<sub>2</sub>(coe)<sub>4</sub>, it is a red-brown, air-sensitive solid that is a precursor to many other organorhodium compounds and catalysts.
+The complex is prepared by treating an alcohol solution of [[water of crystallization|hydrated]] [[rhodium trichloride]] with cyclooctene at room temperature.<ref>Van der Ent, A.; Onderdelinden, A. L. "Chlorobis(cyclooctene)rhodium(I) and di-μ-chlorobis[bis(cryclooctene)iridium] (I) complexes" Inorganic Syntheses 1973, volume 14, pp. 92-5. {{DOI|10.1002/9780470132456.ch18}}</ref>  The coe ligands are easily displaced by other more basic [[ligand]]s, moreso than the diene ligands in the related complex [[cyclooctadiene rhodium chloride dimer]].
 ==References==