Bis(dicyclohexylphosphino)ethane

Bis(dicyclohexylphosphino)ethane
Names
	Other names dcpe
Identifiers
CAS Number	23743-26-2;
3D model (JSmol)	Interactive image;
ChemSpider	465407;
ECHA InfoCard	100.209.704
PubChem CID	534202;
CompTox Dashboard (EPA)	DTXSID90336507 ;
	InChI InChI=1S/C26H48P2/c1-5-13-23(14-6-1)27(24-15-7-2-8-16-24)21-22-28(25-17-9-3-10-18-25)26-19-11-4-12-20-26/h23-26H,1-22H2 Key: BOUYBUIVMHNXQB-UHFFFAOYSA-N; InChI=1/C26H48P2/c1-5-13-23(14-6-1)27(24-15-7-2-8-16-24)21-22-28(25-17-9-3-10-18-25)26-19-11-4-12-20-26/h23-26H,1-22H2 Key: BOUYBUIVMHNXQB-UHFFFAOYAM;
	SMILES C1CCC(CC1)P(CCP(C2CCCCC2)C3CCCCC3)C4CCCCC4;
Properties
Chemical formula	C26H48P2
Molar mass	422.61
Appearance	white solid
Melting point	96–97 °C (205–207 °F; 369–370 K)
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
	Infobox references

Bis(dicyclohexylphosphino)ethane, abbreviated dcpe, is an organophosphorus compound with the formula (C₆H₁₁)₂PCH₂CH₂P(C₆H₁₁)₂. It is a white solid that is soluble in nonpolar organic solvents. The compound is used as a bulky and highly basic diphosphine ligand in coordination chemistry.[1]

References

Sowa, J. R., Jr., Zanotti, V., Facchin, G., Angelici, R. J., "Calorimetric studies of the heats of protonation of the metal in Fe(CO)₃(bidentate phosphine, arsine) complexes: effects of chelate ligands on metal basicity", J. Am. Chem. Soc. 1992, 114, 160. doi:10.1021/ja00027a023

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[1] Sowa, J. R., Jr., Zanotti, V., Facchin, G., Angelici, R. J., "Calorimetric studies of the heats of protonation of the metal in Fe(CO)₃(bidentate phosphine, arsine) complexes: effects of chelate ligands on metal basicity", J. Am. Chem. Soc. 1992, 114, 160. doi:10.1021/ja00027a023