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Sigma-Aldrich

Ethylenebis(diphenylphosphine)

99%

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Synonym(s):
1,2-Bis(diphenylphosphino)ethane, Diphos, dppe
Linear Formula:
(C6H5)2PCH2CH2P(C6H5)2
CAS Number:
1663-45-2
Molecular Weight:
398.42
Beilstein:
761261
EC Number:
216-769-2
MDL number:
MFCD00003047
PubChem Substance ID:
24863460
NACRES:
NA.22

Quality Level

200

Assay

99%

reaction suitability

reaction type: Buchwald-Hartwig Cross Coupling Reaction
reaction type: Heck Reaction
reaction type: Hiyama Coupling
reaction type: Negishi Coupling
reaction type: Sonogashira Coupling
reaction type: Stille Coupling
reaction type: Suzuki-Miyaura Coupling
reagent type: ligand

mp

137-142 °C (lit.)

functional group

phosphine

SMILES string

C(CP(c1ccccc1)c2ccccc2)P(c3ccccc3)c4ccccc4

InChI

1S/C26H24P2/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/h1-20H,21-22H2

InChI key

QFMZQPDHXULLKC-UHFFFAOYSA-N

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Related Categories

Application

Ligand for metal-catalyzed allylic alkylation; decarboxylation of allylic esters; 1,3-diene synthesis; cycloaddition reactions; carbonylation reactions.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H335

Hazard Classifications

STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Tsuji, J.; Ohashi, Y.; Minami, I.
Tetrahedron Letters, 28, 2397-2397 (1987)
Bryan E Barton et al.
Journal of the American Chemical Society, 131(20), 6942-6943 (2009-05-06)
The ferrous dithiolato carbonyl Fe(S(2)C(3)H(6))(CO)(2)(dppe) (1) condenses with NiCl(2)(dppe) to give [FeNi(pdt)(mu-Cl)(CO)(dppe)(2)]BF(4) ([2Cl](+)). The corresponding reaction of the ditosylate Ni(OTs)(2)(dppe) gave the dication [(CO)(2)(dppe)Fe(pdt)Ni(dppe)](OTs)(2) ([2(CO)](OTs)(2)) (pdt = 1,3-propanedithiolate; dppe = 1,2-C(2)H(4)(PPh(2))(2); OTs(-) = CH(3)C(6)H(4)-4-SO(3)(-)). Reduction of the bimetallic dicarbonyl with
Weiming Gao et al.
Inorganic chemistry, 45(23), 9169-9171 (2006-11-07)
The reaction of [Fe2(CO)6(mu-SCH2)2NCH2CH2N(mu-SCH2)2Fe2(CO)6] (1) with 1,2-bis(diphenylphosphino)ethane in the presence of Me3NO.2H2O affords two structurally different metallomacromolecules: a dimer of the type [{Fe2(CO)5(mu-SCH2)2NCH2CH2N(mu-SCH2)2Fe2(CO)5}(Ph2PCH2)2] (2) and a tetramer species containing eight iron centers with an overall formula of [{Fe2(CO)6(mu-SCH2)2NCH2CH2N(mu-SCH2)2Fe2(CO)5}2(Ph2PCH2)2] (3). Their
William D Kerber et al.
Dalton transactions (Cambridge, England : 2003), (11)(11), 1948-1951 (2005-05-24)
Reaction of (dppe)MCl(2)(dppe = 1,2-bis(diphenylphosphino)ethane) with 2-(N-phenyliminomethyl)phenol leads to air-stable (dppe)M(N,O) chelates (M = Pd, 1a; M = Pt, 1b). The N-4-methylphenyl derivative of 1a has been characterized by X-ray analysis. The N,O ligands are kinetically labile and exchange occurs
R M Snyder et al.
Cancer research, 46(10), 5054-5060 (1986-10-01)
Bis(diphenylphosphine)ethane (DPPE) and its bis[chlorogold(I)] [DPPE(Au2Cl2)], and bis[trichlorogold(III)] [DPPE(Au2Cl6)], complexes have in vivo antitumor activity. To determine if interaction with metals in situ can play a role in the antitumor activity of DPPE, we have studied the effects of DPPE
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