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"O2CC(PPh3)2" is a chemical compound with the molecular formula C20H20O2P2. It is a phosphine oxide, specifically a diphosphine oxide, and is also known as 1,2-bis(triphenylphosphine oxide)ethane. O2CC(PPh3)2 is characterized by an ethylene backbone (O2CC) with two triphenylphosphine oxide (PPh3) groups attached to it. The triphenylphosphine oxide groups are electron-rich and can act as ligands in coordination chemistry, making O2CC(PPh3)2 useful in the formation of transition metal complexes. It is also employed as a reagent in organic synthesis, particularly in reactions involving phosphorus-based catalysts or reagents. The compound is known for its stability and is often used in the synthesis of more complex phosphorus-containing molecules.

7533-53-1

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7533-53-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7533-53-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,5,3 and 3 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 7533-53:
(6*7)+(5*5)+(4*3)+(3*3)+(2*5)+(1*3)=101
101 % 10 = 1
So 7533-53-1 is a valid CAS Registry Number.

7533-53-1Relevant academic research and scientific papers

Reaction of (PPh3)2C→CO2 with halogenated hydrocarbons; Formation and crystal structure of a cationic ester with 1, 2-dichloroethane

Petz, Wolfgang,Neumueller, Bernhard

experimental part, p. 987 - 991 (2012/08/14)

The carbodiphosphorane CO2 adduct (2) reacts slowly with 1, 2-dichloroethane to give (HC{PPh3}2)Cl (5) as result of HCl abstraction along with the ester-like salt (ClCH2CH 2O(O)CC{PPh3}2)Cl (4) from nucleophilic substitution of one Cl- by 2. Both compounds could be separated by fractional crystallization. Attempts to dissolve 2 in 1, 2-difluorobenzene leads to small amounts of the hydrolysis product (HC{PPh3} 2)(HCO3)·H2O (6·H2O) caused by some humidity in the solvent. All compounds could be crystallized and the structures studied by X-ray analyses and 31P NMR spectroscopy. Copyright

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