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2,2,4,4-Tetraphenyl-1H-2λ5,4λ5-benzodiphosphepin is a complex organic compound characterized by its unique structure, which features a benzene ring with two phosphorus atoms attached to opposite carbons, creating a diphosphepin ring system. The compound is further distinguished by the presence of four phenyl groups, which are attached to the phosphorus atoms, enhancing its stability and reactivity. This molecule is of interest in the field of organophosphorus chemistry due to its potential applications in materials science and as a ligand in coordination chemistry. It is also noteworthy for its electronic properties and the possibility of engaging in π-π interactions due to the extended conjugation provided by the phenyl groups. The compound's synthesis and properties are subjects of ongoing research, with potential implications for the development of new materials and chemical processes.

78532-94-2

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78532-94-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78532-94-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,5,3 and 2 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 78532-94:
(7*7)+(6*8)+(5*5)+(4*3)+(3*2)+(2*9)+(1*4)=162
162 % 10 = 2
So 78532-94-2 is a valid CAS Registry Number.

78532-94-2Relevant academic research and scientific papers

Cyclische Doppel-Ylide und ihre korrespondierenden Diphosphonium-triple-ylid-Anionen: Synthese, Struktur und komplexchemisches Verhalten

Schmidbaur, Hubert,Costa, Thomas,Milewski-Mahrla, Beatrix

, p. 1428 - 1441 (2007/10/02)

Bis(dimethylphosphino)- and bis(diphenylphosphino)methane (1a, b) react with 1,2-bis(bromomethyl)benzene to yield cyclic diquaternary phosphonium salts 2a, b, which can be converted into ylidic monosalts 4a, b and double-ylides 3a, b using (CH3)3P = CH2 or KH as a base.According to spectral data, compounds 3a, b are identified as fluxional, unsymmetrical double-ylides, with no evidence for a carbodiphosphorane structure.Hydrolysis leads to an open-chain mono-ylidic phosphane oxide 5, BH3 addition gives the side-on mono-adduct 6.With Zn(CH3)2, however, binuclear 1 : 1 complexes 7a, b are obtained, that are derived from the isomeric carbodiphosphorane form. - The reactions of 3b with LiR, NaNH2, KH, and barium metal (in liquid ammonia) afford (earth)alkaline salts of the corresponding diphosphonium triple-ylide anion (8 - 11).A related cadmium complex 12 is generated from 3b and Cd(CH3)2 with evolution of methane.The crystal structure of 12 is determined.

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