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Phosphine, 9H-fluoren-9-yldiphenyl- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

54458-23-0

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54458-23-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 54458-23-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,4,4,5 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 54458-23:
(7*5)+(6*4)+(5*4)+(4*5)+(3*8)+(2*2)+(1*3)=130
130 % 10 = 0
So 54458-23-0 is a valid CAS Registry Number.

54458-23-0Relevant articles and documents

New halo compounds of Si, P, As, and Sb bearing a bulky substituted fluorenyl group

Baiget,Bouslikhane,Escudie,Nemes, G. Cretiu,Silaghi-Dumitrescu,Silaghi-Dumitrescu

, p. 1949 - 1961 (2003)

New halo compounds of Si, P, As, and Sb, potential precursors of doubly-bonded derivatives of these elements, have been synthesized: dichloro-and difluorosilanes 2-6 bearing a methylfluorenyl group and a second substituent of various size (Me, Ph, Mes, R

Synthesis of Mono-, Di-, and Trinuclear Rhodium Diphosphine Complexes Containing Light-Harvesting Fluorene Backbones

Matsusaka, Yuko,Shitaya, Shoji,Nomura, Kotohiro,Inagaki, Akiko

, p. 1027 - 1030 (2017)

Syntheses and structural determination of rhodium complexes ligated by diphosphines containing light-harvesting fluorene backbones are presented. In these rhodium complexes, the rhodium center is surrounded by a light-absorbing diphosphine unit. The presence of Rh-Rh bonding interactions is suggested by density functional theory studies.

Lewis Acid Enables Ketone Phosphorylation to Form a C-P Bond and a C-C Bond: Synthesis of 9-Phosphoryl Fluorene Derivatives

Wei, Xiao-Hong,Bai, Chun-Yuan,Wang, Ai-Jun,Feng, Qiao-Liang,Zhao, Lian-Biao,Zhang, Ping,Li, Zhen-Hua,Su, Qiong,Wang, Yan-Bin

, p. 7100 - 7105 (2021/09/14)

An efficient method for the Lewis acid promotion of the synthesis 9-phosphoryl fluorenes has been reported. This method focuses on ketone phosphonylation to form a C-P bond and a C-C bond between diphenylmethanone and H-phosphinate esters, H-phosphites, and H-phosphine oxides via phospha-aldol elimination, in which a series of 9-phosphoryl fluorene derivatives were selectively obtained in moderate to excellent yields.

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