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1-phenyl-9H-fluorene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

66972-63-2

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66972-63-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 66972-63-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,9,7 and 2 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 66972-63:
(7*6)+(6*6)+(5*9)+(4*7)+(3*2)+(2*6)+(1*3)=172
172 % 10 = 2
So 66972-63-2 is a valid CAS Registry Number.

66972-63-2Downstream Products

66972-63-2Relevant articles and documents

Spirobifluorene Regioisomerism: A Structure–Property Relationship Study

Sicard, Lambert,Quinton, Cassandre,Peltier, Jean-David,Tondelier, Denis,Geffroy, Bernard,Biapo, Urelle,Métivier, Rémi,Jeannin, Olivier,Rault-Berthelot, Jo?lle,Poriel, Cyril

, p. 7719 - 7727 (2017/06/06)

The present works report the first structure–property relationship study of a key class of organic semiconductors, that is, the four spirobifluorene positional isomers possessing a para-, meta- or ortho-linkage. The remarkable and surprising impact of the ring bridging and of the linkages on the electronic properties of the regioisomers has been particularly highlighted and rationalised. The impact of the ring bridging on the photophysical properties has been stressed with notably the different influence of the linkages and the bridge on the singlet and triplet excited states. The first member of a new family of spirobifluorenes substituted in the 1-position, which presents better performance in blue phosphorescent OLEDs than those of its regioisomers, is reported. These features highlight not only the great potential of 1-substituted spirobifluorenes, but also the remarkable impact of regioisomerism on electronic properties.

Ligand-free Pd catalyzed cross-coupling reactions in an aqueous hydrotropic medium

Jadhav, Sanjay N.,Kumbhar, Arjun S.,Rode, Chadrashekhar V.,Salunkhe, Rajashri S.

supporting information, p. 1898 - 1911 (2016/04/19)

A simple, efficient and ligand-free protocol for the Suzuki-Miyaura reaction and base-free Heck-Matsuda reactions under mild reaction conditions have been developed over palladium supported on activated carbon (Pd/C) in an aqueous hydrotropic solution. The catalyst Pd/C was fully characterized by TG-DTA, SEM, EDS, XRD, XPS, BET and ICP-AES analyses. This green methodology represents a cost-effective and operationally convenient method for the synthesis of a variety of biaryls, prochiral ketones, and acrylates under the conditions that are tolerant for a broad range of functional groups with good to excellent yields. The developed Pd/C-aqueous hydrotrope combined catalytic system is well suited for the 3R approach (reducible, robust, and recyclable) for different cross-coupling reactions without an appreciable loss of its activity.

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