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278176-07-1

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278176-07-1 Usage

General Description

2,7-Diiodo-9,9-didodecane-9H-fluorene is a chemical compound with the molecular formula C26H36I2. It is a fluorene derivative containing two iodine atoms at positions 2 and 7, and a dodecane chain at position 9. 2 7-DIIODO-9 9-DIDODECANE-9H-FLUORENE& is used in organic synthesis and chemical research, particularly in the development of new materials and pharmaceuticals. It exhibits interesting properties due to the presence of the fluorene core and the iodine substituents, making it potentially useful in various applications. Additionally, the unique structure of 2,7-Diiodo-9,9-didodecane-9H-fluorene makes it a valuable intermediate in the synthesis of more complex organic compounds.

Check Digit Verification of cas no

The CAS Registry Mumber 278176-07-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,7,8,1,7 and 6 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 278176-07:
(8*2)+(7*7)+(6*8)+(5*1)+(4*7)+(3*6)+(2*0)+(1*7)=171
171 % 10 = 1
So 278176-07-1 is a valid CAS Registry Number.

278176-07-1Downstream Products

278176-07-1Relevant articles and documents

α-Cyanostilbene and fluorene based bolaamphiphiles: Synthesis, self-assembly, and AIEE properties with potential as white-light emissive materials and light-emitting liquid crystal displays

Zhang, Deling,Liu, Yuantao,Gao, Hongfei,Chang, Qing,Cheng, Xiaohong

, p. 17474 - 17481 (2021/01/05)

Novel bolaamphiphiles containing two α-cyanostilbene units interconnected with 2,7-substituted-9,9-dialkylated fluorene as the central core and a diol unit at each terminal have been synthesized efficiently by a palladium catalyzed Suzuki coupling reaction and the Knoevenagel condensation reaction as key steps. POM, DSC and XRD investigation reveals that these compounds can organize into single wall triangular honeycomb columnar phases. A unique packing model was established in which the twisted π-conjugated backbones stacked alternatively into the walls and were connected through the end diol groups to form a triangular honeycomb, and the almost perpendicularly distributed alkyl side chains filled the cells. Such packing was additionally stabilized by the local anti-parallel dipole interactions of α-cyanostilbene and the H-bonding between CN?H. These compounds showed the AIEE effect and emitted yellow luminescence which could be further utilized to generate white light emission by coating on a commercially available blue LED lamp. Additionally, light-emitting liquid crystal display (LE-LCD) device could be obtained by dissolution of such AIE active distinctive luminogens in commercially available nematic LCs.

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