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Trans-1,2-di-[2]naphthyl-ethene, also known as trans-1,2-bis(2-naphthyl)ethylene, is an organic compound characterized by its unique structure. It consists of two naphthalene rings, each with a benzene ring fused to a six-membered aromatic ring, connected by an ethene bridge in a trans configuration. This arrangement means that the naphthalene rings are positioned opposite each other, with respect to the ethene double bond. The compound is known for its rigid structure and is often used in the synthesis of more complex organic molecules, particularly in the field of materials science for the creation of polymers and other advanced materials. It is also of interest in chemical research due to its potential applications in the development of new pharmaceuticals and its use as a ligand in coordination chemistry.

2753-11-9

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2753-11-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2753-11-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,5 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 2753-11:
(6*2)+(5*7)+(4*5)+(3*3)+(2*1)+(1*1)=79
79 % 10 = 9
So 2753-11-9 is a valid CAS Registry Number.

2753-11-9Relevant academic research and scientific papers

SPECTROSCOPIC CHARACTERIZATION OF 2-NAPHTHYLCARBENE

Horn, Keith A.,Chateauneuf, John E.

, p. 1465 - 1470 (1985)

The 308 nm excimer laser flash photolysis of 2-naphthyldiazomethane produces triplet 2-naphthylcarbene (λmax=362 nm) which decays with the observed pseudo-first-order rate constants (kexptl) of 5.54+/-0.03E6; 3.33+/-0.4E6; 1.64+/-0.02E7; and 3.05+/-0.4E6 s-1 in n-pentane, 2,2,4-trimethylpentane (2,2,4-TMP), benzene and Freon 113 respectively.In hydrocarbon solvents the observed decay of triplet 2-naphthylcarbene is correlated with the pseudo-first-order growth of the 2-naphthylmethyl radical (λmax=378 nm).Direct kinetic measurements of the reaction of triplet 2-naphthylcarbene in 2,2,4-TMP with cyclohexane, styrene, meth anol and carbon tetrachloride yielded bimolecular quenching rate constants of 1.48+/-0.04E6; 4.33+/-0.1E7; 7.25+/-0.5E6; and 3.35+/-0.07E6 M-1s-1.It is also found that 2-naphthylcarbene reacts with acetonitrile (kq=5.28+/-0.1E5 M-1s-1) to form a nitrile ylide intermediate with a λmax=372 nm.These results are interpreted in terms of a rapid singlet-triplet-2-naphthylcarbene equilibrium.

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