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1,2-Dihydro-2-dicyan-methylen-3-cyan-4-phenyl-pyridin is a complex organic compound with the molecular formula C16H8N4. It is a derivative of pyridine, a heterocyclic aromatic compound containing a nitrogen atom in a six-membered ring. The structure of 1,2-Dihydro-2-dicyan-methylen-3-cyan-4-phenyl-pyridin features a dihydro-pyridine ring with a dicyan-methylene group at position 2, a cyan group at position 3, and a phenyl group at position 4. This molecule is characterized by its conjugated double bonds and the presence of multiple cyano groups, which contribute to its unique chemical properties and potential applications in various fields, such as pharmaceuticals, agrochemicals, and materials science. Due to its complex structure and multiple functional groups, 1,2-Dihydro-2-dicyan-methylen-3-cyan-4-phenyl-pyridin may exhibit a range of reactivity and interactions with other molecules, making it an interesting subject for further research and development.

789-44-6

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789-44-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 789-44-6 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,8 and 9 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 789-44:
(5*7)+(4*8)+(3*9)+(2*4)+(1*4)=106
106 % 10 = 6
So 789-44-6 is a valid CAS Registry Number.

789-44-6Downstream Products

789-44-6Relevant academic research and scientific papers

Reactions of ketonic Mannich bases with malononitrile and malononitrile dimer

Hammouda,El-Ahl,El-Toukhee,Metwally

, p. 89 - 94 (2007/10/03)

The reaction of malononitrile with the tertiary Mannich base hydrochloride derived from acetophenone and some related compounds 1, 3, 5 and 7, in piperidine at 50°C afforded the pyrido[1,2-a]pyrimidine derivatives 2, tetrahydronaphthalene derivative 4 substituted quinolines 6 and benzopyran derivatives 8. While the condensation of malononitrile dimer with acetophenone, cyclohexanone and/or α-tetralone Mannich bases hydrochloride 1, 3 and 9 gave the pyridine, isoquinoline and benzo[f]isoquinoline derivatives 10-12 in moderate to good yield.

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