Search results
Results from the WOW.Com Content Network
The systematic name for the pyridine derivatives is pyridinyl, wherein the position of the substituted atom is preceded by a number. However, the historical name pyridyl is encouraged by the IUPAC and used instead of the systematic name. [129] The cationic derivative formed by the addition of an electrophile to the nitrogen atom is called ...
Pyridynes. Pyridyne in chemistry is the pyridine analogue of benzyne. [1] Pyridynes are the class of reactive intermediates derived from pyridine. Two isomers exist, the 2,3-pyridine (2,3-didehydropyridine) and the 3,4-pyridyne (3,4-didehydropyridine).
4-Pyridyl compounds (1 C, 47 P) A. Aminopyridines (3 C, 1 P) B. Bipyridines (1 C, 13 P) C. Chloropyridines (33 P) H. Hydroxypyridines (11 P) I. Isonicotinamides (3 P ...
1-(2-Pyridinyl)piperazine is a chemical compound and piperazine derivative. Some derivatives of this substance are known to act as potent and selective α 2-adrenergic receptor antagonists, such as 1-(3-fluoro-2-pyridinyl)piperazine. [1] A few pyridinylpiperazine derivatives are drugs, including: Azaperone — antipsychotic; Atevirdine ...
The compound 3,6-di-2-pyridyl-1,2,4,5-tetrazine' [3] has two pyridine substituents and is of importance as a reagent in Diels-Alder reactions. It reacts with norbornadiene in a sequence of one DA reaction and two retro-DA reactions to cyclopentadiene and a pyridazine with exchange of an acetylene unit: [ 4 ]
Bipyridines are a family of organic compounds with the formula (C 5 H 4 N) 2, consisting of two pyridyl (C 5 H 4 N) rings. Pyridine is an aromatic nitrogen-containing heterocycle. The bipyridines are all colourless solids, which are soluble in organic solvents and slightly soluble in water. Bipyridines, especially the 4,4' isomer, are mainly of ...
Discover the best free online games at AOL.com - Play board, card, casino, puzzle and many more online games while chatting with others in real-time.
3-Methylpyridine or 3-picoline, is an organic compound with formula 3-CH 3 C 5 H 4 N. It is one of three positional isomers of methylpyridine, whose structures vary according to where the methyl group is attached around the pyridine ring.