Chemistry Heterocyclic Building Blocks Imidazolines
The imidazoline class of heterocycles is derived from imidazoles through the reduction of one of the two double bonds, and is comprised of three known isomers: 2-imidazolines, 3-imidazolines, and 4-imidazolines.
Imidazolines, as cationic surfactants, have a wide range of applications such as water repellents, anti-corrosives, emulsifiers, and dispersing agents. They exhibit an affinity for absorption onto negatively charged surfaces of various materials, including metals, fibers, plastics, glass, and minerals.
Imidazoles, which undergo various reactions including double bond addition and alkylation, find application in numerous fields.
Imidazolines that have a 2- or 3-position contain an imine center, while those with a 4-position contain an alkene group. The group of 2-imidazolines is found in several medications.
Imidazolines, a non-aromatic analogue of imidazoles, differ in that one of the double bonds is saturated, and they do not have a planar structure. There are three forms of imidazolines: 2-imidazolines, 3-imidazolines, and 4-imidazolines.
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2,5-Dioxopyrrolidin-1-yl 6-((4R,5S)-5-methyl-2-oxoimidazolidin-4-yl)hexanoate
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(S)-tert-Butyl 1-methyl-2-oxoimidazolidine-4-carboxylate
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1,3-Bis(hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione
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1-(2-Ethylphenyl)-2-mercapto-1H-imidazol-5(4H)-one
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Methyl 2-(methylthio)-4,5-dihydro-1H-imidazole-1-carboxylate
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(S)-1-methyl-2-oxoimidazolidine-4-carboxylic acid