Imidazoline

Imidazoline
IUPAC name	4,5-dihydro-1H-imidazole
Identifiers
CAS number	504-75-6
SMILES	C=1NCCN=1
Properties
Molecular formula	C3H6N2
Molar mass	70.093 g/mol
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox disclaimer and references

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Overview

Imidazoline is a nitrogen-containing heterocycle derived from imidazole. The ring contains an imine bond, and the carbons at the 4 and 5 positions are singly bonded, rather than doubly bonded for the case of imidazole. Imidazolines are structurally related to guanidines and amidines.

Chemical relationship of imidazole to its reduced derivatives.

Second generation Grubbs' catalyst

Like imidazole, imidazoline-based compounds have been used as N-heterocyclic carbene ligands on various transition metals. It is found in the commercially available second generation Grubbs' catalyst.

Biological role

Many imidazolines are biologically active. Most bio-active derivatives bear a substituent (aryl or alkyl group) on the carbon between the nitrogen centers. Some brand names include oxymetazoline, xylometazoline, tetrahydrozoline, and naphazoline.