Imidazolines/Imidazolidines

Imidazolines and are important heterocycles found in many biologically active compounds. Imidazolines are biologically active pharmacophores and synthetic intermediates in medicinal chemistry. Imidazolines are also used as chiral catalysts, chiral auxiliaries, and ligands for asymmetric catalysis. Imidazolines exhibit a range of biological activities including antihyperglycemic, anti-inflammatory, antihypertensive, anticancer, and antihypercholesterolemic agents, as well as antiulcer, antiviral, antifungal, antibacterial, antitubercular, antiasthmatic, anti-diabetic and antiprotozoal activities.

Imidazolines, such as fatty acid imidazolines, have industrial applications as corrosion inhibitors.

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N-Heterocyclic Carbene (NHC) Ligands
N-Heterocyclic Carbene (NHC) Ligands

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P209 Parabanic acid 99% C3H2N2O3
T30406 2-Thiohydantoin 99% C3H4N2OS
156361 Hydantoin 98% C3H4N2O2
545953 1-Aminohydantoin hydrochloride 98% C3H5N3O2 · HCl
I601 2-Imidazolidone 96% C3H6N2O
I504 2-Imidazolidinethione 98% C3H6N2S
197173 2-Hydrazino-2-imidazoline hydrobromide 98% C3H8N4 · HBr
524832 2-Oxo-1-imidazolidinecarbonyl chloride 96% C4H5ClN2O2
M49887 1-Methylhydantoin 97% C4H6N2O2
533653 5-Methylhydantoin 97% C4H6N2O2
860166 2-Imidazolidone-4-carboxylic acid 95% C4H6N2O3
05670 Allantoin ≥98.0% (N) C4H6N4O3
C4255 Creatinine anhydrous, ≥98% C4H7N3O
C6257 Creatinine hydrochloride C4H7N3O · HCl
375403 2-Methyl-2-imidazoline 95% C4H8N2
CDS006142 1-Methyl-2-imidazolidinone AldrichCPR C4H8N2O
158844 2-Methylthio-2-imidazoline hydriodide 99% C4H8N2S · HI
232807 1,3-Dichloro-5,5-dimethylhydantoin available chlorine 68 % C5H6Cl2N2O2
CBR00560 (2,5-Dioxoimidazolidin-1-yl)acetic acid AldrichCPR C5H6N2O4
850624 Hydantoin-5-acetic acid 98% C5H6N2O4
561312 3-Chlorocarbonyl-1-methanesulfonyl-2-imidazolidinone 97% C5H7ClN2O4S
D161403 5,5-Dimethylhydantoin 97% C5H8N2O2
CDS014911 (4,5-dihydro-1H-imidazol-2-ylamino)-acetic acid AldrichCPR C5H9N3O2
377627 2-Imino-1-imidazolidineacetic acid 98% C5H9N3O2
40725 1,3-Dimethyl-2-imidazolidinone absolute, over molecular sieve (H2O ≤0.04%), ≥99.5% (GC) C5H10N2O
40727 1,3-Dimethyl-2-imidazolidinone ≥99.0% (GC) C5H10N2O
193453 1,3-Dimethyl-2-imidazolidinone reagent grade C5H10N2O
378658 1-(2-Hydroxyethyl)-2-imidazolidinone solution 75% in H2O C5H10N2O2
CDS009906 4,5-dihydroxy-1,3-dimethyl-imidazolidin-2-one AldrichCPR C5H10N2O3
479403 1,5,5-Trimethylhydantoin 98% C6H10N2O2
454273 5-Ethyl-5-methylhydantoin 97% C6H10N2O2
CDS015551 2-(4,5-dihydro-1H-imidazol-2-ylamino)-propionic acid AldrichCPR C6H11N3O2
CBR01602 1-Isopropyl-2-imidazolidinone AldrichCPR C6H12N2O
CDS007748 (5,5-dimethyl-2,4-dioxoimidazolidin-1-yl)-acetic acid AldrichCPR C7H10N2O4
CDS015436 4-(2,5-dioxo-imidazolidin-1-yl)-butyric acid AldrichCPR C7H10N2O4
CDS000607 1-Butyl-2,4-imidazolidinedione AldrichCPR C7H12N2O2
CDS000375 5-(4-Hydroxyphenyl)-2,4-imidazolidinedione AldrichCPR C9H8N2O3
CBR01509 3-(3-Aminophenyl)-2,4-imidazolidinedione AldrichCPR C9H9N3O2
78727 2-Phenyl-2-imidazoline ≥98.0% (HPLC) C9H10N2
CDS019471 1-Phenyl-2-imidazolidinone AldrichCPR C9H10N2O
654698 2-(4,5-Dihydro-1H-imidazol-2-yl)phenol 97% C9H10N2O
666092 4-(4,5-Dihydro-1H-imidazol-2-yl)phenol 97% C9H10N2O
666084 4-(4,5-Dihydro-1H-imidazol-2-yl)phenylamine 97% C9H11N3
CBR01486 1-(3-Aminophenyl)imidazolidin-2-one AldrichCPR C9H11N3O
CDS015438 (4-cyclopropyl-4-methyl-2,5-dioxo-imidazolidin-1-yl)-acetic acid AldrichCPR C9H12N2O4
CDS012319 1-(4-methoxyphenyl)imidazolidine-2,4,5-trione AldrichCPR C10H8N2O4
CBR00526 4-(2,4-Dioxoimidazolidin-1-yl)benzoic acid AldrichCPR C10H8N2O4
180823 5-Methyl-5-phenylhydantoin 99% C10H10N2O2
CDS016431 4-(2-sulfanyl-4,5-dihydro-1H-imidazol-1-yl)benzenecarboxylic acid AldrichCPR C10H10N2O2S
CDS012792 4-(2-oxoimidazolidin-1-yl)benzoic acid AldrichCPR C10H10N2O3
CDS013261 3-benzyl-2-oxoimidazolidine-1-sulfonyl chloride AldrichCPR C10H11ClN2O3S
CDS019395 3-(4-Aminobenzyl)imidazolidine-2,4-dione AldrichCPR C10H11N3O2
293490 2-Benzylimidazoline 99% C10H12N2
CDS020608 4-(4-Methyl-4,5-dihydro-1H-imidazol-2-yl)phenol AldrichCPR C10H12N2O
CDS011043 (4-butyl-4-methyl-2,5-dioxoimidazolidin-1-yl)acetic acid AldrichCPR C10H16N2O4
CDS015162 [1-(4-chloro-phenyl)-2,5-dioxo-imidazolidin-4-yl]-acetic acid AldrichCPR C11H9ClN2O4
CDS013072 6′-Fluoro-2′,3′-dihydro-2H,5H-spiro[imidazolidine-4,4′-thiochromene]-2,5-dione 1′,1′-dioxide AldrichCPR C11H9FN2O4S
CDS012882 4-[(2,5-dioxoimidazolidin-1-yl)methyl]benzonitrile AldrichCPR C11H9N3O2
CDS013480 4-[(2,5-dioxoimidazolidin-1-yl)methyl]benzoic acid AldrichCPR C11H10N2O4
I5133 Imidazolidinyl urea C11H16N8O8
CDS004862 {2-Chloro-4-[(E)-(2,5-dioxo-4-imidazolidinylidene)methyl]phenoxy}acetic acid AldrichCPR C12H9ClN2O5
CDS000010 3-(5-Oxo-1-phenyl-2-thioxo-4-imidazolidinyl)propanamide AldrichCPR C12H13N3O2S
CDS013266 Phenylthiohydantoin-glutamine AldrichCPR C12H13N3O2S
H146 4-Hydroxymephenytoin ≥98% (HPLC) C12H14N2O3
56760 Triethoxy-3-(2-imidazolin-1-yl)propylsilane ≥97.0% (NT) C12H26N2O3Si
CDS011050 5-(2-[4-(difluoromethoxy)phenyl]ethyl)-5-methylimidazolidine-2,4-dione AldrichCPR C13H14F2N2O3
CDS000011 5-Butyl-3-phenyl-2-thioxo-4-imidazolidinone AldrichCPR C13H16N2OS
317586 1-(p-Tosyl)-3,4,4-trimethylimidazolidine 98% C13H20N2O2S
70170 Naphazoline nitrate ≥99.0% (NT) C14H14N2 · HNO3
CDS013007 [4-methyl-2,5-dioxo-4-(2-phenylethyl)imidazolidin-1-yl]acetic acid AldrichCPR C14H16N2O4
D214256 5,5-Diphenyl-2-thiohydantoin 99% C15H12N2OS
161543 5-(4-Hydroxyphenyl)-5-phenylhydantoin 98% C15H12N2O3
CDS019434 (5E)-5-[(2-Chlorophenyl)methylidene]-3-phenyl-2-sulfanylideneimidazolidin-4-one AldrichCPR C16H11ClN2OS
CDS007063 phenylthiohydantoin-phenylalanine AldrichCPR C16H14N2OS
161454 5-(p-Methylphenyl)-5-phenylhydantoin ≥99% C16H14N2O2
650730 1,3-Bisbenzyl-2-oxoimidazolidine-4,5-dicarboxylic acid 97% C19H18N2O5
702897 1,3-Bis(2,4,6-trimethylphenyl)-2-imidazolidinylidene 97% C21H26N2
CDS003404 N-b-hydroxyethyl oleyl imidazoline AldrichCPR C22H42N2O
CDS018506 (R,S)-N-Fmoc-N′-Boc-imidazolidine-2-carboxylic acid AldrichCPR C24H26N2O6
CDS003291 Sodium carboxymethylstearylhydroxy-ethyl imidazolinium hydroxide AldrichCPR C25H49N2NaO4
752789 2-[(Dicyclohexylphosphino)methyl]-1,3-bis(2,6-diisopropylphenyl)-3-imidazolium iodide 95% C40H60IN2P
CDS018692 Tricyclohexylphosphine[3-phenyl-1H-inden-1-ylidene][1,3-bis(2 ,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidene]ruthenium(II) dichloride AldrichCPR C54H69Cl2N2PRu