An imidazolidinone with oxo groups at position 2 and 4.
| Member | Definition | Role |
|---|
| (5S,5aR,8aS,8bR)-7-tert-butyl-5-(4-methoxyphenyl)-8b-methyl-2-(3-methylphenyl)-5a,8a-dihydro-5H-pyrrolo[1,2]pyrrolo[4,5-a]imidazole-1,3,6,8-tetrone | | (5S,5aR,8aS,8bR)-7-tert-butyl-5-(4-methoxyphenyl)-8b-methyl-2-(3-methylphenyl)-5a,8a-dihydro-5H-pyrrolo[1,2]pyrrolo[4,5-a]imidazole-1,3,6,8-tetrone |
| (S)-Mephenytoin | | (S)-Mephenytoin |
| 1-aminohydantoin | | 1-Aminohydantoin |
| 1-methylhydantoin | A imidazolidine-2,4-dione that is the N-methyl-derivative of hydantoin. | N-methylhydantoin |
| 2-(2,5-dioxo-4-imidazolidinyl)-N-(1-naphthalenyl)acetamide | | 2-(2,5-dioxo-4-imidazolidinyl)-N-(1-naphthalenyl)acetamide |
| 2-(2,5-dioxo-4,4-dipropyl-1-imidazolidinyl)-N-(3-methoxyphenyl)acetamide | | 2-(2,5-dioxo-4,4-dipropyl-1-imidazolidinyl)-N-(3-methoxyphenyl)acetamide |
| 2-(2',5'-dioxo-1'-spiro[3,4-dihydro-2H-1-benzopyran-4,4'-imidazolidine]yl)-N-[4-[ethyl(propan-2-yl)amino]phenyl]acetamide | | 2-(2',5'-dioxo-1'-spiro[3,4-dihydro-2H-1-benzopyran-4,4'-imidazolidine]yl)-N-[4-[ethyl(propan-2-yl)amino]phenyl]acetamide |
| 2-(4-butyl-4-methyl-2,5-dioxo-1-imidazolidinyl)-N-[4-(4-morpholinylsulfonyl)phenyl]acetamide | | 2-(4-butyl-4-methyl-2,5-dioxo-1-imidazolidinyl)-N-[4-(4-morpholinylsulfonyl)phenyl]acetamide |
| 2-[[2-(4-ethyl-4-methyl-2,5-dioxo-1-imidazolidinyl)-1-oxoethyl]amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide | | 2-[[2-(4-ethyl-4-methyl-2,5-dioxo-1-imidazolidinyl)-1-oxoethyl]amino]-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxamide |
| 2-[4-(4-methoxyphenyl)-4-methyl-2,5-dioxo-1-imidazolidinyl]-N-[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]acetamide | | 2-[4-(4-methoxyphenyl)-4-methyl-2,5-dioxo-1-imidazolidinyl]-N-[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]acetamide |
| 2-[4-[4-(difluoromethoxy)phenyl]-4-methyl-2,5-dioxo-1-imidazolidinyl]acetic acid ethyl ester | | 2-[4-[4-(difluoromethoxy)phenyl]-4-methyl-2,5-dioxo-1-imidazolidinyl]acetic acid ethyl ester |
| 3-[2-[4-(4-chlorophenyl)sulfonyl-1-piperazinyl]-2-oxoethyl]-5-(2-methylpropyl)imidazolidine-2,4-dione | | 3-[2-[4-(4-chlorophenyl)sulfonyl-1-piperazinyl]-2-oxoethyl]-5-(2-methylpropyl)imidazolidine-2,4-dione |
| 3-[2-hydroxy-3-(4-morpholinyl)propyl]-5,5-dimethylimidazolidine-2,4-dione | | 3-[2-hydroxy-3-(4-morpholinyl)propyl]-5,5-dimethylimidazolidine-2,4-dione |
| 4-[(2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)methyl]benzoic acid methyl ester | | 4-[(2,4-dioxo-1,3-diazaspiro[4.5]decan-3-yl)methyl]benzoic acid methyl ester |
| 4-hydroxymephenytoin | | Hydroxymephenytoin |
| 5-(3,4-dihydroxy-1,5-cyclohexadien-1-yl)-5-phenylhydantoin | | 5-(3,4-Dihydroxy-1,5-cyclohexadien-1-yl)-5-phenylhydantoin |
| 5-hydroxydantrolene | | 5-Hydroxydantrolene |
| 5-methyl-3-[2-(4-morpholinyl)-2-oxoethyl]-5-phenylimidazolidine-2,4-dione | | 5-methyl-3-[2-(4-morpholinyl)-2-oxoethyl]-5-phenylimidazolidine-2,4-dione |
| 5-methylhydantoin | | 5-methylimidazolidine-2,4-dione |
| 5,5-dimethylhydantoin | | 5,5-Dimethylhydantoin |
| allantoin | An imidazolidine-2,4-dione that is 5-aminohydantoin in which a carbamoyl group is attached to the exocyclic nitrogen. | allantoin |
| alloxanic acid | | Alloxanoic acid 4tms NIST |
| azimilide | | Azimilide |
| bw 245c | A imidazolidine-2,4-dione that is 7-(2,5-dioxoimidazolidin-4-yl)heptanoic acid in which the imidazoline ring as substituted at position 3 by a 3-(3-cyclohexyl-3-hydroxypropyl) group. | 7-[3-(3-cyclohexyl-3-hydroxypropyl)-2,5-dioxoimidazolidin-4-yl]heptanoic acid |
| bw a868c | | BW A868C |
| chlordantoin | | clodantoin |
| dantrolene | The hydrazone resulting from the formal condensation of 5-(4-nitrophenyl)furfural with 1-aminohydantoin. A ryanodine receptor antagonist used for the relief of chronic severe spasticity and malignant hyperthermia. | dantrolene |
| diazolidinylurea | | diazolidinylurea |
| ethotoin | An imidazolidine-2,4-dione that is hydantoin substituted by ethyl and phenyl at positions 3 and 5, respectively. An antiepileptic, it is less toxic than phenytoin but also less effective. | ethotoin |
| ethylphenylhydantoin | | Nirvanol |
| fosphenytoin | | Fosphenytoin |
| guanidinohydantoin | An imidazolidine-2,4-dione substituted by a guanidino group at position 5. | 5-guanidinohydantoin |
| hydantoin-5-propionic acid | A imidazolidine-2,4-dione that is hydantoin substituted by a 2-carboxyethyl group at position 4. | hydantoin-5-propionic acid |
| hydantoins | | hydantoin |
| hydroxyphenytoin | A imidazolidine-2,4-dione that consists of hydantoin bearing phenyl and 4-hydroxyphenyl substituents at position 5. | 4-hydroxyphenytoin |
| iprodione | An imidazolidine-2,4-dione in which the nitrogen at position 1 is substituted by an N-(isopropyl)carboxamide group while that at position 3 is substituted by a 3,5-dichlorophenyl group. A contact fungicide, it blocks the growth of the fungal mycelium and inhibits the germination of fungal spores. It is used on fruit and vegetable crops affected by various fungal diseases. It is also used as a nematicide. | iprodione |
| mephenytoin | An imidazolidine-2,4-dione (hydantoin) in which the imidazolidine nucleus carries a methyl group at N-3 and has ethyl and phenyl substituents at C-5. An anticonvulsant, it is no longer available in the USA or the UK but is still studied largely because of its interesting hydroxylation polymorphism. | mephenytoin |
| N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-[4-methyl-2,5-dioxo-4-(2-phenylethyl)-1-imidazolidinyl]acetamide | | N-(2,3-dihydro-1,4-benzodioxin-6-yl)-2-[4-methyl-2,5-dioxo-4-(2-phenylethyl)-1-imidazolidinyl]acetamide |
| N-(3-cyanophenyl)-2-(4-ethyl-2,5-dioxo-4-phenyl-1-imidazolidinyl)acetamide | | N-(3-cyanophenyl)-2-(4-ethyl-2,5-dioxo-4-phenyl-1-imidazolidinyl)acetamide |
| N-(4-ethoxyphenyl)-2-[4-[2-(methylthio)ethyl]-2,5-dioxo-1-imidazolidinyl]acetamide | | N-(4-ethoxyphenyl)-2-[4-[2-(methylthio)ethyl]-2,5-dioxo-1-imidazolidinyl]acetamide |
| N-[3-(1-azepanylsulfonyl)phenyl]-2-[4-(1H-indol-3-ylmethyl)-2,5-dioxo-1-imidazolidinyl]acetamide | | N-[3-(1-azepanylsulfonyl)phenyl]-2-[4-(1H-indol-3-ylmethyl)-2,5-dioxo-1-imidazolidinyl]acetamide |
| N-[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]-2-[4-methyl-4-(4-methylphenyl)-2,5-dioxo-1-imidazolidinyl]acetamide | | N-[4-(6-methyl-1,3-benzothiazol-2-yl)phenyl]-2-[4-methyl-4-(4-methylphenyl)-2,5-dioxo-1-imidazolidinyl]acetamide |
| nifurtoinol | An imidazolidine-2,4-dione that is hydantoin substituted at position 1 by a [(5-nitro-2-furyl)methylene]amino group and at position 3 by a hydroxymethyl group. | nifurtoinol |
| nitrofurantoin | An imidazolidine-2,4-dione that is hydantoin substituted at position 1 by a [(5-nitro-2-furyl)methylene]amino group. An antibiotic that damages bacterial DNA. | nitrofurantoin |
| phenytoin | A imidazolidine-2,4-dione that consists of hydantoin bearing two phenyl substituents at position 5. | phenytoin |