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3-Isobutyl-5,5-di-phenyl-imidazolidine-2,4-dione.

ABSTRACT: The imidazolidine ring in the title mol-ecule, C₁₉H₂₀N₂O₂, is slightly 'ruffled'. In the crystal, a layer structure is generated by N-H⋯O and C-H⋯O hydrogen bonds plus C-H⋯π(ring) inter-actions.

SUBMITTER: Guerrab W

PROVIDER: S-EPMC9462038 | biostudies-literature | 2022 Jun

REPOSITORIES: biostudies-literature

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3-Isobutyl-5,5-di-phenyl-imidazolidine-2,4-dione.

Guerrab Walid W El Moutaouakil Ala Allah Abderrazzak A Alsubari Abdulsalam A Mague Joel T JT Ramli Youssef Y

IUCrData 20220610 Pt 6

The imidazolidine ring in the title mol-ecule, C19H20N2O2, is slightly 'ruffled'. In the crystal, a layer structure is generated by N-H⋯O and C-H⋯O hydrogen bonds plus C-H⋯π(ring) inter-actions. ...[more]

PMID: 36339896

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3-Amino-5,5-di-phenyl-imidazolidine-2,4-dione.

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Project description:The title compound, C(20)H(20)N(2)O(3), is a head-to-tail oxetane, one of the regioisomers obtained by the the Paternó-Büchi reaction of 1,3-dimethyl-thymine with benzophenone. The oxetane ring is folded, the dihedral angle between the C-O-C and C-C-C planes being 14.4 (2)°. The dihedral angle between the two phenyl rings is 64.3 (2)°. The pyrimidine ring adopts a boat conformation. The crystal structure involves weak C-H⋯O hydrogen bonds.

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Crystal structure of 5,5'-[(4-fluoro-phen-yl)methyl-ene]bis-[6-amino-1,3-di-methyl-pyrimidine-2,4(1H,3H)-dione].

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