Abstract
The asymmetric unit in the title compound, C24H26N2O3, comprises two independent molecules (A and B). In molecule A, the central 2-hydroxyphenyl ring is inclined to the mean plane of the major component of the imidazolidine ring by 84.52 (14)°, and by 68.08 (9) and 47.48 (9)° to the outer phenol rings. The later are inclined to one another by 66.76 (9)° and by 78.12 (14) and 80.20 (14)° to the imidazoline ring mean plane. In molecule B, the central 2-hydroxyphenyl ring is inclined to the mean plane of the imidazolidine ring by 73.64 (10)°, and by 75.60 (8) and 38.32 (9)° to the outer phenol rings. The later are inclined to one another by 69.47 (9)° and by 82.60 (10) and 64.26 (10)° to the imidazolidine ring mean plane. In each of the independent molecules, two intramolecular O—H⋯N hydrogen bond form S(6) ring motifs. In disordered molecule A, the O—H groups of the 2-hydroxybenzyl groups are also involved in intramolecular O—H⋯O hydrogen bonds, with the O atom of the hydroxyphenyl group acting as the acceptor. In the crystal, A molecules are linked by pairs of O—H⋯O hydrogen bonds forming inversion dimers. These dimers are linked to the B molecules via O—H⋯O hydrogen bonds forming double-layered slabs lying parallel to the bc plane.
Highlights
The asymmetric unit in the title compound, C24H26N2O3, comprises two independent molecules (A and B)
A, the central 2-hydroxyphenyl ring is inclined to the mean plane of the major component of the imidazolidine ring by
In molecule B, the central 2-hydroxyphenyl ring is inclined to the mean plane of the imidazolidine ring by
Summary
Departamento de Quımica, Facultad de Ciencias, Universidad Nacional de Colombia, Sede Bogotá, Cra 30 No 45-03, Bogotá, Código Postal 111321, Colombia, and bInstitute of Physics, Academy of Sciences of the Czech Republic v.v.i., Na Slovance 2, 182 21 Praha 8, Czech Republic
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