Abstract
The asymmetric unit of the title compound, C29H29N3O3, contains two molecules, which exist in their enamine–keto form, being stabilized by strong intramolecular N—H⋯O hydrogen bonds, which generate S(6) loops. In the crystal, intermolecular C–H⋯O hydrogen bonds link the molecules into chains, which are further linked by weak C—H⋯π interactions, forming a two-dimensional network.
Highlights
The asymmetric unit of the title compound, C29H29N3O3, contains two molecules, which exist in their enamine–keto form, being stabilized by strong intramolecular N—H O
Since amino acid esters possess good antibacterial and biological activations (Xiong et al, 1993), we have studied the reactions of Hpmtp and amino acid esters
Inter-molecular C–H···O hydrogen bonds (Table 1) link the molecules into 1-D chain (Fig.2), which is further linked by weak C–H···π interactions (Table 1) to form a two-dimensional network (Fig.3), in which they may be effective in the stabilization of the structure
Summary
R factor = 0.048; wR factor = 0.132; data-to-parameter ratio = 14.4. Hydrogen-bond geometry (Å, ). The asymmetric unit of the title compound, C29H29N3O3, contains two molecules, which exist in their enamine–keto form, being stabilized by strong intramolecular N—H O hydrogen bonds, which generate S(6) loops. In the crystal, intermolecular C–H O hydrogen bonds link the molecules into chains, which are further linked by weak C—H interactions, forming a two-dimensional network. Cg6 is the centroid of C30–C35 ring. Symmetry codes: (i) x þ 1; y; z; (ii) x þ 1; y þ 2; z þ 1; (iii) x; y þ 1; z þ 2; (iv) x 1; y; z.
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