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A highly efficient, novel, two‐phase liquid method using phase transfer catalyst is reported to prepare β‐lactam‐conjugated silver nanoparticles as an approach to improve antibacterial activity of β‐lactams. In the method assisted by cetyltrimethylammonium bromide, NaBH4 reduced AgNO3 producing silver NPs that are coated with β‐lactams. The studies conducted provide a generalized method applicable to all types of β‐lactam substrates for capping on silver NPs. The NPs have been characterized by UV–Visible, Fourier transform infrared spectroscopy, x‐ray diffraction, transmission electron microscopy, and dynamic light scattering methods. [ABSTRACT FROM AUTHOR]

This document provides information on the synthesis and characterization of novel β-lactam compounds. The authors conducted studies using different starting materials and reaction conditions, and the results are summarized in tables and schemes. The document also includes detailed experimental procedures and characterization data for the synthesized compounds, such as physical properties and spectroscopic data. The information presented can be useful for researchers studying β-lactam compounds and their properties. The authors acknowledge their affiliations and declare no conflicts of interest. Additional characterization spectra can be found in a separate publication. [Extracted from the article]