J. Dunkers, H. Ishida
May 1, 1995
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Journal
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy
Abstract
Abstract The compound N,N-bis(3,5-dimethyl-2-hydroxybenzyl)methylamine is synthesized to model the phenolic resulting from ring opening polymerization of benzoxazine monomers. Fundamental vibrational assignments of N,N-bis(3,5-dimethyl-2-hydroxybenzyl)methylamine are made by the analysis of the fingerprint region (2000-500 cm −1 ) of the infrared and Raman spectra of crystalline, quenched, and molten dimers. In addition, the hydrogens in the methylene bridge structure are deuterated to provide insight into vibrations due to the presence of the bridge structure. The structure of hydrogenated and deuterated model dimers is verified by 1 H and 13 C nuclear magnetic resonance spectroscopy.