The
1H NMR spectrum of N-methylmaleimide contains two signals: one for the hydrogen atoms of the methyl group and one for the vinylic hydrogen atoms.
References
^Roux, María Victoria; Jiménez, Pilar; Martín-Luengo, Maria Ángeles; Dávalos, Juan Z.; Sun, Zhiyuan; Hosmane, Ramachandra S.; Liebman, Joel F. (1997). "The Elusive Antiaromaticity of Maleimides and Maleic Anhydride: Enthalpies of Formation of N-Methylmaleimide, N-Methylsuccinimide, N-Methylphthalimide, and N-Benzoyl-N-methylbenzamide". The Journal of Organic Chemistry. 62 (9): 2732–2737.
doi:
10.1021/jo9621985.
PMID11671632.
The
1H NMR spectrum of N-methylmaleimide contains two signals: one for the hydrogen atoms of the methyl group and one for the vinylic hydrogen atoms.
References
^Roux, María Victoria; Jiménez, Pilar; Martín-Luengo, Maria Ángeles; Dávalos, Juan Z.; Sun, Zhiyuan; Hosmane, Ramachandra S.; Liebman, Joel F. (1997). "The Elusive Antiaromaticity of Maleimides and Maleic Anhydride: Enthalpies of Formation of N-Methylmaleimide, N-Methylsuccinimide, N-Methylphthalimide, and N-Benzoyl-N-methylbenzamide". The Journal of Organic Chemistry. 62 (9): 2732–2737.
doi:
10.1021/jo9621985.
PMID11671632.