Recommanded Product: Ethyl 3,5-Dimethyl-2-pyrrolecarboxylate. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Ethyl 3,5-Dimethyl-2-pyrrolecarboxylate, is researched, Molecular C9H13NO2, CAS is 2199-44-2, about Chemistry of pyrrole pigments. III. Nitrogen-hydrogen tautomerism of substituted pyrromethenes. Proton nuclear magnetic resonance spectrometric investigations. Author is Falk, H.; Gergely, S.; Hofer, O..
The temperature-, solvent-, and concentration-dependence of the NMR of the pyrromethenes(I thru VI) was examined and the chem. shifts were assigned and the long range coupling constants were determined Intra- and intermol. proton transfer was observed; tautomeric NH exchanges at -100° were too fast to be measured by NMR.
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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com