Abraham, Raymond J.; Lapper, Roy D.; Smith, Kevin M.; Unsworth, John F. published an article about the compound: Ethyl 3,5-Dimethyl-2-pyrrolecarboxylate( cas:2199-44-2,SMILESS:O=C(C1=C(C)C=C(C)N1)OCC ).Product Details of 2199-44-2. Aromatic heterocyclic compounds can be classified according to the number of heteroatoms or the size of the ring. The authors also want to convey more information about this compound (cas:2199-44-2) through the article.
The 13C NMR spectra of 55 pyrroles were determined and assigned. The pyrrole ring carbon chem. shifts were predicted, to ∼0.5 ppm, on the basis of additive substituent effects and contributions from steric and conjugative effects. The substituent chem. shift parameters were analogous to those for thiophenes. C-2 substituents affected mainly C-3 and C-5, and C-3 substituents mainly C-2.
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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com