Most of the natural products isolated at present are heterocyclic compounds, so heterocyclic compounds occupy an important position in the research of organic chemistry. A compound: 2199-44-2, is researched, SMILESS is O=C(C1=C(C)C=C(C)N1)OCC, Molecular C9H13NO2Journal, Russian Journal of General Chemistry called Synthesis and spectral properties of new 3,3′-bis(dipyrrolylmethene) with acetylene spacer, Author is Antina, E. V.; Guseva, G. B.; Loginova, A. E.; Semeikin, A. S.; V’yugin, A. I., the main research direction is bistetramethyl ethyldipyrrolylmethenyl acetylene dihydrobromide preparation; quantum chem simulation conformation spectral.Category: thiazolidine.
Bis(2,4,7,9-tetramethyl-8-ethyldipyrrolylmethen-3-yl)acetylene dihydrobromide (H2L·2HBr), new bis(dipyrrolylmethene), in whose mol. dipyrrolylmethene domains were connected through 3,3′-carbon atoms of internal pyrrole nuclei by acetylene spacer, were synthesized by original procedure. The compound was characterized by element anal., IR, 1H NMR, and electronic spectroscopy. The comparative anal. of spectral properties shows the reduction of the basicity of H2L ligand in comparison with the structural analogs, which contain internal methylene spacer. The quantum-chem. simulation showed that the rigid acetylene spacer gives linear structure to the H2L mol. in contrast to the spiral-shaped geometry of structural analogs with -CH2- spacer.
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Reference:
Thiazolidine – Wikipedia,
Thiazolidine – ScienceDirect.com