Recommanded Product: 70-23-5. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: Ethyl 3-bromo-2-oxopropanoate, is researched, Molecular C5H7BrO3, CAS is 70-23-5, about Synthesis, spectroscopic, SC-XRD characterizations and DFT based studies of ethyl 2-(substituted-(2-benzylidenehydrazinyl))thiazole-4-carboxylate derivatives. Author is Haroon, Muhammad; Khalid, Muhammad; Akhtar, Tashfeen; Tahir, Muhammad Nawaz; Khan, Muhammad Usman; Saleem, Muhammad; Jawaria, Rifat.
Two (arylmethylenehydrazinyl)thiazolecarboxylates were prepared; their structures were determined by X-ray crystallog. The bond vibrations and UV/visible absorptions were determined for the (arylmethylenehydrazinyl)thiazolecarboxylates; the HOMO and LUMO orbitals, electrophilicity, electron affinity, ionization potentials, electronegativities, and first- and second-order hyperpolarizabilities were determined computationally.
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Reference:
Oxazolidine – Wikipedia,
Oxazolidine | C3H7NO – PubChem