Application In Synthesis of 4-Methoxybenzaldehyde. Authors Stojiljkovic, IN; Rancic, MP; Marinkovic, AD; Cvijetic, IN; Milcic, MK in PERGAMON-ELSEVIER SCIENCE LTD published article about in [Stojiljkovic, Ivana N.; Rancic, Milica P.] Univ Belgrade, Fac Forestry, Kneza Viseslava 1, Belgrade 11030, Serbia; [Marinkovic, Aleksandar D.] Univ Belgrade, Fac Technol & Met, Karnegijeva 4, Belgrade 11120, Serbia; [Cvijetic, Ilija N.; Milcic, Milos K.] Univ Belgrade, Fac Chem, Studentski Trg 12-16, Belgrade 11000, Serbia in 2021, Cited 69. The Name is 4-Methoxybenzaldehyde. Through research, I have a further understanding and discovery of 123-11-5
Electronic interactions in donor-pi-linker-acceptor systems with barbituric acid as an electron acceptor and possible electron donor were investigated to screen promising candidates with a push-pull character based on experimental and quantum chemical studies. The tautomeric properties of 5-benzylidenebarbituric acid derivatives were studied with NMR spectra, spectrophotometric determination of the pKa values, and quantum chemical calculations. Linear solvation energy relationships (LSER) and linear free energy relationships (LFER) were applied to the spectral data – UV frequencies and C-13 NMR chemical shifts. The experimental studies of the nature of the ground and excited state of investigated compounds were successfully interpreted using a computational chemistry approach including ab initio MP2 geometry optimization and time-dependent DFT calculations of excited states. Quantification of the push-pull character of barbituric acid derivatives was performed by the (CNMR)-C-13 chemical shift differences, Mayer pi bond order analysis, hole-electron distribution analysis, and calculations of intramolecular charge transfer (ICT) indices. The results obtained show, that when coupled with a strong electron-donor, barbituric acid can act as the electron-acceptor in push-pull systems, and when coupled with a strong electron-acceptor, barbituric acid can act as the weak electron-donor. (C) 2021 Elsevier B.V. All rights reserved.
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Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
,Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles