Ferrocene Compounds. XIV*. Synthesis and Reactions of 3-Aryl-5-ferrocenyl-5-oxovaleric Acids [PDF]
, 1985 The Michael condensation of 3-aryl-l-ferrocenyl-2-propene-1-ones with diethyl malonate gave diethyl (1-aryl-3-ferrocenyl-3 oxopropyl)malonates. The alkaline hydrolysis of these products gave the corresponding dicarboxylic acids which were decarboxylated ...
Jasna Lasinger, Vladimir Rapić
core +1 more source
Synthesis and antimicrobial evaluation of 3-hydrazino-naphthoquinones as analogs of lapachol
Journal of the Brazilian Chemical Society, 2001 Several 1,4-naphthoquinone derivatives having a hydrazino side chain were synthesized from 3-diazo-naphthalene-1,2,4-trione and tested as potential antimicrobial agents.
Oliveira Claudia G. T. +6 more
doaj
Gas phase carbon acidity and correlations with aqueous pK~a~ values: A comparison of B3LYP/6-311++G(d,p), Gaussian-4 (G4), and experimental approaches [PDF]
, 2010 Gas phase standard state (298.15 K, 1 atm) calculations were conducted at the B3LYP/6-311++G(d,p) density functional and the Gaussian-4 (G4) composite method levels of theory to estimate the acidity of various carbon acids.
Kaya Forest, Sierra Rayne
core +2 more sources
Journal of Chemistry, 2019 In search for highly bioactive barbituric and thiobarbituric acid derivatives, some new barbituric and thiobarbituric acids bearing 1,2,4-triazine moiety and their related systems (5–13) have been obtained from the addition of isocyanate and ...
Abeer N. Al-Romaizan
doaj +1 more source
Rhodium catalyzed arylative cyclization of diynes with arylboronic acids [PDF]
, 2009 Thesis (Master)--İzmir Institute of Technology, Chemistry, İzmir, 2009Includes bibliographical references (leaves: 54-57)Text in English; Abstract: Turkish and Englishxii, 118 leavesThis study reveals that exo-conjugated cyclic dienes can be synthesized ...
Ürer, Bağdagül
core
Development of photoredox-catalysed transformation of enamides and allenamides [PDF]
, 2018 Enamides and allenamides are two versatile functional groups that offer a wide variety of alternatives for the inclusion of nitrogen-based moiety into an organic system.
Kayode Koleoso (1249539)
core +1 more source
Cyclobutenes by Platinum-Catalyzed Cycloisomerization Reactions of Enynes [PDF]
, 2005 1,6-Enynes bearing (electron-rich) aryl substituents on their alkyne moiety rearrange to cyclobutene derivatives in the presence of catalytic amounts of PtCl2 in toluene. The reaction is significantly accelerated when performed under an atmosphere of CO (
Davies, P., Fürstner, A., Gress, T.
core +2 more sources
GC-MS Analysis of Membrane-Graded Fulvic Acid and Its Activity on Promoting Wheat Seed Germination
Molecules, 2016 The chemical composition of fulvic acid (FA) with a molecular weight below 500 (FA-500) was analyzed, and its activity on promoting the seed germination of wheat was studied in this paper.
Yi Qin +5 more
doaj +1 more source
Synthesis of 3-fluoro-oxindoles and phenyl fluoroacetic acid derivatives [PDF]
, 2013 Fluorinated heterocycles are potentially interesting compounds for the pharmaceutical and agrochemical industry. Fluorinated indole and oxindole derivatives are generally synthesised by late stage fluorination methodologies (Selectfluor™, NFSI).
HARSANYI, ANTAL
core
Synthesis and Activity of Six-Membered Cyclic Alkyl Amino Carbene–Ruthenium Olefin Metathesis Catalysts [PDF]
, 2020 Ru–cyclic alkyl amino carbene (Ru–CAAC) olefin metathesis catalysts perform extraordinarily in metathesis macrocyclization and ethenolysis, but previous studies have been limited to the use of five-membered CAAC (CAAC-5) ligands.
Grubbs, Robert H. +4 more
core