Results 11 to 20 of about 89,156 (285)
Experimental validation of computational fluid dynamic codes (CFD) for liquid-solid risers in clean alkylation processes [PDF]
Hemijska Industrija, 2002 This manuscript, based on the presentation given by one of the authors (M.P. Dudukovic) at the Technological and Engineering Forum in Pančevo, May 21 2002, summarizes the use of the computer automated radioactive particle tracking (CARPT) and gamma ...
Duduković Milorad P. +3 more
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Regioselective Alkylation of an Oxonaphthalene-Annelated Pyrrol System
Molbank, 2009 The regioselective alkylation of an oxonaphthalene-annelated pyrrole system is reported. The regioselectivity of alkylation can be controlled by the selection of the solvent.
Helmut Spreitzer, Christiane Puschmann
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Alkylation of Magnesium Enamide with Alkyl Chlorides and Fluorides. [PDF]
ChemInform, 2005 AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access the actual ChemInform Abstract, please click on HTML or PDF.
Eiichi Nakamura +3 more
openaire +5 more sources
Study on the Alkylation Reactions of N(7)-Unsubstituted 1,3-Diazaoxindoles
Molecules, 2017 The chemistry of the 5,7-dihydro-6H-pyrrolo[2,3-d]pyrimidin-6-one (1,3-diazaoxindole) compound family, possessing a drug-like scaffold, is unexplored. In this study, the alkylation reactions of N(7)-unsubstituted 5-isopropyl-1,3-diazaoxindoles bearing ...
Eszter Kókai +5 more
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Alkylation of 2,4-(1H,3H)-Quinazolinediones with Dialkyl Carbonates Under Microwave Irradiations
Molecules, 2009 Alkylation is a very important chemical reaction which modifies the biological properties of drugs. Quinazolinedione derivatives are of considerable interest due to their wide array of pharmacological properties.We now report application of a practical ...
Martha Cecilia Meza +4 more
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Green Energy & Environment, 2022 Side-chain alkylation of toluene with methanol is a green pathway to realize the one-step production of styrene under mild conditions, but the low selectivity of styrene is difficult to be improved with by-products of ethylbenzene and xylene.
Zhe Hong +4 more
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Room-Temperature, Base-Mediated Selective Synthesis of 2-(Arylamino)ethanols and 2-Aryloxyethanols
SynOpen, 2019 A simple and efficient protocol for base-mediated selective synthesis of 2-(arylamino)ethanols from primary aromatic amines and 2-aryloxyethanols from phenols, promoted by K2CO3 has been achieved under mild conditions.
Rahul B. Sonawane +3 more
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Catalytic Alkylation of Brown Coal and Peat
Eurasian Chemico-Technological Journal, 2012 The alcohol alkylation of low-grade metamorphic coal and peat in the presence of mineral and organic acids was studied using FTIR, NMR, and GC-MS. The impact of the reaction conditions on the yield of extractable matter was investigated experimentally ...
S. I. Zherebtsov, Z. R. Ismagilov
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Uncommon reaction in 4-formyl phenols – substitution of the formyl group [PDF]
Proceedings of the Estonian Academy of Sciences, 2023 4-formyl phenols with electron donating groups in ortho-position react with active alkyl halides in three directions: Williamson reaction up to 48%, aromatic substitution of the formyl group up to 36%, and addition to the ortho-position with ...
Eleana Lopušanskaja +2 more
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New S-alkylated 1,2,4-triazoles incorporating diphenyl sulfone moieties with potential antibacterial activity [PDF]
Journal of the Serbian Chemical Society, 2009 Alkylation of the 5-{4-[(4-bromophenyl)sulfonyl]phenyl}-4-(3/4-methylphenyl)- 2,4-dihydro-3H-1,2,4-triazole-3-thiones 3a,b with various alkylation agents, i.e., ethyl bromide, phenacyl bromide and ethyl chloroacetate, afforded the S-substituted 1,2,4 ...
Barbuceanu Stefania F. +5 more
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