Results 91 to 100 of about 3,055 (208)

Синтез (2-фторфенил)-и (4-фторфенил)-(2-нитрометилциклопентил)метанонов как предшественников фторсодержащих простаноидов [PDF]

open access: yes, 2014
Осуществлен синтез новых фторсодержащих первичных нитросоединений ? (2-фторфенил) и (4-фторфенил)-(2-нитрометилциклопентил)метанонов посредством 1,4-присоединения нитрометана к 1-ацилциклопентенам, полученным в результате восстановительного расщепления ...
Антоневич, Инесса Петровна   +2 more
core  

Deep Eutectic Solvents: The Organic Reaction Medium of the Century [PDF]

open access: yes, 2016
This microreview summarizes the use of deep eutectic solvents (DESs) and related melts in organic synthesis. Solvents of this type combine the great advantages of other proposed environmentally benign alternative solvents, such as low toxicity, high ...
Abbott   +192 more
core   +2 more sources

Syntheses of Isoxazoline-Based Amino Acids by Cycloaddition of Nitrile Oxides and Their Conversion into Highly Functionalized Bioactive Amino Acid Derivatives [PDF]

open access: yes, 2012
The present account illustrates the syntheses of isoxazoline- based amino acids by the cycloaddition of 1,3-dipolar nitrile oxides to the C–C double bond of unsaturated amino acid derivatives, with focus on the regio- and stereoselectivities of the ...
Fülöp, Ferenc   +2 more
core  

One-step synthesis of differently bis-functionalized isoxazoles by cycloaddition of carbamoylnitrile oxide with β-keto esters [PDF]

open access: yes, 2012
A new protocol for synthesizing different functionalized isoxazoles is provided. Carbamoylnitrile oxide generated from nitroisoxazolone underwent inverse electron-demand 1,3-dipolar cycloaddition with 1,3-dicarbonyl compounds in the presence of magnesium
975   +15 more
core   +1 more source

Aryl nitrile oxide cycloaddition reactions in the presence of pinacol boronic acid ester

open access: yesBeilstein Journal of Organic Chemistry, 2012
An aryl substrate with dual functionality consisting of a nitrile oxide and a pinacolyl boronate ester was prepared by mild hypervalent iodine oxidation (diacetoxyiodobenzene) of the corresponding aldoxime, without decomposition of the boronate ...
Sarah L. Harding   +2 more
doaj   +1 more source

Optimising systemic insecticide use to improve malaria control

open access: yesBMJ Global Health, 2019
BackgroundLong-lasting insecticidal nets and indoor residual sprays have significantly reduced the burden of malaria. However, several hurdles remain before elimination can be achieved: mosquito vectors have developed resistance to public health ...
Hannah R Meredith   +2 more
doaj   +1 more source

Synthesis and Characterization of Some New Pyrazoline and Isoxazoline Derivatives as Antibacterial Agents

open access: yesمجلة بغداد للعلوم, 2016
In this paper some chalcones (C1-C8) are prepared based on the reaction of one mole of substituted acetophenone with one mole of substituted benzaldehydes in the presence of (40%) sodium hydroxide as a base.
Baghdad Science Journal
doaj   +1 more source

Транс-гидроксилирование ряда циклопен-5ЕН[d]изоксазолинов [PDF]

open access: yes, 2013
Титульная реакция была изучена как вариант функционализации циклопентанового кольца циклопент-5-ен[d]изоксазолинов ? ключевых интермедиатов в полном синтезе азоти кислородсодержащих простаноидов в рамках нитрилоксидного подхода.
Антоневич, Инесса Петровна   +1 more
core  

Sintesis Pirazolin dari Kalkon 3-kloro Inti Naftalen dan Uji Aktivitasnya sebagai Antibakteri [PDF]

open access: yes, 2014
Pyrazolines have been reported to possess many of interesting biological activities such as antimicrobial, antidepressant, antitumor, antioxidant, antiinflammatory, anticancer and anticonvulsant activity .
Jasril, J. (Jasril)   +2 more
core  

Synthesis of (2-fluorophenyl) and (4-fluorophenyl)-(2-nitromethyl)-methanones as precursors of fluorinated prostanoids [PDF]

open access: yes, 2014
The synthesis of new fluorinated primary nitrocompounds ?(2-fluorophenyl)and (4-fluorophenyl)-(2-nitromethylcyclopentyl)methanones has been realized by the nitromethane 1,4-addition to 1-acylcyclopentenes, available by the reductive cleavage of ...
Antonevich, I. P.   +2 more
core  

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