Results 1 to 10 of about 13,312 (269)
The ozonation of aromatic compounds in low-pH water is ineffective. In an acidic environment, the decomposition of ozone into hydroxyl radicals is limited and insufficient for the degradation of organic pollutants.
Lilla Fijołek +2 more
doaj +1 more source
Léon Prunier (1846-1906), a French pharmacist and physician, who studied the synthesis of polypropylene hydrocarbons by the reaction of propylene bromide with nascent hydrogen prepared by different means, and the synthesis of ethylene acetylene; proving
Jaime Wisniak
doaj +1 more source
Insect antifeedant potent 9H-fluorenacylbromides [PDF]
Background: Attempts to produce greener bromination of 2-acetyl 9H-fluorene with KBr+KBrO3 reagent using fly-ash:H2O catalyst in aqueous media gave 9H-fluorenacylbromides.
G. Thirunarayanan
doaj +1 more source
Synthesis of potent MDA-MB 231 breast cancer drug molecules from single step
We have prepared novel potent breast cancer drug molecules from non-toxic and inexpensive method. Column chromatography is not necessary for purification of target molecules. The value of overall atom economy, environmental factor, environmental catalyst
Senthilnathan Govindaraj +5 more
doaj +1 more source
An expeditious approach to the construction of spiroindenyl-2-oxindoles was developed via a palladium-catalyzed spirocyclization reaction of 2-bromoarylamides with vinyl bromides.
Shuai Yang, Yanghui Zhang
doaj +1 more source
Therapy with bronchodilators forms the pharmacologic foundation of the treatment of patients with COPD. Bronchodilators can significantly lessen dyspnea, increase airflow, improve quality of life, and enhance exercise performance. While bronchodilators decrease airway resistance and lessen dynamic hyperinflation in patients with COPD, they have not ...
openaire +2 more sources
Synthesis of long-chain alkyl and alkenyl bromides
Long-chain alkyl and alkenyl bromides are obtained in quantitative yields by the reaction of methanesulfonates with anhydrous magnesium bromide in absolute ether; cis-trans isomerization of double bonds does not occur.
Wolfgang J. Baumann, Helmut K. Mangold
doaj +1 more source
Borylated aryl alkynes have been synthesized via one-pot iridium catalyzed C–H borylation (CHB)/Sonogashira cross-coupling of aryl bromides. Direct borylation of aryl alkynes encountered problems related to the reactivity of the alkyne under CHB ...
Ghayoor A. Chotana +4 more
doaj +1 more source
A highly stereoselective dibromination of diphenylphosphorylallenes using N-bromosuccinimide (NBS) as bromine reagent is developed, wherein a variety of 2-bromo-substituted allyl bromides were obtained in good to excellent yields under mild reaction ...
Qiang Wang +3 more
doaj +1 more source

