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The synthesis and decomposition of dimethyl carbonate …
Our guanidine carbonate is the raw material for high-grade cosmetics, a synergistic agent for detergents or used for the synthesis of flame retardants.
It is used in textile industry too.

But, whichever cleavage reagent is preferred, it has to be washed out very carefully after Fmoc removal, the last washing must be neutral. When synthesizing large peptides the duration of Fmoc cleavage should be gradually increased. For safe removal of the deblocking reagent the resin may have to be washed more often.
Shape Controlled Synthesis of Barium Carbonate ..

Propylene carbonate (PC) is a polar aprotic substance with very similar physicochemical characteristics to the organic solvents traditionally used for organic synthesis, such as acetonitrile and acetone. Therefore, PC is beginning to be used as a “green” sustainable alternative solvent for chemical transformations. PC is a low toxicity, non-corrosive colourless liquid with a high boiling point and low vapour pressure. It is biodegradable and economical, allowing its large-scale use. PC can be prepared by a reaction between propylene epoxide and carbon dioxide with 100% atomic economy. The easy preparation of propylene epoxide and the use of an available, abundant, economical, and renewable source of carbon, such as CO2, make this process one of the best routes for the synthesis of PC. Therefore, we present in this review numerous catalytic systems that have been studied to improve the efficiency of this reaction. Certain interesting examples of reactions using PC are found in the literature, of which we discuss asymmetric hydrogenation, hydrosilylation, asymmetric aldol reactions, the asymmetric synthesis of cyanohydrins, the synthesis of heterocyclic compounds, such as bisindole and tetrahydroquinoline, the hydroacylation of alkynes, α-hydrazination reactions, oxidations, the Sonogashira reaction, allylic alkylation and asymmetric amination, the Heck reaction, enzymatic kinetic resolution, and isomerisation-hydroformylation reactions.
and and and (2016)Low Metal Loading Palladium Mixed-Oxides Catalyst for the Synthesis of Glycerol Carbonate. Asian Journal of Applied Sciences, 4 (1). pp. 181-189. ISSN 2321–0893
Room temperature synthesis of glycerol carbonate …

AB - CeO2-ZrO2 solid solution catalysis are very effective for the selective synthesis of dimethyl carbonate from methanol and CO2. The activity was much dependent on the calcination temperature. The higher the calcination temperature, the higher the activity of the catalyst for DMC formation, though the BET surface area is lower on the catalyst calcined at higher temperature.
N2 - CeO2-ZrO2 solid solution catalysis are very effective for the selective synthesis of dimethyl carbonate from methanol and CO2. The activity was much dependent on the calcination temperature. The higher the calcination temperature, the higher the activity of the catalyst for DMC formation, though the BET surface area is lower on the catalyst calcined at higher temperature.
![Answer to Synthesis of [Co(NH3)4CO3]NO3, adding additional ammonium carbonate reaction](/images/ammonium-carbonate-synthesis_38021141.jpg)
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Guanidine carbonate--Hebei Smart Chemicals Co.,Ltd.
Glycerol carbonate can be readily synthesized from glycerol and urea catalyzed by PdZnO, PdSnO2, SnO2, and ZnO. The superior catalytic activity of ZnO over SnO2 is mainly due to basicity property. The incorporation of low metal loading of Pd on both SnO2 and ZnO produced higher yield of glycerol carbonate to bulk material counterpart. In addition, the sol-gel technique was shown to have higher turn-over frequency (TOF) due to highly disperse Pd with small crystallite size.
Larock indole synthesis - Wikipedia
CeO2-ZrO2 solid solution catalysis are very effective for the selective synthesis of dimethyl carbonate from methanol and CO2. The activity was much dependent on the calcination temperature. The higher the calcination temperature, the higher the activity of the catalyst for DMC formation, though the BET surface area is lower on the catalyst calcined at higher temperature.
Copper(II) carbonate - Wikipedia
Different morphosynthesis strategies for BaCO3 using natural polysaccharide-gum acacia (GA) as templating species are presented. The influence of GA with different functionalities such as –OH, –COOH and -NH2 on the crystallization and structure formation was investigated. Some interesting morphologies, including rods, dumbbell, double-dumbbell and flower like clusters, can be readily generated by using GA as cooperative modifier in the mineralization process, under the conditions of 0.5%, 1% of templating species and at ambient temperature. The modifier GA and its concentration is the key factor in this system. In continuation, morphology was also examined for mixed metal carbonates (Ba-LaCO3, Ba-TbCO3). The possible formation mechanism of the nanocrystallites is discussed. Structural characterization of the synthesized materials was investigated byPowder X-ray diffraction (XRD), Scanning Electron Microscopy (SEM), Energy Dispersive Analysis (EDAX), Transmission Electron Microscopy (TEM), Thermogravimetric analysis (TGA) coupled Mass (MS) and Fourier Transform Infrared spectroscopy (FT-IR).
Scora | Magnesium and Calcium expert
Cleavage of samples may seem a rather elaborate way of monitoring an SPPS, but it is the most comprehensive method. It is especially useful when the synthesis has to be optimized or documented or when negative color tests results are obtained because of scarcely accessible coupling sites.
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