Ueber Synthese der Salicylsäure

Kolbe, H.

doi:10.1002/jlac.18601130120

Cited by 153 publications

(49 citation statements)

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“…25,26,13,27 O NaOH desempenha um papel essencial também na química orgânica, pois participa de diversas sínteses importantes, como na fabricação de polímeros e na produção de fármacos. Alguns exemplos desses usos em síntese orgânica são: síntese de Williamson, 28 que consiste na preparação de éteres alquil-arílicos (Esquema 6); síntese de KolbeSchmitt (Esquema 7) para a obtenção do ácido salicílico; 29 síntese de moléculas complexas como citrato de sidenafila, princípio ativo do Viagra® 30 e reações de saponificação, 28 para a para a preparação de sabões …”

Section: Usosunclassified

Sodium Hydroxide (CAS No. 62-53-3)

Silva¹

2012

Revista Virtual De Química

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Section: Usosunclassified

Sodium Hydroxide (CAS No. 62-53-3)

Silva¹

2012

Revista Virtual De Química

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“…This venerable method -dating from 1860 as a means for producing salicylic acid 8 -allows for carboxylations of aryl C-H bonds with high pressures of CO 2 . Here Gang Li and co-workers show that for 2-(hetero) arylphenols, an appropriate metal/ligand combination makes it possible to direct the carboxylation to the less nucleophilic aromatic ring, using atmospheric pressures of CO 2 .…”

mentioning

confidence: 99%

In phase with synthesis

2018

Nat Catal

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“…Finally, regardless of geographic location, CO 2 is abundant in the atmosphere. Thus, the development of ECO 2 -fix will provide both ecological and economic benefits.Since the discovery of the famous Kolbe-Schmidt reaction 22,23) and Grignard reaction 24) with CO 2 , several CO 2 fixation methods have been reported in the literature. …”

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confidence: 99%

“…Since the discovery of the famous Kolbe-Schmidt reaction 22,23) and Grignard reaction 24) with CO 2 , several CO 2 fixation methods have been reported in the literature.…”

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confidence: 99%

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Energyless CO<sub>2</sub> Absorption, Generation, and Fixation Using Atmospheric CO<sub>2</sub>

Inagaki

Okada

Matsumoto

et al. 2016

CHEMICAL & PHARMACEUTICAL BULLETIN

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From an economic and ecological perspective, the efficient utilization of atmospheric CO 2 as a carbon resource should be a much more important goal than reducing CO 2 emissions. However, no strategy to harvest CO 2 using atmospheric CO 2 at room temperature currently exists, which is presumably due to the extremely low concentration of CO 2 in ambient air (approximately 400 ppm 0.04 vol%). We discovered that monoethanolamine (MEA) and its derivatives efficiently absorbed atmospheric CO 2 without requiring an energy source. We also found that the absorbed CO 2 could be easily liberated with acid. Furthermore, a novel CO 2 generator enabled us to synthesize a high value-added material (i.e., 2-oxazolidinone derivatives based on the metal catalyzed CO 2 -fixation at room temperature) from atmospheric CO 2 .Key words carbon dioxide absorption; carbon dioxide generation; carbon dioxide fixation; cyclization; atmospheric chemistryIn 2014, the Intergovernmental Panel on Climate Change (IPCC) reported 1) that warming of the climate is unequivocal and that the largest contribution is a result of increasing atmospheric CO 2 since 1750. In the previous year, the National Oceanic and Atmospheric Administration (NOAA) in Mauna Loa, Hawaii, observed that the concentration of atmospheric CO 2 surpassed 400 ppm for the first time since measurements began in 1958. This value is approximately 120 ppm higher than that of the pre-industrial atmosphere (approximately 280 ppm).2) Global CO 2 emissions from fuel combustion in 2012 reached a record of 31.7 gigatons (GtCO 2 ) based on calculations performed by the International Energy Agency (IEA).3) On the other hand, there are many reports that CO 2 is not an essential source for Climate Change.4-10) The experimental fact can only prove the answer of these discussions. Thus, techniques for reduction of CO 2 must be globally important.Current efforts for CO 2 reduction include CO 2 capture and storage (CCS) 11) and artificial photosynthetic systems (APSs).12,13) CCS involves the capture of CO 2 using chemical absorbent (i.e., monoethanolamine, MEA 1 etc.) [14][15][16][17][18][19][20] in highdensity areas, such as industrial facilities and power stations, and transporting CO 2 to deep subsurface rock formations or the bottom of the ocean via pipelines. This is a useful and efficient technique that can prevent the release of large quantities of CO 2 . However, this technology does not provide any immediate economic benefit, and the captured CO 2 is not chemically altered. In the projects of CCS, the liberation of CO 2 gas from chemical absorbent requires heating at high temperature, which uses high amount of electricity. This means that introducing CCS plants spends one part of electricgenerating capacity in power station. The limited number of sites is also problematic because CCS plants must be constructed near areas with high CO 2 densities. In contrast, APSs use solar light and a metal catalyst. In this approach, CO 2 is transformed into HCO 2 H 12) or CO, 13) whereby the products c...

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Ueber Synthese der Salicylsäure

Cited by 153 publications

References 0 publications

Sodium Hydroxide (CAS No. 62-53-3)

Sodium Hydroxide (CAS No. 62-53-3)

In phase with synthesis

Energyless CO<sub>2</sub> Absorption, Generation, and Fixation Using Atmospheric CO<sub>2</sub>

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