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Synthetic polyphenol antioxidants inhibit the formation of active carboxyl compounds in cooking oil
Time of Update: 2021-02-10
and Food Chemistry online January 17, 2021. Professor Lu Lishuang and Dong Wenjiang, associate researchers, are co-authors of this paper. highlight: Introduction oils and fats play an important role in food quality
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An Isotope Coding Strategy for Proteomics Involving Both Amine and Carboxyl Group Labeling
Time of Update: 2020-12-02
A stable isotope coding strategy is described for the analysis of all types of tryptic peptides, including those that areN-terminally blocked and from the C-terminus of proteins.
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Carboxyl.
Time of Update: 2020-11-24
In the anions of nitric acid, the averageization of bonds occurs due to the off-field action of electrons.
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A derivative of carboxylic acid.
Time of Update: 2020-10-26
(iii) photogas and dual-light gas photogas (COCL2) is carbonated diacet chlorine, colorless gas at room temperature, can be compressed into a liquid, boiling point of 8.3 degrees C, soluble in benzene, toluene.
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Angelw: decarboxylation coupling reaction of alkenylborate, halogenated compound and carboxylic acid
Time of Update: 2020-01-15
In organic synthesis, it is the pursuit of chemists to transform bulk chemicals into products with more complex structure and higher added value
Among them
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Li Yang research group of Xi'an Jiaotong University: visible light catalyzed decarboxylation and dehydrogenation of heteroaromatics and carboxylic acids
Time of Update: 2019-09-07
Recently, the research group has developed a visible light induced Minisci reaction for decarboxylation of alkylcarboxylic acids (Fig. 1, EQ 4).
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JACS: photocatalytic carboxylation of benzyl C-H bond
Time of Update: 2019-07-21
Recently, the research group of Professor Burkhard K ö nig, University of Regensburg, Germany, realized the first visible light mediated carboxylation of benzyl sp 3c-h with CO 2 under the action of photosensitizer and hat catalyst.
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of quinone and lactone -- Preparation of quinone carboxylic acid derivatives
Time of Update: 2019-07-17
Introduction quinone derivatives widely exist in nature
Many quinone compounds have been used in the field of medicine due to their unique structural and functional
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ACS catalyst: RhCl3 · 3H2O catalyzed C (SP2) - H alkoxycarbonylation to prepare indole and pyrrole-2-carboxylate
Time of Update: 2019-06-03
(source: ACS catalyst.) in addition, the method can also be used to prepare ester functionalized pyrrole derivatives (scheme 4).
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) catalyses the chemical selective C-H carboxylation of aromatic rings with CO2 participation
Time of Update: 2019-05-15
The C-H bond carboxylation of aromatic compounds catalyzed by transition metals, in which CO 2 is involved, has shown a good development potential due to its high efficiency, green
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JACS: synthesis of ketones, alcohols and amines by carboxylic acid derived radicals
Time of Update: 2019-05-13
Grignard reaction is one of the basic reactions in organic synthesis, which is widely used in the synthesis of ketones, alcohols and amines
Although it has
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NHC catalyzed asymmetric acetalization of carboxylic acids to prepare chiral phthalate prodrugs
Time of Update: 2019-04-28
(source: Nat. Commun.) after obtaining the optimal reaction conditions, the author first studied the universality of carboxylic acid derivatives (Fig. 2).
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Progress in computational analysis of the catalytic mechanism of carboxylic acid reductase
Time of Update: 2019-02-05
Carboxylic acid reductase (car) is a kind of multifunctional enzyme, which is widely distributed in bacteria , fungi and some plants, depending on cofactors ATP and NADPH, can
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Enantioselective C (SP3) - H amidation of thioamide catalyzed by angelw: CO (III) / chiral carboxylic acid
Time of Update: 2018-12-07
Based on the above results, the author began to study the amidation reaction of thioamide 1a and dioxazolone 2a in the hope that chiral carboxylic acids can promote enantioselective synergistic metallization process (Table 1).
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synergize to catalyze direct deoxydeuterium reaction of carboxylic acid
Time of Update: 2018-11-02
Author: Wang Dongping's deuterium labeling technology has long been considered as an important tool for drug metabolism analysis, reaction mechanism research, nuclear magnetic
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Nat. Chem.: Professor Tobias Ritter of Max Planck Institute of coal research in Germany reported the decarboxylation of carboxylic acids by CO and photocatalysis
Time of Update: 2018-11-01
As one of the most basic structural units in organic chemistry, olefins are widely used in the synthesis of polymers, detergents, lubricants, perfumes and pharmaceutical
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JACS: Yu Jinquan research group of Scripps Institute realizes β - C (SP3) - H olefinization of free carboxylic acid
Time of Update: 2018-08-04
In the past ten years, the directed C (SP 3) - H activation of fatty acids with various guiding groups has provided a new fracture mode for organic synthesis, while the carboxyl
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Nat. Catalyst: site selective C-H direct carboxylation of aromatic rings with CO2 participation
Time of Update: 2018-06-09
How to use CO2 more efficiently in chemical synthesis has become a hot issue for chemists
On the other hand, C-H bond activation is also the frontier of organic
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Carboxylation of hydrazone with CO2 catalyzed by ruthenium
Time of Update: 2018-05-29
SCI.) conclusion: Yu Dagang group, Li Chaojun group and Lan Yu group have achieved the first time of ruthenium catalyzed carboxylation of hydrazone and CO 2 under mild conditions, and prepared important aryl acetic acid compounds.
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The latest achievement of Yu Jin Quan Group: asymmetric C (SP3) - H arylation of free carboxylic acid catalyzed by Pd (II)
Time of Update: 2018-05-27
In addition, aryl iodides containing bromine, phosphonates and aldehydes can obtain the target products with high yield and good enantioselectivity.
