Protein precipitation reaction - heavy metal salt precipitation protein.
Time of Update: 2020-10-19
3. In the test tube of copper sulfate to produce protein precipitation, pour out most of the precipitation, leave a small amount of precipitation, continue to add 5% CuSO4 solution, observe the dissolution of precipitation.
Nature catalysis: intermingled pumperer reaction activated metal free photocatalytic C-H / C-H coupling of aromatics
Time of Update: 2020-02-16
In order to simplify the synthesis process, the method of directly activating the C-H bond of the reaction substrate and selectively coupling C-H / C-H to obtain (hetero) diaryl structure has become more and more mature in recent years.
Liu Song, Professor of Hunan University: one step synthesis of metal 1t '- sn0.3w0.7s2 nano sheet for hydrogen evolution reaction with template assisted
Time of Update: 2019-12-18
Recently, by using 1t-sns2 as template, Liu Song's research group of Hunan University prepared Sn 0.3w 0.7s2 with distorted octahedral coordination metastable 1t 'phase structure by liquid-phase synthesis, which has high intrinsic conductivity and significantly improved her catalytic performance (adv.
by multicomponent reactions of aromatic ketones, aldehydes and ammonium salts without transition metals
Time of Update: 2019-10-14
Recently, Deng Guojun, Professor of the school of chemistry, Xiangtan University, selected pyrimidine and pyridine compounds from aromatic aldehydes and ketones, aldehydes and ammonium salts without transition metals.
Wang Tao research group of Shaanxi Normal University: series reaction of isoquinoline nitrogen
Time of Update: 2019-07-22
Quinoline and isoquinoline are important structural units of alkaloids and drug molecules
As a member of the isoquinoline alkaloid family, N - fused polycyclic
hydrogen production technology with high safety and economy by aluminum water reaction triggered by liquid metal
Time of Update: 2019-07-04
International Journal of hydrogen energy, 2016, 41, 1453-1459), and studied the effect of different binary gallium based alloys on the hydrogen production performance of triggering aluminum water reaction (Tan s.c., et al.
Angelw: cross coupling reaction of benzothiophene s-oxide with styrene without metal catalysis
Time of Update: 2019-05-05
1,3-dienes are widely found in natural products, bioactive compounds and precursors of organic materials
Therefore, the development of synthesis methods of asymmetric
of all substituted triazoles by transition metal catalyzed cycloaddition reaction
Time of Update: 2018-11-28
The 1,2,3-triazole compounds synthesized by click chemistry are very important linking modules, which are widely used in the fields of material chemistry, biochemistry and polymer
Research and development of four component quinazoline synthesis reaction without metal by Professor Deng Guojun of Xiangtan University
Time of Update: 2018-11-19
(source: Green chem.) after obtaining the optimal conditions, the author used a variety of aromatic amines to investigate the substrate range and universality of the four component reaction (Table 2).
The application of transition metal catalysis in free radical asymmetric reaction
Time of Update: 2018-10-28
J. chem.) in 2014, Meggers first found that the complexes 16-18 of iridium (III) and rhodium (III) can be used as chiral Lewis acid catalysts and photosensitizers for high enantioselective free radical conversion (Fig. 3) .
of sodium trifluoroethylsulfite -- promoting direct electrophilic trifluoroethylsulphurization reaction in the absence of metal
Time of Update: 2018-07-25
Recently, the research group of Professor Yi Wenbin, School of chemical engineering, Nanjing University of science and technology has successfully realized the new use of sodium trifluoroethylsulfite (naso2cf2cf3) for direct electrophilic trifluoroethylsulphurization under the condition of no metal.
New progress in research on kinetics and mechanism of carbon catalytic reaction in Qiwei group, Institute of metals, Chinese Academy of Sciences
Time of Update: 2018-06-13
The in-situ chemical titration method proposed by Qi Wei's research team is the first direct chemical evidence in the field to prove that ketone carbonyl group is the active center of the oxidative dehydrogenation of Alkanes Catalyzed by nano carbon.
Chem. Rev.: application of cross coupling reaction catalyzed by metal Pd in pharmaceutical industry
Time of Update: 2018-03-09
The paper focuses on the application of metal palladium catalyst cross coupling reaction in pharmaceutical industry (chem.
JACS: the first case of Suzuki reaction catalyzed by non transition metals
Time of Update: 2018-01-30
In response to this goal, Huang Yong group developed a new type of organic thioether catalyst, and realized the first Suzuki coupling reaction with non transition metal but organic small molecule as catalyst.
Green Chemistry: free radical oxidation addition reaction initiated by visible light without metal participation
Time of Update: 2017-09-26
The reaction mechanism speculated by the research team (source: Green Chemistry) summarized that Zhu Chunyin's team developed a method of conversion of metal free alkene to ketone, which was realized by visible light initiated oxidation free radical addition of arylhydrazine.