Month: April 2022

Application In Synthesis of 5,10,15,20-Tetrakis (4-methoxyphenyl)-21H,23H-porphine cobalt (II). Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: 5,10,15,20-Tetrakis (4-methoxyphenyl)-21H,23H-porphine cobalt (II), is researched, Molecular C48H38CoN4O4, CAS is 28903-71-1, about High-sensitivity hyperspectral coupled self-assembled nanoporphyrin sensor for monitoring black tea fermentation. Author is Li, Luqing; Li, Menghui; Liu, Ying; Cui, Qingqing; Bi, Keyi; Jin, Shanshan; Wang, Yujie; Ning, Jingming; Zhang, Zhengzhu.

The rapid and scientific method for monitoring the quality of black tea fermentation is of great significance to the quality control of black tea production This study proposed a novel method for evaluating the fermentation quality of black tea by using hyperspectral imaging technol. with self-assembled nanoporphyrin (N-TPP) dyes, which were used as aroma capture probes in the black tea fermentation process. SEM and UV-visible spectroscopy were performed to characterize the N-TPP. Then, the results of the colorimetric sensor array (conventional camera color method) and the proposed hyperspectral methods were compared. Finally, the hyperspectral information of N-TPP with higher sensitivity was collected, and the qual. models of evaluating black tea fermentation quality were established using support vector machine (SVM), extreme learning machine, and linear discriminant anal. Among these models, the SVM model exhibited the highest discriminant accuracy. The accuracy of the SVM model based on the hyperspectral information of the self-assembled N-TPP array was 98.85 %, which was considerably higher than that (68.97 %) of the SVM model based on the color information of the porphyrin array. The results revealed that the proposed method can effectively improve the monitoring accuracy of black tea fermentation quality.

Although many compounds look similar to this compound(28903-71-1)Application In Synthesis of 5,10,15,20-Tetrakis (4-methoxyphenyl)-21H,23H-porphine cobalt (II), numerous studies have shown that this compound(SMILES:COC1=CC=C(C=C1)C(C2=[N]3[Co+2]4([N-]56)[N-]7C(C(C8=CC=C(C=C8)OC)=C3C=C2)=CC=C7C(C9=CC=C(C=C9)OC)=C%10C=CC%11=[N]4%10)=C5C=CC6=C%11C%12=CC=C(C=C%12)OC), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

In organic chemistry, atoms other than carbon and hydrogen are generally referred to as heteroatoms. The most common heteroatoms are nitrogen, oxygen and sulfur. Now I present to you an article called A novel method for the generation of (R)- and (S)-3-chloro-1,2-propanediol by stereospecific dehalogenating bacteria and their use in the preparation of (R)- and (S)-glycidol, published in 1991, which mentions a compound: 60827-45-4, mainly applied to resolution chloropropandiol stereospecific dehalogenating bacteria; glycidol, Reference of (2S)-(+)-3-Chloropropane-1,2-diol.

A novel and effective method for the preparation of highly pure optically active (R)- and (S)-3-chloro-1,2-propanediol (99.5% ee and 99.4% ee, resp.) was established based on stereospecific dehalogenation and assimilation with bacteria. From these intermediates highly pure optically active (R)- and (S)-glycidol (99.3% ee and 99.4% ee, resp.) were prepared

Although many compounds look similar to this compound(60827-45-4)Reference of (2S)-(+)-3-Chloropropane-1,2-diol, numerous studies have shown that this compound(SMILES:OC[C@H](O)CCl), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Research Support, Non-U.S. Gov’t, Australian Journal of Biological Sciences called Inhibition of fructolytic enzymes in boar spermatozoa by (S)-α-chlorohydrin and 1-chloro-3-hydroxypropanone, Author is Jones, A. R.; Bubb, W. A.; Murdoch, S. R.; Stevenson, D. A., which mentions a compound: 60827-45-4, SMILESS is OC[C@H](O)CCl, Molecular C3H7ClO2, HPLC of Formula: 60827-45-4.

When boar spermatozoa were incubated with (S)-α-chlorohydrin  [60827-45-4], glyceraldehyde-3-phosphate dehydrogenase (GPD) [9001-50-7] activity was inhibited. The (R)-isomer had no effect whereas (R,S)-3-chlorolactaldehyde  [84709-24-0] also inhibited GDP and lactate dehydrogenase  [9001-60-9]. The in vitro production of (S)-3-chlorolactaldehyde  [86747-03-7], the active metabolite of (S)-α-chlorohydrin, was attempted by incubating boar spermatozoa with 1-chloro-3-hydroxypropanone  [24423-98-1]. Preliminary results indicated that this compound is converted into (S)-3-chlorolactaldehyde as well as to another metabolite which is an inhibitor of other enzymes within the fructolytic pathway.

Although many compounds look similar to this compound(60827-45-4)HPLC of Formula: 60827-45-4, numerous studies have shown that this compound(SMILES:OC[C@H](O)CCl), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Electric Literature of C9H11Cu. The reaction of aromatic heterocyclic molecules with protons is called protonation. Aromatic heterocycles are more basic than benzene due to the participation of heteroatoms. Compound: Mesitylcopper(I), is researched, Molecular C9H11Cu, CAS is 75732-01-3, about Ru-core/Cu-shell bimetallic nanoparticles with controlled size formed in one-pot synthesis. Author is Helgadottir, I.; Freychet, G.; Arquilliere, P.; Maret, M.; Gergaud, P.; Haumesser, P. H.; Santini, C. C..

Suspensions of bimetallic nanoparticles (NPs) of Ru and Cu have been synthesized by simultaneous decomposition of two organometallic compounds in an ionic liquid These suspensions have been characterized by Anomalous Small-Angle X-ray Scattering (ASAXS) at energies slightly below the Ru K-edge. It is found that the NPs adopt a Ru-core, a Cu-shell structure, with a constant Ru core diameter of 1.9 nm for all Ru : Cu compositions, while the Cu shell thickness increases with Cu content up to 0.9 nm. The formation of RuCuNPs thus proceeds through rapid decomposition of the Ru precursor into RuNPs of constant size followed by the reaction of the Cu precursor and agglomeration as a Cu shell. Thus, the different decomposition kinetics of precursors make possible the elaboration of core-shell NPs composed of two metals without chem. affinity.

Although many compounds look similar to this compound(75732-01-3)Electric Literature of C9H11Cu, numerous studies have shown that this compound(SMILES:[Cu]C1=C(C)C=C(C)C=C1C), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Quality Control of 2-Methylglutaronitrile. The mechanism of aromatic electrophilic substitution of aromatic heterocycles is consistent with that of benzene. Compound: 2-Methylglutaronitrile, is researched, Molecular C6H8N2, CAS is 4553-62-2, about Enhancing selectivity and efficiency in the electrochemical synthesis of adiponitrile. Author is Blanco, Daniela E.; Dookhith, Aaliyah Z.; Modestino, Miguel A..

Adiponitrile is a large scale chem. intermediate used in the production of Nylon 6,6. It is primarily produced via two methods: the thermal hydrocyanation of butadiene and the electrochem. hydrodimerization of acrylonitrile. The thermochem. method is an energy intensive process that involves acutely toxic reactants such as hydrogen cyanide. On the other hand, the electrosynthesis of adiponitrile is a green chem. process that uses water-based electrolytes and can be directly coupled with renewable electricity sources such as wind or sunlight. Although this process is the largest organic electrochem. process in industry, it still faces many challenges owing to its low energy conversion efficiency and selectivity. Using a systematic approach, this study provides insights into mass transport and kinetic factors that influence the reaction performance, and demonstrates that by careful control of the composition of the electrolyte, concentration of reactants, operating current densities, and temperature, selectivities as high as 83% can be achieved. Our results provide electrochem. engineering guidelines to significantly improve the efficiency of the electrochem. production of adiponitrile and open up opportunities to the direct implementation of renewable-energy sources in chem. manufacturing

Although many compounds look similar to this compound(4553-62-2)Quality Control of 2-Methylglutaronitrile, numerous studies have shown that this compound(SMILES:N#CC(C)CCC#N), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

In general, if the atoms that make up the ring contain heteroatoms, such rings become heterocycles, and organic compounds containing heterocycles are called heterocyclic compounds. An article called Heterometallic Fluoroalkoxides of Barium and Copper(I). Syntheses and Structures of [(Me3NO)2Ba2Cu4(TFTB)8] and [(THF)2Ba2Cu2(HFTB)6], published in 1997-10-22, which mentions a compound: 75732-01-3, Name is Mesitylcopper(I), Molecular C9H11Cu, HPLC of Formula: 75732-01-3.

Reaction of HORF and in situ synthesized [Ba(ORF)2] (from Ba[N(SiMe3)2]2(THF)2 and HORF) with CuMes yields, in THF, [(THF)2Ba2Cu2(OCMe(CF3)2)6] (1). In the case of HORF = HOCMe2CF3, only upon addition of Me3NO is a soluble product obtained: [(Me3NO)2Ba2Cu4(OCMe2CF3)8] (2). 1 And 2 were characterized by x-ray crystallog. (1: triclinic, space group P1̅, R = 0.0557; 2: monoclinic, space group C2/c, R = 0.0643). 1 Has a square-planar Ba2Cu2O4 core structure with two addnl. alkoxides bridging the two bariums, giving the barium a tbp coordination environment. The structure of 2 is markedly different in that it has one more Cu-(OR) unit inserted into the Ba-(OR)-Ba unit. This gives the Ba2Cu4 core structure the shape of an octahedron and barium a square-pyramidal coordination environment. These structures are compared and contrasted with the structures of [Ba2Cu4(OCEt3)8], [(Et3PO)2Ba2Cu4(OtBu)8], and [(Me3NO)2Ba2Cu4(OtBu)8].

Although many compounds look similar to this compound(75732-01-3)HPLC of Formula: 75732-01-3, numerous studies have shown that this compound(SMILES:[Cu]C1=C(C)C=C(C)C=C1C), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Article, Research Support, Non-U.S. Gov’t, Organic Letters called Anti-Selective Direct Catalytic Asymmetric Aldol Reaction of Thiolactams, Author is Sureshkumar, Devarajulu; Kawato, Yuji; Iwata, Mitsutaka; Kumagai, Naoya; Shibasaki, Masakatsu, which mentions a compound: 75732-01-3, SMILESS is [Cu]C1=C(C)C=C(C)C=C1C, Molecular C9H11Cu, Product Details of 75732-01-3.

An anti-selective direct catalytic asym. aldol reaction of thiolactams is described. A soft Lewis acid/hard Bronsted base cooperative catalyst comprised of mesitylcopper/(R,R)-Ph-BPE exhibited high catalytic performance to produce an anti-aldol product with high stereoselectivity. The highly chemoselective nature of the present catalysis allows for the use of enolizable aldehydes as aldol acceptors. The diverse transformations of the thiolactam moiety highlight the synthetic utility of the present anti-aldol protocol.

Although many compounds look similar to this compound(75732-01-3)Product Details of 75732-01-3, numerous studies have shown that this compound(SMILES:[Cu]C1=C(C)C=C(C)C=C1C), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Name: (2S)-(+)-3-Chloropropane-1,2-diol. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: (2S)-(+)-3-Chloropropane-1,2-diol, is researched, Molecular C3H7ClO2, CAS is 60827-45-4, about Formation of the active antifertility metabolite of (S)-α-chlorohydrin in boar sperm. Author is Jones, A. R.; Stevenson, D..

Incubation of boar sperm with (S)-α-chlorohydrin (I) [60827-45-4] resulted in formation of (S)-3-chlorolactaldehyde (II) [86747-03-7]. I inhibited the production of 14CO2 when 14C-labeled fructose  [57-48-7] was the substrate but had no effect when 14C-labeled glycerol  [56-81-5] was used. (R,S)-3-Chlorolactaldehyde  [84709-24-0], however, inhibited CO2 formation from glycerol. The oxidation of 14C-labeled glycerol-3-phosphate  [57-03-4] was similarly inhibited by I confirming that the presence of glycerol but not its metabolites prevented the oxidation of I to II. Glycerol reversed the inhibition of fructose metab by I. Addnl., preincubation of sperm with I inhibited glycerol metabolism Apparently, I is metabolized to II in sperm by an enzyme involved in the oxidation of glycerol to glyceraldehyde. The presence of glycerol decreases the activity of this enzyme towards I thereby preventing formation of II, an inhibitor of glyceraldehyde 3-phosphate dehydrogenase  [9001-50-7].

Although many compounds look similar to this compound(60827-45-4)Name: (2S)-(+)-3-Chloropropane-1,2-diol, numerous studies have shown that this compound(SMILES:OC[C@H](O)CCl), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 5,10,15,20-Tetrakis (4-methoxyphenyl)-21H,23H-porphine cobalt (II)( cas:28903-71-1 ) is researched.Related Products of 28903-71-1.Li, Luqing; Li, Menghui; Liu, Ying; Cui, Qingqing; Bi, Keyi; Jin, Shanshan; Wang, Yujie; Ning, Jingming; Zhang, Zhengzhu published the article 《High-sensitivity hyperspectral coupled self-assembled nanoporphyrin sensor for monitoring black tea fermentation》 about this compound( cas:28903-71-1 ) in Sensors and Actuators, B: Chemical. Keywords: nanoporphyrin sensor black tea fermentation self assembly hyperspectral imaging. Let’s learn more about this compound (cas:28903-71-1).

The rapid and scientific method for monitoring the quality of black tea fermentation is of great significance to the quality control of black tea production This study proposed a novel method for evaluating the fermentation quality of black tea by using hyperspectral imaging technol. with self-assembled nanoporphyrin (N-TPP) dyes, which were used as aroma capture probes in the black tea fermentation process. SEM and UV-visible spectroscopy were performed to characterize the N-TPP. Then, the results of the colorimetric sensor array (conventional camera color method) and the proposed hyperspectral methods were compared. Finally, the hyperspectral information of N-TPP with higher sensitivity was collected, and the qual. models of evaluating black tea fermentation quality were established using support vector machine (SVM), extreme learning machine, and linear discriminant anal. Among these models, the SVM model exhibited the highest discriminant accuracy. The accuracy of the SVM model based on the hyperspectral information of the self-assembled N-TPP array was 98.85 %, which was considerably higher than that (68.97 %) of the SVM model based on the color information of the porphyrin array. The results revealed that the proposed method can effectively improve the monitoring accuracy of black tea fermentation quality.

Although many compounds look similar to this compound(28903-71-1)Related Products of 28903-71-1, numerous studies have shown that this compound(SMILES:COC1=CC=C(C=C1)C(C2=[N]3[Co+2]4([N-]56)[N-]7C(C(C8=CC=C(C=C8)OC)=C3C=C2)=CC=C7C(C9=CC=C(C=C9)OC)=C%10C=CC%11=[N]4%10)=C5C=CC6=C%11C%12=CC=C(C=C%12)OC), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com

Name: Mesitylcopper(I). Aromatic heterocyclic compounds can also be classified according to the number of heteroatoms contained in the heterocycle: single heteroatom, two heteroatoms, three heteroatoms and four heteroatoms. Compound: Mesitylcopper(I), is researched, Molecular C9H11Cu, CAS is 75732-01-3, about A heterometallic alkoxide combining hard and soft Lewis acids (Et3PO)2Ba2Cu4(OtBu)8. Author is Borup, Bjoern; Huffman, John C.; Caulton, Kenneth G..

Reaction of Cu(I) mesityl with [Ba(OtBu)2(tBuOH)2]4 occurs with replacement of all protons by Cu to give an insoluble solid of empirical formula BaCu2(OtBu)4. This reacts with Et3PO to give a soluble product characterized by spectroscopic, combustion anal., and x-ray diffraction as (Et3PO)2Ba2Cu4(OtBu)8, an elongated octahedron (trans Ba2) with OtBu groups doubly bridging eight edges. The phosphine oxide has broken up an apparent polymer by coordination of one Et3PO to each Ba.

Although many compounds look similar to this compound(75732-01-3)Name: Mesitylcopper(I), numerous studies have shown that this compound(SMILES:[Cu]C1=C(C)C=C(C)C=C1C), has unique advantages. If you want to know more about similar compounds, you can read my other articles.

Reference:
Iodide – Wikipedia,
Iodide – an overview | ScienceDirect Topics – ScienceDirect.com