Author: tianli

The author of 《Structurally Defined Molecular Hypervalent Iodine Catalysts for Intermolecular Enantioselective Reactions》 were Haubenreisser, Stefan; Woeste, Thorsten H.; Martinez, Claudio; Ishihara, Kazuaki; Muniz, Kilian. And the article was published in Angewandte Chemie, International Edition in 2016. Name: (1S)-1-(2-chlorophenyl)ethane-1,2-diol The author mentioned the following in the article:

Mol. structures of the most prominent chiral non-racemic hypervalent iodine(III) reagents to date have been elucidated for the first time. The formation of a chirally induced supramol. scaffold based on a selective hydrogen-bonding arrangement provides an explanation for the consistently high asym. induction with these reagents. As an exploratory example, their scope as chiral catalysts was extended to the enantioselective dioxygenation of alkenes. A series of terminal styrenes RCH:CH2 (R = Ph, 4-FC6H4, 4-MeO2CC6H4, 3,5-Me2C6H3, 2-naphthyl, etc.) were converted into the corresponding vicinal diacetoxylation products (S)-RCH(OAc)CH2OAc under mild conditions and provided the proof of principle for a truly intermol. asym. alkene oxidation under iodine(I/III) catalysis.(1S)-1-(2-chlorophenyl)ethane-1,2-diol(cas: 133082-13-0Name: (1S)-1-(2-chlorophenyl)ethane-1,2-diol) was used in this study.

(1S)-1-(2-chlorophenyl)ethane-1,2-diol(cas: 133082-13-0) belongs to hydroxy-containing compounds. Hydroxy groups participate in the dehydration reactions that link simple biological molecules into long chains. The creation of a peptide bond to link two amino acids to make a protein removes the −OH from the carboxy group of one amino acid.Name: (1S)-1-(2-chlorophenyl)ethane-1,2-diol

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The author of 《Morphology control of magnesium carbonate for CO2 utilization using Mg2+ ions in industrial wastewater depending on length of alkyl chain of primary alkanolamine, reaction temperature, CO2 concentration, and Mg2+/Na+ ratio》 were Yoo, Yunsung; Kang, Dongwoo; Choi, Eunji; Park, Jinwon; Huh, Il-Sang. And the article was published in Chemical Engineering Journal (Amsterdam, Netherlands) in 2019. HPLC of Formula: 156-87-6 The author mentioned the following in the article:

Because global warming has been a constant issue in the environmental field, many studies on the mitigation of CO2 have been conducted. This study for carbon dioxide utilization dealt with the characteristics of magnesium carbonate formation using Mg2+ ions separated from seawater-based industrial wastewater and alkanolamine absorbent depending on the alkyl chain length of the primary alkanolamine type absorbent, reaction temperature, CO2 concentration, and Mg2+/Na+ ratio as part of the investigation. First, nesquehonite was formed with a relatively short length and amorphous MgCO3·3H2O was formed with a relatively long length in the alkyl chain length experiment Second, nesquehonite at low temperature was produced, and hydromagnesite was produced as temperature increased in the reaction temperature experiment In addition, nesquehonite was only magnesium carbonate depending on CO2 concentration, but each product had different purities. Finally, increasing of Mg2+/Na+ ratio derived production of not nesquehonite but hydromagnesite with high purity of over 98 wt%. Through this study, the morphol. and purity control of magnesium carbonate can reach commercialization levels in the particular conditions, and industrial application of carbon capture and utilization processes using wastewater and alkanolamine absorbent would be achieved.3-Aminopropan-1-ol(cas: 156-87-6HPLC of Formula: 156-87-6) was used in this study.

3-Aminopropan-1-ol(cas: 156-87-6) belongs to anime. Amines have a free lone pair with which they can coordinate to metal centers. Amine–metal bonds are weaker because amines are incapable of backbonding, but they are still important for sensing applications.While stronger than hydrogen bonds, amine–metal bonds are still weaker than both covalent and ionic bonds.HPLC of Formula: 156-87-6

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《Fluorescent supramolecular mechanophores based on charge-transfer interactions》 was written by Imato, Keiichi; Yamanaka, Ryota; Nakajima, Hidekazu; Takeda, Naoya. Reference of 3-Bromopropan-1-ol And the article was included in Chemical Communications (Cambridge, United Kingdom) in 2020. The article conveys some information:

Supramol. mechanofluorophores based on charge-transfer (CT) interactions between fluorescent pyrene and naphthalene diimide(s) with a tandem structure are newly developed and incorporated into the mid-chain of poly(ε-caprolactone)s. The fluorescence (FL) is quenched by the intramol. CT interactions even at low concentrations both in solution and in the polymer matrix, and turn-on FL is induced upon application of mech. forces. In the experiment, the researchers used 3-Bromopropan-1-ol(cas: 627-18-9Reference of 3-Bromopropan-1-ol)

3-Bromopropan-1-ol(cas: 627-18-9) was used in the synthesis of fluorescent halide-sensitive quinolinium dyes and molten salt-polymers. Furthermore, it was used in the synthesis of chiral, quaternary prolines via cyclization of quaternary amino acids.Reference of 3-Bromopropan-1-ol

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《Boosting visible-light hydrogen evolution of covalent-organic frameworks by introducing Ni-based noble metal-free co-catalyst》 was written by Dong, Hong; Meng, Xiang-Bin; Zhang, Xin; Tang, Hong-Liang; Liu, Jun-Wang; Wang, Jian-Hui; Wei, Jin-Zhi; Zhang, Feng-Ming; Bai, Lin-Lu; Sun, Xiao-Jun. Synthetic Route of C9H6O6 And the article was included in Chemical Engineering Journal (Amsterdam, Netherlands) in 2020. The article conveys some information:

Covalent-organic frameworks (COFs) have been recognized as an emerging type of photocatalysts for H2 evolution and some of them have shown really outstanding photocatalytic activity with the help of Pt co-catalyst. To avoid the utilization of noble metal in COF-based photocatalysts, for the first time, we designed and constructed a series of nickel hydroxide-modified COF (TpPa-2) composite materials Ni(OH)2-X%/TpPa-2 (X: molar fraction of Ni(OH)2), which show apparently improved photocatalytic H2 evolution activity than that of the parent COF and the activity is comparable to that with Pt (0.3 wt%) co-catalyst. A series of Ni(OH)2-X%/TpPa-2 were prepared by in-situ adding TpPa-2 into the reaction system of Ni(OH)2, and the resulting Ni(OH)2-X%/TpPa-2 exhibit a novel sandwich-like morphol. The results of photocatalytic hydrogen evolution under visible light irradiation show that the optimized photocatalytic H2-evolution rate for Ni(OH)2-2.5%/TpPa-2 is up to 1895.99μmol·h-1·g-1, which is about 26.3 times higher than that of the parent TpPa-2 and is one of the best performing 2D COF-based photocatalyst for H2 evolution. Further investigation confirm the improved activity should be attributed to the enhanced visible-light absorption of the composite materials contributed from Ni(OH)2 and the synergetic effect of Ni(OH)2 and metallic Ni derived from the in-situ reduction of Ni(OH)2, which promoted the separation of photogenerated electron-holes of the resulting materials. This work not only presents a series of new photocatalysts for efficient H2 evolution but also open an avenue for future design and synthesis of COF-based composite materials acting as a substitute of noble-metal-containing photocatalytic systems. In the experiment, the researchers used many compounds, for example, 2,4,6-Trihydroxybenzene-1,3,5-tricarbaldehyde(cas: 34374-88-4Synthetic Route of C9H6O6)

2,4,6-Trihydroxybenzene-1,3,5-tricarbaldehyde(cas: 34374-88-4) is a member of phloroglucinol derivatives. Regarding monomeric phloroglucinols, this group encompasses acryl phloroglucinols, phloroglucinol-terpene adducts, phloroglucinol glycosides, halogenated phloroglucinols, prenylated phloroglucinols, and cyclicroup polyketides.Synthetic Route of C9H6O6

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《Tandem Use of Optical Sensing and Machine Learning for the Determination of Absolute Configuration, Enantiomeric and Diastereomeric Ratios, and Concentration of Chiral Samples》 was written by De los Santos, Zeus A.; MacAvaney, Sean; Russell, Katina; Wolf, Christian. SDS of cas: 126456-43-7 And the article was included in Angewandte Chemie, International Edition in 2020. The article conveys some information:

We have developed an optical method for accurate concentration, er, and dr anal. of amino alcs. based on a simple mix-and-measure workflow that is fully adaptable to multiwell plate technol. and microscale anal. The conversion of the four aminoindanol stereoisomers with salicylaldehyde to the corresponding Schiff base allows anal. of the dr based on a change in the UV maximum at 420 nm that is very different for the homo- and heterochiral diastereomers and of the concentration of the sample using a hypsochromic shift of another absorption band around 340 nm that is independent of the analyte stereochem. Subsequent in situ formation of CuII assemblies in the absence and presence of base enables quantification of the er values for each diastereomeric pair by CD anal. Applying a linear programming method and a parameter sweep algorithm, we determined the concentration and relative amounts of each of the four stereoisomers in 20 samples of vastly different stereoisomeric compositions with an averaged absolute percent error of 1.7%. After reading the article, we found that the author used (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol(cas: 126456-43-7SDS of cas: 126456-43-7)

(1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol(cas: 126456-43-7) belongs to anime. Nitrous acid converts secondary amines (aliphatic or aromatic) to N-nitroso compounds (nitrosamines): R2NH + HNO2 → R2N―NO. Some nitrosamines are potent cancer-inducing substances, and their possible formation is a serious consideration when nitrites, which are salts of nitrous acid, are present in foods or pharmaceutical preparations. Tertiary amines give rise to nitrosamines more slowly; an alkyl group is eliminated as an aldehyde or ketone, along with nitrous oxide, N2O.SDS of cas: 126456-43-7

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《The Cascade C-H functionalization with sequential hydroxylation and oxidation through heterogeneous BINAP-copper on hydrotalcite》 was written by Zhang, Qiaohong; Wang, Huibin; Hu, Wenkang; Xu, Xiaqing; Xu, Zhaojun; Chen, Chen; Wang, Dawei. Application of 89466-08-0 And the article was included in Journal of Chemical Technology and Biotechnology in 2020. The article conveys some information:

A cascade C-H hydroxylation and further oxidation process, 2-sulfanylphenols 6-OH-R1C6H3S(R2 C6H4) (R1 = H, 2-Br, 3-Br, 4-CF3, etc.; R2 = H, 2-OMe, 3-OMe, 4-F, etc.) and arylthioquinones I (R3 = H, 2,6-Cl2, 3-Br, 4-tBu, etc.) use the heterogeneous catalyst [Cu(binap)I]2@HT. The catalytic system was tolerant to various substituents including alkyl, alkoxy, ester, halogen or trifluoromethyl on the Ph ring of the thiophenols R1C6H4SH/3-R4OC6H4SH (R4 = H, Me) or arylboronic acids R5B(OH)2 (R5 = Ph, 4-ethoxyphenyl, 2,6-dichlorophenyl, etc.). In addition to electron-donating groups, the products with strong electron-withdrawing groups, such as Me formylate and trifluoromethyl also were achieved with good yields at 90°C for 12h (68% and 66%, resp.). Repeated experiment results showed that the catalyst could be reused at least five times without obvious decrease in catalytic activity. In the experimental materials used by the author, we found 2-Hydroxyphenylboronic acid(cas: 89466-08-0Application of 89466-08-0)

2-Hydroxyphenylboronic acid(cas: 89466-08-0) belongs to acyl phenylboronic acid. Phenylboronic acid (PBA) has been used to extract β-blockers (a class of aminoalcohol-containing drugs) from aqueous solution, rat, and human plasma. Application of 89466-08-0

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Xie, Yi-Wen; Zhao, Zhen-Ni; Lin, Zi-Wei; Wang, Yu-Hao; Liu, Ya-Qun; Huang, Yi-Yong published their research in Chemical Communications (Cambridge, United Kingdom) in 2021. The article was titled 《Asymmetric Petasis reaction for the synthesis of chiral α- and β-butadienyl amines》.Name: (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol The article contains the following contents:

The Petasis reaction using (1S,2R)-1-amino-2-indanol as the substrate and an activator to construct α- and β-butadienyl amines in optically pure forms was realized; these are otherwise difficult to prepare The reactions feature a metal-free nature, broad substrate scope, complete regioselectivities (γ-selectivity of pinacol homoallenyl- and isoprenylboronates), and high to excellent chirality induction (up to >20:1 dr). The favored nucleophilic addition across the Si-face of the imine intermediate was explained using DFT calculations of the six-membered chair-like transition state. In addition to this study using (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol, there are many other studies that have used (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol(cas: 126456-43-7Name: (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol) was used in this study.

(1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol(cas: 126456-43-7) belongs to anime. In organic chemistry, amines are compounds and functional groups that contain a basic nitrogen atom with a lone pair. Amines are formally derivatives of ammonia (NH3), wherein one or more hydrogen atoms have been replaced by a substituent such as an alkyl or aryl group (these may respectively be called alkylamines and arylamines; amines in which both types of substituent are attached to one nitrogen atom may be called alkylarylamines).Name: (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol

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Mondal, Avijit; Sharma, Rahul; Pal, Debjyoti; Srimani, Dipankar published an article in 2021. The article was titled 《Manganese catalyzed switchable C-alkylation/alkenylation of fluorenes and indene with alcohols》, and you may find the article in Chemical Communications (Cambridge, United Kingdom).Recommanded Product: 873-75-6 The information in the text is summarized as follows:

The usage of earth-abundant, nontoxic transition metals in place of rare noble metals was a central goal in catalysis. This would be especially interesting when the reactivity and selectivity patterns could be tuned. Herein, the first Mn-catalyzed selective C-alkylation and olefination of fluorene, and indene with alcs. to gave the ((fluorenyl)methyl)(aryl/alkyl) I [R1 = H, Me; R2 = n-Bu, Ph, 2-pyridyl, etc.] ((fluorenylidene)methyl)aryls II [R3 = Ph, 2-pyridyl, 4-MeC6H4, etc.] ((indenylidene)methyl)aryls III [R4 = 2-pyridyl, 3-MeOC6H4, etc.] was introduced. Various substrates including benzylic, heteroaromatic, and aliphatic primary and secondary alcs. were employed as alkylating agents. Mechanistic investigations and a kinetic study underpin the involvement of the olefinated intermediate to furnished the alkylated product. The experimental part of the paper was very detailed, including the reaction process of (4-Bromophenyl)methanol(cas: 873-75-6Recommanded Product: 873-75-6)

(4-Bromophenyl)methanol(cas: 873-75-6) undergoes three-component reaction with acetylferrocene and arylboronic acid to give ferrocenyl ketones containing biaryls.Recommanded Product: 873-75-6 It undergoes oxidation reaction in the presence of polyvinylpolypyrrolidone-supported hydrogen peroxide, silica sulfuric acid and ammonium bromide to yield 4-bromobenzaldehyde.

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In 2022,Chen, Kerui; Han, Wenjian; Hu, Xin; Liu, Yihuan; Hu, Yujing; Zhao, Shuangfei; Zhu, Ning; Fang, Zheng; Guo, Kai published an article in Chemical Engineering Journal (Amsterdam, Netherlands). The title of the article was 《Microreactor-based chemo-enzymatic ROP-ROMP platform for continuous flow synthesis of bottlebrush polymers》.Product Details of 4048-33-3 The author mentioned the following in the article:

Microreactor-based enzymic ring-opening polymerization (ROP) and metal-catalytic ring-opening metathesis polymerization (ROMP) cascade reaction platform was developed for graft through synthesis of bottlebrush polymers. Single and integrated microreactor system were assembled for the evaluation of ROP, ROMP, and ROP-ROMP, resp. By applying a continuous flow chemo-enzymic ROP-ROMP strategy, a series of well-defined poly(norbornene)-graft-poly(ε-caprolactone) (PNB-g-PCL) bottlebrush polymers were successfully prepared with fast kinetics, exemption of macromonomer isolation and purification, the absence of macromonomer residue in the product, controlled mol. weight and narrow distribution. This work would provide inspiration for the chemo-enzymic synthesis, microflow chem., and bottlebrush polymers. In the part of experimental materials, we found many familiar compounds, such as 6-Aminohexan-1-ol(cas: 4048-33-3Product Details of 4048-33-3)

6-Aminohexan-1-ol(cas: 4048-33-3) may be used along with glutaric acid to generate poly(ester amide)s with excellent film- and fiber forming properties. It can undergo cyclization over copper supported on γ-alumina and magnesia to form hexahydro-1H-azepine.Product Details of 4048-33-3

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In 2022,Shohrat, Annanurov; Zhang, Mi; Hu, Hui; Yang, Xueying; Liu, Li; Huang, Hao published an article in International Journal of Greenhouse Gas Control. The title of the article was 《Mechanism study on CO2 capture by ionic liquids made from TFA blended with MEA and MDEA》.Quality Control of 3-Aminopropan-1-ol The author mentioned the following in the article:

Ionic liquids are presenting a great potential to increase the efficiency and reduce the cost of CO2 capture process. TFA was selected as anion in the produced ionic liquids to study its absorption capacity, and CO2 capture by [3-AP][TFA] and [MDEA][TFA] were tested under different conditions with various solvents such as water, MEA and MDEA. Results showed that ionic liquids blended with MEA improved the absorption capacity up to 0.50 mol CO2/mol absorbent, which was much higher than that of aqueous ionic liquid solution (less than 0.30 mol CO2/mol absorbent), and the aqueous solution of ionic liquids blended with MDEA could improve its absorption capacity up to 0.93 mol CO2/mol absorbent. Different ratios of ionic liquids blended with MDEA were investigated, and ratios of ionic liquids vs. MDEA was set from 2:1 to 1:6. The CO2 absorption capacity reached the maximum of 0.91 mol CO2/mol IL at ratio 1:6 for [3-AP][TFA] and 0.93 mol CO2/mol IL at ratio 1:4 for [MDEA][TFA], which indicated that the CO2 absorption capacity increased with ascending amount of MDEA. Characterizations of aqueous blends were performed by FT-IR and 13C NMR, which showed that the formation of bicarbonate was observed, indicating the mechanism of CO2 absorption was a two-step reaction via the formation of zwitterion. The produced zwitterions contributed to CO2 absorption by increasing both the capacity and reaction rate. Reaction of MDEA with CO2 in water was considered to be a catalyzed hydrolysis, because the lack of eliminating hydrogen atom prevented MDEA from forming carbamate but produced bicarbonate instead. In the experiment, the researchers used many compounds, for example, 3-Aminopropan-1-ol(cas: 156-87-6Quality Control of 3-Aminopropan-1-ol)

3-Aminopropan-1-ol(cas: 156-87-6) belongs to anime. Amines have a free lone pair with which they can coordinate to metal centers. Amine–metal bonds are weaker because amines are incapable of backbonding, but they are still important for sensing applications.While stronger than hydrogen bonds, amine–metal bonds are still weaker than both covalent and ionic bonds.Quality Control of 3-Aminopropan-1-ol

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Alcohol – Wikipedia,
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