Tag: 100-200

《Beta-cyclodextrin decorated CdS nanocrystals boosting photocatalytic conversion of alcohols》 was published in CCS Chemistry in 2020. These research results belong to Wang, Juan; Feng, You-Xiang; Zhang, Min; Zhang, Chao; Li, Ming; Li, Sheng-Jie; Zhang, Wen; Lu, Tong-Bu. Related Products of 100-55-0 The article mentions the following:

Regarding the utilization of semiconductor nanocrystals (NCs) in photocatalysis, the significant challenge is to eliminate the hindrance of decorated surface ligands on the photocarrier transport while maintaining their overall stability. Herein, we report a novel and stable catalyst comprising CdS NCs and surfacebound mono-(6-mercapto-6-deoxy)-β-cyclodextrin (HS-β-CD) mols. (denoted as CdS-CD), which could convert alcs. selectively into diols or aldehydes and H2 under visible light irradiation, with 100% atom utilization, using an aqueous medium as a green solvent. The decorated β-CD ligands did not only confer a good stability of CdS-CD in water but also showed a high host-guest affinity to the alc. species, thereby, guaranteeing a close vicinity of alc. mols. at the surface of CdS NCs and minimizing the hindrance of surface ligands on the photocarrier transport. As a result, the CdS-CD displayed much improved photocatalytic activity for the conversion of alcs. in aqueous media, compared with those of CdS-BF4 NCs. In the experimental materials used by the author, we found 3-Pyridinemethanol(cas: 100-55-0Related Products of 100-55-0)

3-Pyridinemethanol(cas: 100-55-0) belongs to pyridine. Pyridine’s structure is isoelectronic with that of benzene, but its properties are quite different. Pyridine is completely miscible with water, whereas benzene is only slightly soluble. Like all hydrocarbons, benzene is neutral (in the acid–base sense), but because of its nitrogen atom, pyridine is a weak base.Related Products of 100-55-0

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Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《Lemon juice as an efficient biocatalyst for one pot three component green synthesis of substituted 5-amino-1-(2,4-dinitrophenyl)-1h-pyrazole-4-carbonitriles》 was published in Chemica Sinica in 2020. These research results belong to Suman, S.; Singh, Rajvir; Gulati, Susheel; Suprita. Safety of 3-Hydroxybenzaldehyde The article mentions the following:

An eco-friendly one pot three component green synthesis of substituted 5-amino-1-(2,4-dinitrophenyl)-1H-pyrazole-4-carbonitriles I (R1 = H, Cl, OH; R2 = H, OH, NO2; R3 = H, Cl, Me, OMe, OH) have been carried out in presence of lemon juice as a recyclable catalyst. The use of biocatalysts is focused on eco-friendly organic synthesis. Here, lemon juice, which is an inexpensive, safe and eco-friendly catalyst in the one pot three components reaction of aryl aldehydes 2-R1-3-R2-4-R3-C6H2CHO, malononitrile and 2,4-dinitrophenyl hydrazine for the synthesis of pyrazole derivatives I under mild conditions have been showed. After optimization of reaction conditions for synthesis of pyrazoles I (R1 = R2 = H; R3 = OMe), it was found that 4.0mL of lemon juice gave 82% yield in 1.4 h at room temperature in solvent-free conditions. This novel and eco-friendly pathway has the merits of high yield, simple handling and benign synthesis. In addition to this study using 3-Hydroxybenzaldehyde, there are many other studies that have used 3-Hydroxybenzaldehyde(cas: 100-83-4Safety of 3-Hydroxybenzaldehyde) was used in this study.

3-Hydroxybenzaldehyde(cas: 100-83-4) can be used as a reactant along with ethyl acetoacetate and thiourea in the synthesis of corresponding dihydropyrimidine-2-thione (monastrol), using Yb(OTf)3 as a catalyst by Biginelli cyclocondensation reaction.Safety of 3-Hydroxybenzaldehyde

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In 2011,Shi, Ying; Zhang, Ya-ran; Di, Hui-feng; Jia, Ming; Zhang, Zhi-bao published 《Synthesis of 3-mercapto-1-(1,3-thiazolin-2-yl)azetidine hydrochloride》.Huaxue Shiji published the findings.Category: alcohols-buliding-blocks The information in the text is summarized as follows:

3-Mercapto-1-(1,3-thiazolin-2-yl) azetidine hydrochloride has been synthesized from 2-mercaptothiazoline, through methylation, SN2 nucleophilic substitution with 3-hydroxyazetidine hydrochloride, activation of the hydroxyl group with methanesulfonyl chloride, SN2 nucleophilic substitution of the resultant mesylate with potassium thioacetate, and basic hydrolysis. The total yield was 51.6%, and purity of product was 98.5%. The method features mild conditions, easy manipulation, high purity and suitability for industrialization.Azetidin-3-ol hydrochloride(cas: 18621-18-6Category: alcohols-buliding-blocks) was used in this study.

Azetidin-3-ol hydrochloride(cas:18621-18-6) is one of azetidine.Azetidines (azacyclobutanes) constitute a well-known class of heterocyclic compounds. Azetidine scaffold has been discovered in several natural products.Category: alcohols-buliding-blocks Several pharmacologically important synthetic compounds also contain azetidine ring. Because of inherent ring strain, the synthesis of azetidines is a challenging endeavor.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《Reversible and Tunable Photoswitching of Protein Function through Genetic Encoding of Azobenzene Amino Acids in Mammalian Cells》 was published in ChemBioChem in 2018. These research results belong to Luo, Ji; Samanta, Subhas; Convertino, Marino; Dokholyan, Nikolay V.; Deiters, Alexander. SDS of cas: 1123172-89-3 The article mentions the following:

The genetic encoding of three different azobenzene phenylalanines with different photochem. properties was achieved in human cells by using an engineered pyrrolysyl tRNA/tRNA synthetase pair. In order to demonstrate reversible light control of protein function, azobenzenes were site-specifically introduced into firefly luciferase. Computational strategies were applied to guide the selection of potential photoswitchable sites that lead to a reversibly controlled luciferase enzyme. In addition, the new azobenzene analogs provide enhanced thermal stability, high photoconversion, and responsiveness to visible light. These small-mol. photoswitches can reversibly photocontrol protein function with excellent spatiotemporal resolution, and preferred sites for incorporation can be computationally determined, thus providing a new tool for investigating biol. processes. The experimental process involved the reaction of (3,5-Difluoro-4-nitrophenyl)methanol(cas: 1123172-89-3SDS of cas: 1123172-89-3)

(3,5-Difluoro-4-nitrophenyl)methanol(cas: 1123172-89-3) belongs to nitro compounds. Nitro compounds have very different half-wave potentials. They depend on the type, number and position of the substituents and rise.SDS of cas: 1123172-89-3

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Alcohol – Wikipedia,
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Product Details of 26153-38-8In 2018 ,《Substituents modification of meso-aryl BODIPYs for tuning photophysical properties》 appeared in Tetrahedron. The author of the article were Ko, Sangwon; Kim, Cheul Yong; Damodar, Kongara; Lim, Hyun Min; Kim, Jin Ho; Lee, Chang-Hee; Lee, Jeong Tae. The article conveys some information:

The authors successfully synthesized eight meso-aryl BODIPYs with 2,6-diethyl- or 1,2,6,7-tetra-Et substituents and characterized their photophys. properties. The steric hindrance resulting from the phenolic group in the meso-aryl moiety and the Et groups on the BODIPY core affected the synthesis of dipyrromethanes as an intermediate as well as the UV-visible absorption and fluorescence emission of the BODIPYs due to the constrained rotation of the aryl ring. The potential use of the meso-hydroxyphenyl BODIPY as a pH sensor was also shown by the pH-dependent fluorescence emissions. In the experimental materials used by the author, we found 3,5-Dihydroxybenzaldehyde(cas: 26153-38-8Product Details of 26153-38-8)

3,5-Dihydroxybenzaldehyde(cas: 26153-38-8) is a building block. It has been used in the synthesis of 2,4-dimethylbenzoylhydrazones with antileishmanial and antioxidant activities.Product Details of 26153-38-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In 2022,Zhou, Bei; Ma, Zhuang; Alenad, Asma M.; Kreyenschulte, Carsten; Bartling, Stephan; Beller, Matthias; Jagadeesh, Rajenahally V. published an article in Green Chemistry. The title of the article was 《Cobalt-catalysed CH-alkylation of indoles with alcohols by borrowing hydrogen methodology》.Quality Control of 3-Pyridinemethanol The author mentioned the following in the article:

A general heterogeneous cobalt-catalyzed CH-alkylation of indoles with alcs. was reported. Utilizing this straightforward borrowing hydrogen methodol., a series of substituted and functionalized indoles were easily coupled with benzylic, heterocyclic, and aliphatic alcs. including methanol to prepare >65 substituted indoles in good to excellent yields. The resulting products represented an interesting class of heterocyclic compounds widely used in organic synthesis and medicinal chem. Key for this synthesis was the use of specific cobalt-nanoparticles supported on N-doped carbon, which were conveniently prepared by the pyrolysis of a templated material generated in-situ by mixing cobalt-nitrate, zinc-nitrate, 2,6-diaminopyridine, and colloidal silica, and subsequent removal of silica. In the part of experimental materials, we found many familiar compounds, such as 3-Pyridinemethanol(cas: 100-55-0Quality Control of 3-Pyridinemethanol)

3-Pyridinemethanol(cas: 100-55-0) belongs to pyridine. When pyridine is adsorbed on oxide surfaces or in porous materials, the following species are commonly observed: (i) pyridine coordinated to Lewis acid sites, (ii) pyridine H-bonded to weakly acidic hydroxyls, and (iii) protonated pyridine. At high coverage, physisorbed pyridine and protonated dimers can also be observed.Quality Control of 3-Pyridinemethanol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In 2022,Sarkar, Nabin; Sahoo, Rajata Kumar; Patro, A. Ganesh; Nembenna, Sharanappa published an article in Polyhedron. The title of the article was 《Aluminum-catalyzed selective hydroboration of carbonyls and dehydrocoupling of alcohols, phenols, amines, thiol, selenol, silanols with HBpin》.HPLC of Formula: 1195-59-1 The author mentioned the following in the article:

A popular N,N’-chelated NacNac analog, i.e., conjugated bis-guanidinate (CBG) stabilized aluminum dihydride LAlH2 [1; L = ArNC(ArNH):NC:(NHAr)NAr, where Ar = 2,6-Et2-C6H3], demonstrates excellent catalytic hydroboration of a wide array of carbonyls with pinacolborane (HBpin) under neat conditions with good tolerance of reducible functional groups such as alkyl, alkene, halide, nitrile, nitro, ester, amide, and heteroaryl. In addition, we investigated complex 1 catalyzed cross-dehydrocoupling (CDC) of alcs., phenols, amines, thiol, selenol, and silanols with HBpin under mild reaction conditions. Furthermore, several control experiments have been performed to understand the mechanisms in hydroboration and CDC reactions. All corresponding catalytic intermediates have been identified and characterized by 1H and 13C{1H} NMR spectroscopic methods. In contrast to several reports on metal-catalyzed hydroboration of carbonyls, this is the second report for the mol. aluminum catalyzed CDC of organic substrates with HBpin. In the part of experimental materials, we found many familiar compounds, such as 2,6-Pyridinedimethanol(cas: 1195-59-1HPLC of Formula: 1195-59-1)

2,6-Pyridinedimethanol(cas: 1195-59-1) belongs to pyridine. Pyridine’s structure is isoelectronic with that of benzene, but its properties are quite different. Pyridine is completely miscible with water, whereas benzene is only slightly soluble. Like all hydrocarbons, benzene is neutral (in the acid–base sense), but because of its nitrogen atom, pyridine is a weak base.HPLC of Formula: 1195-59-1

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Kim, Yoon Jee; Duraisamy, Kalaiselvi; Jeong, Min-Hye; Park, Sook-Young; Kim, Soonok; Lee, Yookyung; Nguyen, Van Thi; Yu, Nan Hee; Park, Ae Ran; Kim, Jin-Cheol published an article in 2021. The article was titled 《Nematicidal activity of grammicin biosynthesis pathway intermediates in Xylaria grammica KCTC 13121BP against Meloidogyne incognita》, and you may find the article in Molecules.Recommanded Product: 3,5-Dihydroxybenzaldehyde The information in the text is summarized as follows:

Grammicin, a polyketide metabolite produced by the endolichenic fungus Xylaria grammica KCTC 13121BP, shows strong nematicidal activity against Meloidogyne incognita. This study was performed to elucidate the grammicin biosynthesis pathway of X. grammica KCTC 13121BP and to examine the nematicidal activity of the biosynthesis intermediates and derivatives against M. incognita. Two grammicin biosynthesis intermediates were isolated from a T-DNA insertion transformant (strain TR-74) of X. grammica KCTC 13121BP and identified as 2-(hydroxymethyl)cyclohexa-2,5-diene-1,4-dione (compound 1) and 2,5-dihydroxybenzaldehyde (compound 2), which were also reported to be intermediates in the biosynthesis pathway of patulin, an isomer of grammicin. This indicates that the grammicin biosynthesis pathway overlaps almost with that of patulin, except for the last few steps. Among 13 grammicin biosynthesis intermediates and their derivatives (except grammicin), toluquinol caused the highest M. incognita J2 mortality, with an LC50/72 h value of 11.13μg/mL, which is similar to grammicin with an LC50/72 h value of 15.95μg/mL. In tomato pot experiments, the wettable powder type formulations (WP) of toluquinol (17.78μg/mL) and grammicin (17.78μg/mL) also effectively reduced gall formation on the roots of tomato plants with control values of 72.22% and 77.76%, resp., which are much higher than abamectin (16.67%), but lower than fosthiazate (100%). The results suggest that toluquinol can be used directly as a biochem. nematicide or as a lead mol. for the development of new synthetic nematicides for the control of root-knot nematode diseases. In addition to this study using 3,5-Dihydroxybenzaldehyde, there are many other studies that have used 3,5-Dihydroxybenzaldehyde(cas: 26153-38-8Recommanded Product: 3,5-Dihydroxybenzaldehyde) was used in this study.

3,5-Dihydroxybenzaldehyde(cas: 26153-38-8) is a building block. It has been used in the synthesis of 2,4-dimethylbenzoylhydrazones with antileishmanial and antioxidant activities.Recommanded Product: 3,5-Dihydroxybenzaldehyde

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Ma, Shuai; Cui, Jing-Wang; Rao, Cai-Hui; Jia, Meng-Ze; Chen, Yun-Rui; Zhang, Jie published their research in Green Chemistry in 2021. The article was titled 《Boosting activity of molecular oxygen by pyridinium-based photocatalysts for metal-free alcohol oxidation》.SDS of cas: 873-75-6 The article contains the following contents:

An eco-friendly and economical approach for the photocatalytic oxidation of organic inter-mediates by air under mild conditions is highly desirable in green and sustainable chem., where the photogeneration of active oxygen species plays a key role in improving conversion efficiency and selectivity. By using pyridinium derivatives as mol. mediators for electron transfer and energy transfer, the simultaneous activation of O2 from air into superoxide radicals and singlet oxygen species can be achieved, and a photoinduced electron transfer catalytic system for the oxidation of alcs. has been developed. Thus, we have successfully simplified the complicated catalytic system into a single mol. catalyst without any addnl. noble metals and co-catalysts/additives. The current photocatalytic system shows high catalytic efficiency not only for aromatic alcs. but also for aliphatic alcs. that are generally difficult to undergo aerobic oxidation at room temperature under air atm., representing an ideal photocatalytic platform for green and economical organic syntheses. In the experiment, the researchers used many compounds, for example, (4-Bromophenyl)methanol(cas: 873-75-6SDS of cas: 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.SDS of cas: 873-75-6 It is used in the synthesis of amphiphilic, symmetric rod-coil, triblock copolymer of poly(9,9-didodecylfluorene-2,7-diyl) and poly(hydroxyl ethyl methacrylate)

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Jahan, Khorshada; Khan, Kaif Rashid; Akhter, Kawsari; Romman, Umme Kulsum Rowzatur; Halim, Ershad published their research in PLoS One in 2021. The article was titled 《A convenient approach to synthesize substituted 5-Arylidene-3-m-tolyl thiazolidine-2, 4-diones by using morpholine as a catalyst and its theoretical study》.Related Products of 100-83-4 The article contains the following contents:

A convenient approach to synthesis 3-m-tolyl-5-arylidene-2,4-thiazolidinediones (TZDs) I [R = 3-OH, 2-MeO, 2-Cl, 3-Cl, 2-2ON] derivatives in two steps with moderate to good yield using morpholine as a catalyst was reported. All the structures I were confirmed by their spectral IR, 1H NMR and 13C NMR data. The anti-diabatic activity of all synthesized mols. I was evaluated by docking with peroxisome proliferator-activated receptor-γ (PPARγ). Preliminary flexible docking studies revealed that compounds I [R = 3-OH, 2-MeO, 4-Cl] showed better binding affinity with the protein and could be a potential candidate for the treatment of type 2 diabetes in near future. In the part of experimental materials, we found many familiar compounds, such as 3-Hydroxybenzaldehyde(cas: 100-83-4Related Products of 100-83-4)

3-Hydroxybenzaldehyde(cas: 100-83-4) can be used as a reactant along with ethyl acetoacetate and thiourea in the synthesis of corresponding dihydropyrimidine-2-thione (monastrol), using Yb(OTf)3 as a catalyst by Biginelli cyclocondensation reaction.Related Products of 100-83-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts