Month: November 2022

Syntheses, crystal structures and spectroscopic characterization of two new octahedral nickel(II) complexes of a Schiff base ligand derived from pyridoxal and 2-(pyrid-2-yl)ethylamine was written by Mandal, Senjuti;Modak, Ritwik;Sikdar, Yeasin;Naskar, Barnali;Goswami, Sanchita. And the article was included in Journal of Molecular Structure in 2014.Product Details of 65-22-5 The following contents are mentioned in the article:

Two new coordination compounds based on ONN donor Schiff base ligand derived from pyridoxal and 2-(pyrid-2-yl)ethylamine, namely {[Ni(HL)(H₂O)₂](ClO₄)₂}_∞ (1) and [Ni(HL)(H₂O)(SCN)₂] (2) have been synthesized and structurally characterized by single-crystal x-ray diffraction along with other phys. techniques, including elemental anal., IR spectra and UV-visible studies. X-ray studies suggest that both 1 and 2 are mononuclear nickel(II) complexes and exhibit distorted octahedral geometry. In these compounds the pyridoxal based Schiff base ligand displays different coordination modes constructing various architectures. This study involved multiple reactions and reactants, such as 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5Product Details of 65-22-5).

3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5) belongs to alcohols. A strong base can deprotonate an alcohol to yield an alkoxide ion (R―O−). For example, sodamide (NaNH2), a very strong base, abstracts the hydrogen atom of an alcohol. Tertiary alcohols cannot be oxidized at all without breaking carbon-carbon bonds, whereas primary alcohols can be oxidized to aldehydes or further oxidized to carboxylic acids.Product Details of 65-22-5

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Hexnut[12]arene and its derivatives: Synthesis, host-guest properties, and application as nonporous adaptive crystals was written by Cheng, Jian;Gao, Bingbing;Tang, Hao;Sun, Zhihong;Xu, Linxian;Wang, Lingyun;Cao, Derong. And the article was included in Science China: Chemistry in 2022.SDS of cas: 620-92-8 The following contents are mentioned in the article:

Hexnut[12]arene (HN[12]) and its derivatives, a new class of sixfold macrocyclic arenes, were designed and synthesized in reasonable yield by a one-pot reaction at room temperature using dimethoxymethane as a methylene source. HN[12], which bears a large, sym., and rigid cavity, was easily functionalized at both the methylene bridges and the hydroquinone units. A water-soluble fluorescent HN[12] was synthesized and used as a host to encapsulate benzyl viologen dichloride in water with a high binding affinity of (3.4 ± 0.2) x 106 M-1. The nonporous adaptive crystal (NAC) of HN[12] was found to capture not only inorganic mols. (iodine) but also trace amounts of large organic mols. (basic fuchsine) from water, which greatly expanded the scope of NACs for adsorption. This study involved multiple reactions and reactants, such as 4,4′-Methylenediphenol (cas: 620-92-8SDS of cas: 620-92-8).

4,4′-Methylenediphenol (cas: 620-92-8) belongs to alcohols. Under appropriate conditions, inorganic acids also react with alcohols to form esters. To form these esters, a wide variety of specialized reagents and conditions can be used. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.SDS of cas: 620-92-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

A rapid and naked-eye visible rhodamine 6G-based chemosensor for sensitive detection of copper(II) ions in aqueous solution was written by Huang, Q.;Chen, Y. T.;Ren, Y. W.;Wang, Z. Y.;Zhu, Y. X.;Zhang, Y.. And the article was included in Analytical Methods in 2018.Application In Synthesis of 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride The following contents are mentioned in the article:

A new rhodamine 6G derivative (R6GHP) has been synthesized for quick recognition of copper(II) ions (Cu2+) in aqueous solutions The structure of R6GHP has been characterized by NMR and electrospray ionization mass spectrometry. Upon binding of Cu2+, the fluorescence intensity remarkably increases with about 36-fold enhancement. In addition, the color change from colorless to pink is visible to the naked eye. In optimal conditions, the fluorescence intensity and absorbance of R6GHP show good linearity with concentration of Cu2+ in the ranges of 1.0 × 10-6 to 1.0 × 10-5 mol L-1 and 1.0 × 10-6 to 1.2 × 10-5 mol L-1, resp., with detection limits of 3.9 × 10-7 mol L-1 and 1.0 × 10-6 mol L-1. Besides, it has been successfully applied to detect Cu2+ in two water samples. This study involved multiple reactions and reactants, such as 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5Application In Synthesis of 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride).

3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride (cas: 65-22-5) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. A multistep synthesis may use Grignard-like reactions to form an alcohol with the desired carbon structure, followed by reactions to convert the hydroxyl group of the alcohol to the desired functionality.Application In Synthesis of 3-Hydroxy-5-(hydroxymethyl)-2-methylisonicotinaldehyde hydrochloride

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Influence of ozone and ultraviolet combination on volatile flavor and functional components of dried Goji was written by Gong, Yuan;Liu, Dun-hua. And the article was included in Shipin Yu Fajiao Gongye in 2015.Application In Synthesis of 2-Butyl-2-ethylpropane-1,3-diol The following contents are mentioned in the article:

Volatile compounds in Gojis treated by ozone and UV combination and untreated ones were extracted and analyzed by solid phase micro-extraction and gas chromatog. mass spectrometry. The relative contents of volatile compounds were tested. Thee were 46 volatile compounds identified which accounted for 64.02% of the total amount of elution components in untreated Goji; 51 volatile compounds were identified which was 70.73% of the total amount of elution components in ozone and UV combined dried Goji. Compared with the untreated ones, the ozone and UV treated Gojis were higher in the quantities and relative content of volatile components and in the functional ingredients flavonoid content increased slightly, polysaccharides and carotenoids declined at different degrees. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Application In Synthesis of 2-Butyl-2-ethylpropane-1,3-diol).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. Secondary alcohols are easily oxidized without breaking carbon-carbon bonds only as far as the ketone stage. No further oxidation is seen except under very stringent conditions.Application In Synthesis of 2-Butyl-2-ethylpropane-1,3-diol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Liquid chromatographic resolution of 1,1′-bi-2-naphthol and 3,3′-diaryl-1,1′-bi-2-naphthols on Pirkle-type chiral stationary phases based on leucine and phenylglycine was written by Hyun, Myung Ho;Kim, Kwang Soo;Cho, Yoon Jae. And the article was included in Journal of Liquid Chromatography & Related Technologies in 2005.Application In Synthesis of (R)-[1,3′:1′,1”:3”,1”’-Quaternaphthalene]-2′,2”-diol The following contents are mentioned in the article:

Pirkle-type chiral stationary phases (CSPs) based on (S)-leucine and (S)-phenylglycine were applied in the resolution of 1,1′-bi-2-naphthol and 3,3′-diaryl-1,1′-bi-2-naphthols. Among the two Pirkle-type CSPs, the one based on (S)-N-(3,5-dinitrobenzoyl)leucine N-propylamide is excellent and most widely applicable. The elution orders for the resolution of 1,1′-bi-2-naphthol on the CSPs based on (S)-N-(3,5-dinitrobenzoyl)leucine N-propylamide and (S)-N-(3,5-dinitrobenzoyl)phenylglycine N-propylamide were opposite to those for the resolution of 3,3′-diaryl-1,1′-bi-2-naphthols. To rationalize the reversed elution orders, the authors proposed two different chiral recognition mechanisms based on the chromatog. resolution behaviors, with the aid of the CPK mol. model study. This study involved multiple reactions and reactants, such as (R)-[1,3′:1′,1”:3”,1”’-Quaternaphthalene]-2′,2”-diol (cas: 851615-07-1Application In Synthesis of (R)-[1,3′:1′,1”:3”,1”’-Quaternaphthalene]-2′,2”-diol).

(R)-[1,3′:1′,1”:3”,1”’-Quaternaphthalene]-2′,2”-diol (cas: 851615-07-1) belongs to alcohols. Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes, are valuable intermediates in the synthesis of other compounds, and are among the most abundantly produced organic chemicals in industry. A multistep synthesis may use Grignard-like reactions to form an alcohol with the desired carbon structure, followed by reactions to convert the hydroxyl group of the alcohol to the desired functionality.Application In Synthesis of (R)-[1,3′:1′,1”:3”,1”’-Quaternaphthalene]-2′,2”-diol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Facilitated transport of boric acid by 1,3-diols through supported liquid membranes was written by Bachelier, N.;Chappey, C.;Langevin, D.;Metayer, M.;Verchere, J.-F.. And the article was included in Journal of Membrane Science in 1996.Reference of 115-84-4 The following contents are mentioned in the article:

Boric acid is transported selectively by 1,3-diols from an aqueous source phase into an alk. aqueous receiving phase through an organic solvent (o-dichlorobenzene) phase. Measurements of the transport rates were made by using a U-tube apparatus The process was adapted to liquid membranes supported on polypropylene films. The factors which influence the stability of the supported liquid membrane are discussed. Assuming that the transport of the neutral 1:1 diol-boric acid complex within the organic phase is diffusion-limited, a model is proposed that realistically represents the fluxes of boric acid as a function of the initial concentrations of boric acid and diol. The exptl. diffusion coefficients were determined and agreed satisfactorily with the calculated values. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Reference of 115-84-4).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. A strong base can deprotonate an alcohol to yield an alkoxide ion (R―O−). For example, sodamide (NaNH2), a very strong base, abstracts the hydrogen atom of an alcohol. Secondary alcohols are easily oxidized without breaking carbon-carbon bonds only as far as the ketone stage. No further oxidation is seen except under very stringent conditions.Reference of 115-84-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Differential multicomponent spectrophotometry-spectrophotometric method for determination of benzyl benzoate and N-butyl acetanilide in clothing impregnant M-1960 was written by Beroza, Morton. And the article was included in Anal. Chem. in 1953.Quality Control of 2-Butyl-2-ethylpropane-1,3-diol The following contents are mentioned in the article:

The differential multicomponent spectrophotometric analysis of Hiskey and Firestone (C.A. 46, 11013d) is modified to allow its use in systems that do not follow Beer’s law. Essentially the method involves the determination of absorbency differences between a solution containing known ingredients and one containing almost the same concentration of those ingredients. Analysis of the mixture by the absolute method permits a solution (saturated solution) of approx, equal concentration of pure materials to be prepared The differences in absorbancies of these two solutions are determined at chosen wave lengths and used to determine the final concentration When the system does not follow Beer’s law then known amounts of each substituent must be added to the saturated solution This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4Quality Control of 2-Butyl-2-ethylpropane-1,3-diol).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. The oxygen atom of the strongly polarized O―H bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. Grignard and organolithium reagents are powerful tools for organic synthesis, and the most common products of their reactions are alcohols.Quality Control of 2-Butyl-2-ethylpropane-1,3-diol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

The influence of the fortification of red pitaya (Hylocereus polyrhizus) powder on the in vitro digestion, physical parameters, nutritional profile, polyphenols and antioxidant activity in the oat-wheat bread was written by Huang, Yanyi;He, Mengya;Kasapis, Stefan;Brennan, Margaret;Brennan, Charles. And the article was included in International Journal of Food Science and Technology in 2022.Product Details of 29106-49-8 The following contents are mentioned in the article:

This study evaluated the phys. parameters, polyphenol profile and antioxidant activity before and after the in vitro digestion of red pitaya powder-enriched oat-wheat bread compared to plain wheat bread, oat-wheat bread and red pitaya powder. The enrichment of red pitaya powder significantly increased the polyphenol, mineral contents, insoluble dietary fiber, firmness and moisture content of oat-wheat bread compared to wheat bread, while contributed to a minor reduction in bread volume and dough extensibility due to gluten dilution The oat-wheat bread was found to have the lowest predicted glycemic response, but 5%, 10% and 15% red pitaya powder formulated oat-wheat bread showed a significantly lower glycemic response than plain wheat bread as well as red pitaya powder. This study involved multiple reactions and reactants, such as (2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8Product Details of 29106-49-8).

(2R,2’R,3R,3’R,4R)-2,2′-Bis(3,4-dihydroxyphenyl)-[4,8′-bichromane]-3,3′,5,5′,7,7′-hexaol (cas: 29106-49-8) belongs to alcohols. Alcohols are among the most common organic compounds. They are used as sweeteners and in making perfumes, are valuable intermediates in the synthesis of other compounds, and are among the most abundantly produced organic chemicals in industry. A multistep synthesis may use Grignard-like reactions to form an alcohol with the desired carbon structure, followed by reactions to convert the hydroxyl group of the alcohol to the desired functionality.Product Details of 29106-49-8

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Influence of side group contents of polycarbonate glycol on aggregation structures and mechanical properties of polyurethane elastomers was written by Kojio, Ken;Furukawa, Mutsuhisa;Motokucho, Suguru;Mizokami, Motonori;Yoshinaga, Kohji. And the article was included in Nippon Gomu Kyokaishi in 2012.SDS of cas: 115-84-4 The following contents are mentioned in the article:

Polycarbonate (PC) glycol synthesized from 1,6-hexanediol and 2-butyl-2-ethyl-1,3-propanediol (BEPD) with various ratios were employed to control the mech. property of PC-glycol-based polyurethane elastomers (PUEs). The PUEs were synthesized from PC-glycol, 4,4′-diphenylmethane diisocyanate and 1,4-butanediol by a one-shot method. The degree of microphase separation became weaker with an increase in the BEPD content. This trend results in a decrease in Young’s modulus due to the lack of the formation of crystallized hard segment domains in the PUEs. Tensile strength and strain at break decreased and increased with increasing BEPD content, resp. This result clearly suggests that Bu and Et groups of the BEPD part suppressed the packing of the soft segment under elongation. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4SDS of cas: 115-84-4).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. The oxygen atom of the strongly polarized O―H bond of an alcohol pulls electron density away from the hydrogen atom. This polarized hydrogen, which bears a partial positive charge, can form a hydrogen bond with a pair of nonbonding electrons on another oxygen atom. Alcohols may be oxidized to give ketones, aldehydes, and carboxylic acids. These functional groups are useful for further reactions. Oxidation of organic compounds generally increases the number of bonds from carbon to oxygen (or another electronegative element, such as a halogen), and it may decrease the number of bonds to hydrogen.SDS of cas: 115-84-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Equilibrium of boron extraction with 2-butyl-2ethyl-1,3-propanediol in 2-ethylhexanol was written by Kwon, TaeOk;Kawano, Yuka;Toorisaka, Eiichi;Takanashi, Hirokazu;Yamagishi, Toshio;Hirata, Makoto;Hano, Tadashi. And the article was included in Solvent Extraction Research and Development, Japan in 2004.HPLC of Formula: 115-84-4 The following contents are mentioned in the article:

Boron extraction equilibrium was investigated by using 2-butyl-2-ethyl-1,3-propane-diol (BEPD) dissolved in 2-ethylhexanol (EH) as the organic solvent at various boric acid concentrations, extractant concentrations and pH values. The distribution ratio of boron increased with the initial concentration of BEPD in the organic phase for all boron concentrations examined in this study. At each BEPD concentrations, the distribution ratio of boron was constant with minimal effect of boron concentration The effect of pH on boron extraction with BEPD in EH was also examined, and the results verified the fact that boron extraction with BEPD in 2-ethylhexanol was effective in acidic and weakly alk. media (pH < 9), but at pH values above 8 boron was stripped from the organic phase. This study involved multiple reactions and reactants, such as 2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4HPLC of Formula: 115-84-4).

2-Butyl-2-ethylpropane-1,3-diol (cas: 115-84-4) belongs to alcohols. Because alcohols are easily synthesized and easily transformed into other compounds, they serve as important intermediates in organic synthesis. Tertiary alcohols cannot be oxidized at all without breaking carbon-carbon bonds, whereas primary alcohols can be oxidized to aldehydes or further oxidized to carboxylic acids.HPLC of Formula: 115-84-4

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts