Month: October 2022

HPLC of Formula: 63012-03-3On November 5, 2004 ,《The effects of aromatic substituents on the chromatographic enantioseparation of diarylmethyl esters with the Whelk-O1 chiral stationary phase》 appeared in Journal of Chromatography A. The author of the article were Job, Gabriel E.; Shvets, Alex; Pirkle, William H.; Kuwahara, Shunsuke; Kosaka, Masashi; Kasai, Yusuke; Taji, Hiromi; Fujita, Kaori; Watanabe, Masataka; Harada, Nobuyuki. The article conveys some information:

Members of diarylmethanols, diarylmethyl pivalates, and diarylmethyl acetates were enantioresolved with the (S,S)-Whelk-O1 chiral stationary phase (CSP). An analog of the (S,S)-Whelk-O1 selector was combined with enantioenriched samples of the various diarylmethyl pivalates and thereby used as a chiral solvating agent (CSA) for high field 1H NMR studies. The absolute configurations of a number of chiral diarylmethyl pivalates were assigned using this approach, and hydrolysis of the pivalates allowed assignment of the absolute configurations of the corresponding diarylmethanols. Chromatog., 1H NMR, and x-ray evidence are given in support of a chiral recognition model for the enantioresoln. of diarylmethyl esters on this CSP. In the experimental materials used by the author, we found (3-Chlorophenyl)(phenyl)methanol(cas: 63012-03-3HPLC of Formula: 63012-03-3)

(3-Chlorophenyl)(phenyl)methanol(cas: 63012-03-3) belongs to hydroxy-containing compounds. Hydroxy-containing compounds engage in intermolecular hydrogen bonding increasing the electrostatic attraction between molecules and thus to higher boiling and melting points than found for compounds that lack this functional group. Organic compounds, which are often poorly soluble in water, become water-soluble when they contain two or more hydroxy groups, as illustrated by sugars and amino acid.HPLC of Formula: 63012-03-3

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Hashimoto, Yuka; Hosokawa, Sasuga; Liang, Fengying; Suzuki, Yuto; Dai, Namin; Tana, Gegen; Eda, Kazuo; Kakiuchi, Toshifumi; Okazoe, Takashi; Harada, Hidefumi; Tsuda, Akihiko published an article in Journal of Organic Chemistry. The title of the article was 《Photo-on-Demand Base-Catalyzed Phosgenation Reactions with Chloroform: Synthesis of Arylcarbonate and Halocarbonate Esters》.Recommanded Product: 3,3,3-Trifluoropropan-1-ol The author mentioned the following in the article:

Carbonate esters are utilized as solvents and reagents for C1 building blocks in organic synthesis. This study reports a novel photo-on-demand in situ synthesis of carbonate esters with CHCl3 solutions containing a mixture of an aromatic or haloalkyl alc. having relatively high acidity, and an organic base. We found that the acid-base interaction of the alc. and base in the CHCl3 solution plays a key role in enabling the photochem. reaction. This reaction allows practical syntheses of di-Ph carbonate derivatives, haloalkyl carbonates, and polycarbonates, which are important chems. and materials in industry. After reading the article, we found that the author used 3,3,3-Trifluoropropan-1-ol(cas: 2240-88-2Recommanded Product: 3,3,3-Trifluoropropan-1-ol)

3,3,3-Trifluoropropan-1-ol(cas: 2240-88-2) is a important organic intermediate. It can be used in agrochemical, pharmaceutical and dyestuff field.Recommanded Product: 3,3,3-Trifluoropropan-1-ol

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Alcohol – Wikipedia,
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Manjunatha, N. K.; Kumar, S. Madan; Swamy, M. T.; Siddaraju, B. P.; Lokanath, N. K. published an article in Chemical Data Collections. The title of the article was 《Solid state and Computational studies of Ambroxol hydrochloride drug》.Application In Synthesis of trans-4-((2-Amino-3,5-dibromobenzyl)amino)cyclohexanol hydrochloride The author mentioned the following in the article:

The title compound Ambroxol hydrochloride salt or 4-[(2-amino-3, 5-dibromophenyl) Me amino] cyclohexan-1-olhydrochloride (A) have been crystallized, characterized using FT-IR and confirmed by single crystal X-ray diffraction method. In addition, the intercontacts in the crystal structure are analyzed using Hirshfeld surfaces computational method. The A crystallizes in a monoclinic crystal system (space group C2/c) with cell parameters a = 25.1946(14) Å, b = 15.5139(9) Å, c = 8.1636(5) Å, β = 94.664(6)°, V = 3180.3(3) Å3 and Z = 8. An intermol. interaction of the type O-H… O, N-H… Cl, C-H… Br, C-H… Cg and C-Br… Cg stabilizes the crystal structure. The intercontacts in the crystal structures are visualized using 2D finger print plots. The electrostatic potential surfaces and topol. surfaces (shape index (S) and curvedness (C)) are plotted over the Hirshfeld surfaces to identify the potentials (pos. and neg.) and mol. surface topol., resp. Intercontacts are evaluated for the propensity of forming contacts in the crystal packing by enrichment ration (E) values. The presence of C-Br… Br-C intermol. interactions are confirmed using E values and is categorized as Type I halogen…halogen intermol. interactions. The experimental process involved the reaction of trans-4-((2-Amino-3,5-dibromobenzyl)amino)cyclohexanol hydrochloride(cas: 23828-92-4Application In Synthesis of trans-4-((2-Amino-3,5-dibromobenzyl)amino)cyclohexanol hydrochloride)

trans-4-((2-Amino-3,5-dibromobenzyl)amino)cyclohexanol hydrochloride(cas: 23828-92-4) is a mucolytic expectorant and a metabolite of bromhexine.Application In Synthesis of trans-4-((2-Amino-3,5-dibromobenzyl)amino)cyclohexanol hydrochloride It is used in the treatment of respiratory disorders characterized by viscous or excessive mucus.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

The author of 《Base-Mediated O-Arylation of Alcohols and Phenols by Triarylsulfonium Triflates》 were Ming, Xiao-Xia; Tian, Ze-Yu; Zhang, Cheng-Pan. And the article was published in Chemistry – An Asian Journal in 2019. Recommanded Product: 20880-92-6 The author mentioned the following in the article:

A mild and efficient protocol for O-arylation of alcs. and phenols by triarylsulfonium triflates was developed under transition-metal-free conditions. Various alcs., including primary, secondary and tertiary and phenols bearing either electron-donating or electron-withdrawing groups on the aryl rings were smoothly converted to form the corresponding aromatic ethers e.g., I in moderate to excellent yields. The reactions were conducted at 50 or 80 °C for 24 h in the presence of a certain base and showed good functional group tolerance. The base-mediated arylation with asym. triarylsulfonium salts could selectively transfer the aryl groups of sulfoniums to alcs., depending on their inherent electronic nature. The mechanistic studies revealed that the reaction might proceed through the nucleophilic attack of the in situ formed alkoxy or phenoxy anions at the aromatic carbon atoms of the C-S bonds of triarylsulfonium cations to furnish the target products. In the experiment, the researchers used ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6Recommanded Product: 20880-92-6)

((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6) is a useful reactant for examining the effectiveness of sulfamate and sulfamide groups for the inhibition of carbonic anhydrase-​II (CA-​II)​. And it is used as chiral auxiliaries in Michael and Aldol addition reactions.Recommanded Product: 20880-92-6

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Xing, Wei-Long; Wang, Jia-Xin; Fu, Ming-Chen; Fu, Yao published an article on February 1 ,2022. The article was titled 《Efficient Decarboxylative/Defluorinative Alkylation for the Synthesis of gem-Difluoroalkenes through an SN2′ Type Route》, and you may find the article in Chinese Journal of Chemistry.Safety of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol The information in the text is summarized as follows:

An efficient decarboxylative/defluorinative alkylation for synthesizing gem-difluoroalkenes F2C:CRCH2CR1R2R3 [R = 4-PhC6H4, naphthalen-2-yl, 1-methyl-1H-indol-5-yl, etc.; R1 = H, Me, Et; R2 = H, Me, Et, Ph, etc.; R1R2 = (CH2)3; R3 = Ph, CN, COOEt, etc.] is described, providing a general method for installation of the challenging alkyl fragments containing γ-electron-withdrawing groups into γ-trifluoromethyl alkenes RC(CF3):CH2. Mechanistic studies suggest that this process involves an SN2′-type synthetic route in the absence of transition-metal catalysts or photocatalysis. Moreover, this protocol can easily be scaled up, and successfully applied to the modification of biol. active mols., thus complementing methodologies that give access to structurally versatile gem-difluoroalkenes. The experimental process involved the reaction of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6Safety of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol)

((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol(cas: 20880-92-6) is a useful reactant for examining the effectiveness of sulfamate and sulfamide groups for the inhibition of carbonic anhydrase-​II (CA-​II)​. And it is used as chiral auxiliaries in Michael and Aldol addition reactions.Safety of ((3aS,5aR,8aR,8bS)-2,2,7,7-Tetramethyltetrahydro-3aH-bis([1,3]dioxolo)[4,5-b:4′,5′-d]pyran-3a-yl)methanol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In 2014,Yin, Qun-jian; Chen, Xiao-xiao; Yang, Hong-sheng; Lin, Ming-shi; Mao, Xin-qi; Fang, Zai-guang published 《Fermentation conditions optimization for agarase-producing strain and the enzymatic properties》.Shipin Gongye (Shanghai, China) published the findings.Application of 6381-59-5 The information in the text is summarized as follows:

To improve enzyme activity, optimize the fermentation conditions and study its enzymic properties, the optimum fermentation conditions were determined by single factor experiments and orthogonal experiments: 0.3% yeast extract, 1.2% agar, pH 8, 28 °C, 0.02% K2HPO4 and 0.02% CaCl2. The optimized enzyme activity was up to 576.25 U/mL, which was 2.05 times compared with that before. Among yeast extract concentration, agar concentration and pH the three factors, pH played the most important role in the enzymic activity while yeast extract concentration the least. Studies on enzymic properties showed that its optimal temperature and pH were 36 °C and 7.5, resp. It was stable at pH 6.5-8 and 20-45 °C. The strain had the potential to produce agar oligosaccharide efficiently because of its high efficient degradation and good stability. After reading the article, we found that the author used Potassium sodium (2R,3R)-2,3-dihydroxysuccinate tetrahydrate(cas: 6381-59-5Application of 6381-59-5)

Potassium sodium (2R,3R)-2,3-dihydroxysuccinate tetrahydrate(cas: 6381-59-5) is a ferroelectric crystal with a high piezoelectric effect and electromechanical coupling coefficient. Application of 6381-59-5 It is utilized to break up emulsion in organic synthesis as well as a common precipitant in protein crystallography.

Referemce:
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In 2017,Li, Zhao; Tamura, Masamichi; Yazaki, Ryo; Ohshima, Takashi published 《Catalytic chemoselective conjugate addition of amino alcohols to α,β-unsaturated ester: hydroxy group over amino group and conjugate addition over transesterification》.Chemical & Pharmaceutical Bulletin published the findings.Category: alcohols-buliding-blocks The information in the text is summarized as follows:

A highly chemoselective conjugate addition of amino alcs. to α,β-unsaturated ester using a soft Lewis acid/hard Bronsted base cooperative catalyst was developed. This catalysis achieved chemoselective addition of a hydroxy group over an amino group. Moreover, soft metal alkoxide generation enabled chemoselective soft conjugate addition over hard transesterification. Various amino alcs., including unprecedented cyclic β-amino alc., were applicable to the present catalysis. After reading the article, we found that the author used (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol(cas: 126456-43-7Category: alcohols-buliding-blocks)

(1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol(cas: 126456-43-7) belongs to anime. Amines can be classified according to the nature and number of substituents on nitrogen. Aliphatic amines contain only H and alkyl substituents. Aromatic amines have the nitrogen atom connected to an aromatic ring.Important amines include amino acids, biogenic amines, trimethylamine, and aniline. Inorganic derivatives of ammonia are also called amines, such as monochloramine (NClH2).Category: alcohols-buliding-blocks

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In 2018,Mizojiri, Ryo; Asano, Moriteru; Tomita, Daisuke; Banno, Hiroshi; Nii, Noriyuki; Sasaki, Masako; Sumi, Hiroyuki; Satoh, Yoshihiko; Yamamoto, Yukiko; Moriya, Takeo; Satomi, Yoshinori; Maezaki, Hironobu published 《Discovery of Novel Selective Acetyl-CoA Carboxylase (ACC) 1 Inhibitors》.Journal of Medicinal Chemistry published the findings.Product Details of 18621-18-6 The information in the text is summarized as follows:

The authors initiated structure-activity relationship (SAR) studies for selective ACC1 inhibitors from 1a (N-(1-(2-(3-(3-methylphenoxy)azetidin-1-yl)-1,3-benzoxazol-6-yl)ethyl)acetamide) as a lead compound SAR studies of bicyclic scaffolds revealed many potent and selective ACC1 inhibitors represented by 1f (N-(1-(2-(4-(3-(Cyclopropylmethoxy)phenoxy)phenyl)-1,3-benzoxazol-6-yl)ethyl)acetamide), however most of them had physicochem. issues, particularly low aqueous solubility and potent CYP inhibition. To address these two issues and improve the drug-likeness of this chem. series, the authors converted the bicyclic scaffold into a monocyclic framework. Ultimately, this lead the authors to discover a novel monocyclic derivative 1q (1-((2S)-1-((2-(4-(3-(Cyclopropylmethoxy)phenoxy)phenyl)-1,3-oxazol-5-yl)oxy)propan-2-yl)urea) as a selective ACC1 inhibitor, which showed highly potent and selective ACC1 inhibition as well as acceptable solubility and CYP inhibition profiles. Since compound 1q displayed favorable bioavailability in mouse cassette dosing testing, the authors conducted in vivo PD studies of this compound Oral administration of 1q significantly reduced the concentration of malonyl-CoA in HCT-116 xenograft tumors at doses of more than 30 mg/kg. Accordingly, the authors’ novel series of selective ACC1 inhibitors represents a set of useful orally-available research tools, as well as potential therapeutic agents for cancer and fatty acid related diseases. In the experiment, the researchers used many compounds, for example, Azetidin-3-ol hydrochloride(cas: 18621-18-6Product Details of 18621-18-6)

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.Product Details of 18621-18-6 Several pharmacologically important synthetic compounds also contain azetidine ring. Because of inherent ring strain, the synthesis of azetidines is a challenging endeavor.

Referemce:
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In 2018,Organic Chemistry Frontiers included an article by Kuriyama, Masami; Nakashima, Sho; Miyagi, Tsubasa; Sato, Kanako; Yamamoto, Kosuke; Onomura, Osamu. SDS of cas: 27489-62-9. The article was titled 《Palladium-catalyzed chemoselective anaerobic oxidation of N-heterocycle-containing alcohols》. The information in the text is summarized as follows:

The palladium-catalyzed anaerobic oxidation for N-heterocycle-containing alcs. has been developed with chloroarenes as oxidants. In this process, primary and secondary alcs. were selectively oxidized even in the presence of cyclic amines as well as heteroarenes, and primary, secondary, and tertiary amino groups were found to be well tolerated. Moreover, a gram-scale chemoselective oxidation was achieved in addition to a double oxidation of a diamino diol. In the experimental materials used by the author, we found trans-4-Aminocyclohexanol(cas: 27489-62-9SDS of cas: 27489-62-9)

trans-4-Aminocyclohexanol(cas: 27489-62-9) belongs to anime. Reaction with nitrous acid (HNO2), which functions as an acylating agent that is a source of the nitrosyl group (―NO), converts aliphatic primary amines to nitrogen and mixtures of alkenes and alcohols corresponding to the alkyl group in a complex process. This reaction has been used for analytical determination of primary amino groups in a procedure known as the Van Slyke method.SDS of cas: 27489-62-9

Referemce:
Alcohol – Wikipedia,
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In 2019,Journal of Catalysis included an article by Thiruvengetam, Prabaharan; Chakravarthy, Rajan Deepan; Chand, Dillip Kumar. Application of 100-55-0. The article was titled 《A molybdenum based metallomicellar catalyst for controlled and chemoselective oxidation of activated alcohols in aqueous medium》. The information in the text is summarized as follows:

A surfactant based oxodiperoxo molybdenum complex, which could activate mol. oxygen, has been employed as a catalyst for controlled oxidation of benzylic alcs. to corresponding carbonyls I (R = 4-OMe, 3-Br, 4-NMe2, etc.) and II (R = 4-NO2, 4-SMe, 4-allyloxy, etc.; R’ = Me, Et, Ph, etc.). The oxidation reactions were carried out under aqueous environment, however, in the absence of any extraneous base or co-catalyst. Sensitive/oxidizable functional groups like cyano, sulfide, hydroxyl, aryl-hydroxyl, alkene (internal/terminal), alkyne (internal/terminal), and acetal were tolerated during the transformations. Such selectivity is attributed to the mild nature of the catalyst. The methodol. could also be scaled-up for multi-gram synthesis and the protocol is likely to find practical use since it requires an inexpensive recyclable-catalyst and easily available oxidant (under green conditions). A plausible mechanism is proposed with the help of preliminary computational study. The experimental process involved the reaction of 3-Pyridinemethanol(cas: 100-55-0Application of 100-55-0)

3-Pyridinemethanol(cas: 100-55-0) belongs to pyridine. Pyridine is widely used in the precursor to agrochemicals and pharmaceuticals. Also, it is used as an important reagent and organic solvent.Application of 100-55-0

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts