Month: October 2022

Zhang, Qingchun; Feng, Shufan; Zhao, Yulian; Jin, Bo; Peng, Rufang published an article in 2021. The article was titled 《Design and synthesis of N-hydroxyalkyl substituted deferiprone: a kind of iron chelating agents for Parkinson′s disease chelation therapy strategy》, and you may find the article in JBIC, Journal of Biological Inorganic Chemistry.Computed Properties of C4H11NO The information in the text is summarized as follows:

The blood-brain barrier (BBB) permeability of mols. needs to meet stringent requirements of Lipinski′s rule, which pose a difficulty for the rational design of efficient chelating agents for Parkinson′s disease chelation therapy. Therefore, the iron chelators employed N-aliphatic alcs. modification of deferiprone were reasonably designed in this work. The chelators not only meet Lipinski′s rule for BBB permeability, but also ensure the iron affinity. The results of solution thermodn. demonstrated that the pFe3+ value of N-hydroxyalkyl substituted deferiprone is between 19.20 and 19.36, which is comparable to that of clin. deferiprone. The results of 2,2-diphenyl-1-picrylhydrazyl radical scavenging assays indicated that the N-hydroxyalkyl substituted deferiprone also possesses similar radical scavenging ability in comparison to deferiprone. Meanwhile, the Cell Counting Kit-8 assays of neuron-like rat pheochromocytoma cell-line demonstrated that the N-hydroxyalkyl substituted deferiprone exhibits extremely low cytotoxicity and excellent H2O2-induced oxidative stress protection effect. These results indicated that N-hydroxyalkyl substituted deferiprone has potential application prospects as chelating agents for Parkinson′s disease chelation therapy strategy. Graphic abstract: [graphic not available: see fulltext] The experimental part of the paper was very detailed, including the reaction process of 4-Aminobutan-1-ol(cas: 13325-10-5Computed Properties of C4H11NO)

4-Aminobutan-1-ol(cas: 13325-10-5) is used in the synthesis of NSAIDs with anti-inflammatory properties. Also used in the synthesis of polyamine transport ligands with specificity against human cancers allowing easy access to specific cancer cells.Computed Properties of C4H11NO

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Intermaggio, Nicholas E.; Millet, Agustin; Davis, Dali L.; MacMillan, David W. C. published an article in 2022. The article was titled 《Deoxytrifluoromethylation of Alcohols》, and you may find the article in Journal of the American Chemical Society.Product Details of 100-55-0 The information in the text is summarized as follows:

Deoxy-functionalization of alcs. represents a class of reactions that has had profound impact on modern medicine. In particular, deoxyfluorination is commonly employed as a means to incorporate high-value fluorine atoms into drug-like mols. Recently, the trifluoromethyl (CF3) group has garnered attention from medicinal chemists due to its ability to markedly improve the pharmaceutical properties of small mol. drug candidates. To date, however, there remains no general means to accomplish the analogous deoxygenative trifluoromethylation of alcs. Herein, a copper metallaphotoredox-mediated direct deoxytrifluoromethylation is reported, wherein alc. substrates are activated in situ by benzoxazolium salts for C(sp3)-CF3 bond formation. The experimental part of the paper was very detailed, including the reaction process of 3-Pyridinemethanol(cas: 100-55-0Product Details 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.Product Details of 100-55-0

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Recommanded Product: Azetidin-3-ol hydrochlorideIn 2021 ,《Asymmetric copper-catalyzed propargylic amination with amine hydrochloride salts》 appeared in Chemical Communications (Cambridge, United Kingdom). The author of the article were Huang, Jian; Kong, Han-Han; Li, Si-Jia; Zhang, Rui-Jin; Qian, Hao-Dong; Li, Dan-Ran; He, Jin-Yu; Zheng, Yi-Nuo; Xu, Hao. The article conveys some information:

The highly enantioselective copper-catalyzed propargylic amination of propargylic esters with amine hydrochloride salts has been realized for the first time using copper salts with chiral N,N,P-ligands. This method features a broad substrate scope and wide functional group tolerance, generating propargylic amines in good to excellent yields with high enantioselectivities (up to 99% ee). The utility of the approach was demonstrated by late-stage functionalization of marketed pharmaceuticals. In the experimental materials used by the author, we found Azetidin-3-ol hydrochloride(cas: 18621-18-6Recommanded Product: Azetidin-3-ol hydrochloride)

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.Recommanded Product: Azetidin-3-ol hydrochloride 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

Category: alcohols-buliding-blocksIn 2020 ,《Ring-Opening Lithiation-Borylation of 2-Trifluoromethyl Oxirane: A Route to Versatile Tertiary Trifluoromethyl Boronic Esters》 was published in Angewandte Chemie, International Edition. The article was written by Nandakumar, Meganathan; Rubial, Belen; Noble, Adam; Myers, Eddie L.; Aggarwal, Varinder K.. The article contains the following contents:

Stereogenic trifluoromethyl-substituted carbon centers are highly sought-after moieties in pharmaceutical and agrochem. discovery. Here, we show that lithiation-borylation reactions of 2-trifluoromethyl oxirane give densely functionalized and highly versatile trifluoromethyl-substituted α-tertiary boronic esters. The intermediate boronate complexes undergo the desired 1,2-rearrangement of the carbon-based group with complete retentive stereospecificity, a process that was only observed in non-polar solvents in the presence of TESOTf. Although the trifluoromethyl group adversely affects subsequent transformations of the α-boryl group, Zweifel olefinations provide trifluoromethyl-bearing quaternary stereocenters substituted with alkenes, alkynes and ketones. In the experiment, the researchers used many compounds, for example, 4,4,5,5-Tetramethyl-2-phenyl-1,3,2-dioxaborolane(cas: 24388-23-6Category: alcohols-buliding-blocks)

4,4,5,5-Tetramethyl-2-phenyl-1,3,2-dioxaborolane(cas: 24388-23-6) also known as boronate ester, is generally used in metal-catalyzed C-C bond formation reactions like Suzuki–Miyaura reaction.Category: alcohols-buliding-blocks

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Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

《A study on drug prescribing pattern, drug interaction and evaluation of medication adherence among smoking and non-smoking chronic obstructive pulmonary disease patients in tertiary care teaching hospital》 was published in Indo American Journal of Pharmaceutical Research in 2022. These research results belong to Jose, Anupriya; Sojan, Sonu Maria; Ritesh, Sinha; Kumar, T. Chaithanya. SDS of cas: 23828-92-4 The article mentions the following:

The aim of the study is to assess the Drug Prescribing Pattern, Drug Interaction and Evaluation of Medication Adherence among Smoking and Non-smoking Chronic Obstructive Pulmonary Disease Patients in Tertiary Care Teaching Hospital. The primary objectives of the study is to access the drug prescribing pattern, and to determine various etiologies in non-smoker COPD patients. This study identifies drug interactions based on their severity and medication adherence in smoker and non-smoker patients. A Prospective, Observational and Hospital based study was conducted on patients admitted in a tertiary care teaching hospital for a period of 6 mo. Data regarding patient′s demog. details, the prescription of the patient who are treated during the course of the study are audited prospectively using a specifically predesigned proforma. The study reveals that males (51.33%) were more likely to have COPD in which majority of patients were nonsmoker (68%) above 60 years of age. Among all medications the major class of drugs prescribed were Antibiotics, Bronchodilator, Corticosteroids and least were Antitussives. The present study concluded that proportion of nonsmoker COPD patients are higher than smokers due to multiple risk factor in which outdoor air pollution was the most leading factor. Most of the patients have low motivation and low knowledge. The major reasons for medication non-compliance were felt better and stopped, forget to take and refill. The study also reveals improving medication adherence among individuals with COPD is critical to optimizing patient outcomes. By providing effective counselling, medication adherence to the treatment can be achieved. In the experiment, the researchers used trans-4-((2-Amino-3,5-dibromobenzyl)amino)cyclohexanol hydrochloride(cas: 23828-92-4SDS of cas: 23828-92-4)

trans-4-((2-Amino-3,5-dibromobenzyl)amino)cyclohexanol hydrochloride(cas: 23828-92-4) enhances pulmonary surfactant production and stimulates ciliary activity.SDS of cas: 23828-92-4 It promotes mucus clearance, facilitates expectoration and eases productive cough, allowing patients to breathe.

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Recommanded Product: 153759-59-2On October 15, 2014 ,《Synthesis and evaluation of new 3-phenylcoumarin derivatives as potential antidepressant agents》 was published in Bioorganic & Medicinal Chemistry Letters. The article was written by Sashidhara, Koneni V.; Rao, K. Bhaskara; Singh, Seema; Modukuri, Ram K.; Aruna Teja, G.; Chandasana, Hardik; Shukla, Shubha; Bhatta, Rabi S.. The article contains the following contents:

A series of amine substituted 3-phenylcoumarin derivatives was designed and synthesized as potential antidepressant agents. In preliminary screening, all compounds were evaluated in forced swimming test (FST), a model to screen antidepressant activity in rodents. Among the series, compounds I and II potentially decreased the immobility time by 73.4% and 79.7% at a low dose of 0.5 mg/kg as compared to standard drug fluoxetine (FXT) which reduced the immobility time by 74% at a dose of 20 mg/kg, i.p. Addnl., these active compounds also exhibited significant efficacy in tail suspension test (TST) (another model to screen antidepressant compounds). Interestingly, rotarod and locomotor activity tests confirmed that these two compounds do not have any motor impairment effect and neurotoxicity in mice. Our studies demonstrate that the new 3-phenylcoumarin derivatives may serve as a promising antidepressant lead and hence pave the way for further investigation. The experimental process involved the reaction of 5-(tert-Butyl)-4-hydroxyisophthalaldehyde(cas: 153759-59-2Recommanded Product: 153759-59-2)

5-(tert-Butyl)-4-hydroxyisophthalaldehyde(cas: 153759-59-2) belongs to phenols.Recommanded Product: 153759-59-2Deprotonation of a phenol forms a corresponding negative phenolate ion or phenoxide ion, and the corresponding salts are called phenolates or phenoxides (aryloxides according to the IUPAC Gold Book).

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In 2022,Chemical Communications (Cambridge, United Kingdom) included an article by Du, Linlin; Sun, Li; Zhang, Hua. Computed Properties of C14H21BO2. The article was titled 《Photochemical and electrochemical C-N borylation of arylhydrazines》. The information in the text is summarized as follows:

The C-N borylation of arylhydrazine hydrochlorides ArNHNH2·HCl with bis(pinacolato)diboron B2pin2 was achieved under photochem. and electrochem. conditions, resp., affording arylboronates ArBpin with high yields. This novel and scalable transformation provides two efficient and mild transition-metal-free synthetic routes towards aryl boronate esters from easily available arylhydrazines. After reading the article, we found that the author used 2-(3,4-Dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane(cas: 401797-00-0Computed Properties of C14H21BO2)

2-(3,4-Dimethylphenyl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane(cas: 401797-00-0) 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.Computed Properties of C14H21BO2

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Sashidhara, Koneni V.; Modukuri, Ram K.; Singh, Seema; Bhaskara Rao, K.; Aruna Teja, G.; Gupta, Sampa; Shukla, Shubha published an article on January 15 ,2015. The article was titled 《Design and synthesis of new series of coumarin-aminopyran derivatives possessing potential anti-depressant-like activity》, and you may find the article in Bioorganic & Medicinal Chemistry Letters.Related Products of 153759-59-2 The information in the text is summarized as follows:

A new series of coumarin based aminopyran derivatives I [ R1 = Me, iso-Pr, sec-Bu, tert-Bu; R2 = H, OMe; R3 = OMe; R4 = H, OMe; R5 = H, Me] were designed, synthesized and evaluated for their preclin. antidepressant effect on Swiss albino mice. Among the series, compounds I [ R1 = iso-Pr, R2 = R4 = H, R3 = OMe, R5 = Me; R1 = iso-Pr, R2 = R4 = = R5 = H, R3 = OMe; R1 = iso-Pr, R2 = R5 = H, R3 = R4= OMe; R1 = iso-Pr, R2 = H, R3 = R4= OMe, R5 = Me; R1 = sec-Bu, R2 = R4 = H, R3 = OMe, R5 = Me; R1 = sec-Bu, R2 = H, R3 = R4= OMe, R5 = Me] exhibited significant activity profile in forced swimming test (FST). Compound I [R1 = iso-Pr, R2 = H, R3 = R4= OMe, R5 = Me] was most efficacious, which at a very low dose of 0.5 mg/kg reduced the time of immobility by 86.5% as compared to the standard drug fluoxetine (FXT) which reduced the immobility time by 69.8% at the dose of 20 mg/kg, i.p. In addition, all active compounds were screened in dose dependent manner (at doses of 0.25, 0.5, 1 mg/kg i.p.) in FST and tail suspension test (TST). Interestingly, all active compounds did not caused any significant alteration of locomotor activity in mice as compared to control, indicating that the hybrids did not produce any motor impairment effects. The results indicate that coumarin-aminopyran derivatives may have potential therapeutic value for the management of mental depression. After reading the article, we found that the author used 5-(tert-Butyl)-4-hydroxyisophthalaldehyde(cas: 153759-59-2Related Products of 153759-59-2)

5-(tert-Butyl)-4-hydroxyisophthalaldehyde(cas: 153759-59-2) belongs to phenols.Deprotonation of a phenol forms a corresponding negative phenolate ion or phenoxide ion, and the corresponding salts are called phenolates or phenoxides (aryloxides according to the IUPAC Gold Book).Related Products of 153759-59-2

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

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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Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

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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