Month: October 2022

The author of 《Potential antitumor agents. 12. 2-Formyl-4-aminophenylpyridine thiosemicarbazones》 were Agrawal, Krishna C.; Booth, Barbara A.; DeNuzzo, Suzanne M.; Sartorelli, Alan C.. And the article was published in Journal of Medicinal Chemistry in 1975. Application In Synthesis of (4-Phenylpyridin-2-yl)methanol The author mentioned the following in the article:

Title compounds 4-(o-aminophenyl)- [55218-89-8], 4-(p-aminophenyl)- [55218-90-1], and 4-(m-aminophenyl)-2-formylpyridine thiosemicarbazone (I) [52583-84-3] were prepared from 4-phenylpyridine [939-23-1] by methylation with MeLi, nitration, separation of isomers as HCl or HNO3 salts, N-oxidation, rearrangement with Ac2O, hydrolysis, and oxidation of the resulting carbinol of the nitro group and reaction with thiosemicarbazide. Of the title compounds, only I was active, increasing the life span of mice bearing Sarcoma 180 ascites cells by ∼20 days. 2-Formyl-4-phenylpyridine thiosemicarbazone [55218-79-6] was only marginally active in the mouse sarcoma test. Structure-activity relations are discussed. In addition to this study using (4-Phenylpyridin-2-yl)methanol, there are many other studies that have used (4-Phenylpyridin-2-yl)methanol(cas: 55218-73-0Application In Synthesis of (4-Phenylpyridin-2-yl)methanol) was used in this study.

(4-Phenylpyridin-2-yl)methanol(cas: 55218-73-0) 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.Application In Synthesis of (4-Phenylpyridin-2-yl)methanol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Xie, Mengying; Wang, Zhiyi; Wan, Xinlong; Weng, Jie; Tu, Mengyun; Mei, Jin; Wang, Zhibin; Du, Xiaohong; Wang, Liangxing; Chen, Chan published their research in Journal of Biomaterials Applications on February 29 ,2020. The article was titled 《Crosslinking effects of branched PEG on decellularized lungs of rats for tissue engineering》.Recommanded Product: 76931-93-6 The article contains the following contents:

Poly (ethylene glycol) (PEG) has been paid much attention to its applications in tissue engineering. However, the studies on poly (ethylene glycol) in tissue applications were currently far from enough. To investigate the crosslinking effects of poly (ethylene glycol) in mech. properties, anti-enzymic ability and cytocompatibility, in this study, the poly (ethylene glycol) was crosslinked to decellularized lung scaffolds from rats. In order to obtain the PEGylated decellularized lung scaffold, the N-succinimidyl S-acetylthioacetate was first used to modify the decellularized lung scaffold, and a four-arm- poly (ethylene glycol) containing four acrylate groups was then crosslinked to the decellularized lung scaffold by the Michael addition reaction between acrylate group and sulfhydryl group. The results showed that the optimal concentration of poly (ethylene glycol) and reaction time of PEGylation of decellularized lung scaffold was 40 mg/mL and 4 h, resp. Histol. examinations, SEM and quantification of tissue morphol. by septal thickness consistently indicated no differences between PEGylated and normal decellularized lung scaffold in morphol. Compared with native lung and normal decellularized lung scaffold, the Young’s modulus and stiffness of PEGylated decellularized lung scaffold increased significantly, whereas enzymic degradation rate of PEGylated decellularized lung scaffold decreased significantly, suggesting that poly (ethylene glycol) significantly enhanced the biomech. property and anti-enzymic stability of decellularized lung scaffold. Further, no significant differences in cell viability were found between PEGylated and normal decellularized lung scaffold, suggesting no toxicity introduction of poly (ethylene glycol) into decellularized lung scaffold by the crosslinking. These findings may provide useful information for further applications of poly (ethylene glycol) in tissue engineering.2,5-Dioxopyrrolidin-1-yl 2-(acetylthio)acetate(cas: 76931-93-6Recommanded Product: 76931-93-6) was used in this study.

2,5-Dioxopyrrolidin-1-yl 2-(acetylthio)acetate(cas: 76931-93-6) belongs to pyrrolidine. Pyrrolidine being a good nucleophile easily undergoes electrophilic substitution reactions with different electrophiles such alkyl halides and acyl halides, and forms N-substituted pyrrolidines. N-Alkylpyrrolidine on further reaction with alkyl halide provided quaternary salts.Recommanded Product: 76931-93-6

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

Yang, Liu; Lu, Huan-Huan; Lai, Chu-Hui; Li, Gang; Zhang, Wei; Cao, Rui; Liu, Fengyi; Wang, Chao; Xiao, Jianliang; Xue, Dong published an article in Angewandte Chemie, International Edition. The title of the article was 《Light-Promoted Nickel Catalysis: Etherification of Aryl Electrophiles with Alcohols Catalyzed by a NiII-Aryl Complex》.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 author mentioned the following in the article:

A highly effective C-O coupling reaction of (hetero)aryl electrophiles with primary and secondary alcs. is reported. Catalyzed by a NiII-aryl complex under long-wave UV (390-395 nm) irradiation in the presence of a soluble amine base without any addnl. photosensitizer, the reaction enables the etherification of aryl bromides and aryl chlorides as well as sulfonates with a wide range of primary and secondary aliphatic alcs., affording synthetically important ethers. Intramol. C-O coupling is also possible. The reaction appears to proceed via a NiI-NiIII catalytic cycle.((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) was used in this study.

((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 1974,Okutani, Tetsuya; Kaneko, Tatsuhiko; Masuda, Katsutada published 《Azetidine derivatives. I. Synthesis o f 3-substituted azetidine derivatives》.Chemical & Pharmaceutical Bulletin published the findings.Formula: C3H8ClNO The information in the text is summarized as follows:

The azetidinols I (R = OH; R1 = Me2CH, Me3C, cyclohexyl, PhCHMe; R2 = H) were prepared by treating R1NH2 with epichlorohydrin followed by MeCN. I (R = OH, R1 = Et, R2 = H) was prepared from I (R = OH, R1 = R2 = H) and EtI. cis- and trans-I (R = OH, R1 = cyclohexyl, R2 = Ph) were prepared by bromination of PhCH:CHCH2Cl followed by treatment with cyclohexylamine. I (R = OH; R1 = Me2CH, Me3C, tert-octyl, cyclohexyl, PhCHMe, 1-adamantyl; R2 = H) were converted to I [R = MeSO3, NH2, CN, CO2H, NHC(:NH)NH2]. I [R = NHC(:NH)NH2] were antihypertensives (no data). In the experiment, the researchers used many compounds, for example, Azetidin-3-ol hydrochloride(cas: 18621-18-6Formula: C3H8ClNO)

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.Formula: C3H8ClNO 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

In 2018,Journal of the American Chemical Society included an article by Wang, Hao; Bai, Zibo; Jiao, Tangqian; Deng, Zhiqiang; Tong, Huarong; He, Gang; Peng, Qian; Chen, Gong. Name: (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol. The article was titled 《Palladium-Catalyzed Amide-Directed Enantioselective Hydrocarbofunctionalization of Unactivated Alkenes Using a Chiral Monodentate Oxazoline Ligand》. The information in the text is summarized as follows:

A Pd-catalyzed amide-directed enantioselective hydrocarbofunctionalization of unactivated alkenes with C-H nucleophiles has been developed using a chiral monodentate oxazoline (MOXin) ligand. Various indoles react at C3 position with aminoquinoline-coupled 3-alkenamides to give γ addition products in good to excellent yield and enantioselectivity. This study represents an important advance of the development of chiral monodentate oxazoline ligands, which have been underexplored for asym. catalysis. In the part of experimental materials, we found many familiar compounds, such as (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)

(1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol(cas: 126456-43-7) belongs to anime. Acylation is one of the most important reactions of primary and secondary amines; a hydrogen atom is replaced by an acyl group (a group derived from an acid, such as RCOOH or RSO3H, by removal of ―OH, such as RC(=O)―, RS(O)2―, and so on). Reagents may be acid chlorides (RCOC1, RSO2C1), anhydrides ((RCO)2O), or even esters (RCOOR′); the products are amides of the corresponding acids.Name: (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In 2019,ACS Biomaterials Science & Engineering included an article by Guan, Qinghua; Li, Nan; Shi, Leilei; Yu, Chunyang; Gao, Xihui; Yang, Jiapei; Guo, Yuanyuan; Li, Peiyong; Zhu, Xinyuan. Product Details of 4048-33-3. The article was titled 《Aggregation-Induced Emission Fluorophore-Based Molecular Beacon for Differentiating Tumor and Normal Cells by Detecting the Specific and False-Positive Signals》. The information in the text is summarized as follows:

Accurate and nondestructive detection of tumor-related mRNA in living cells is of great significance for tumor diagnosis. The universal technique for imaging mRNA in living cells is nucleic-acid-based fluorescent probes. However, the majority of developed nucleic-acid-based fluorescent probes were only designed to detect the targeted mRNA but could not avoid the interference arising from nuclease or other biol. matrixes, which results in inevitable false-pos. signals. To overcome this dilemma, a new aggregation-induced emission (AIE) fluorophore and the fluorescence resonance energy transfer (FRET) principle were used to establish a novel AIE fluorophore-based mol. beacon (AIE-MB). The AIE fluorophore tetraphenylethylene-quinoxaline (TPEQ) was designed by incorporating quinoxalinone with one typical AIE active luminogen tetraphenylethene (TPE), which could acquire a wide range of excitation wavelength. On this basis, the AIE-MB was designed by labeling two fluorophores: the TPEQ acceptor and an aggregation-caused quenching (ACQ) fluorophore 7-amino-4-methylcoumarin acid (AMCA) donor. On the basis of these two fluorophores, the AIE-MB could exhibit three states: weak fluorescence at primary stage, blue fluorescence (specific signal) generated by pairing with target mRNA in tumor cells, and both blue and green fluorescence (false-pos. signal) due to the endogenous degradation in normal cells. Obviously, the specific imaging for target mRNA in tumor cells and the false-pos. signal resulting from endogenous degradation in normal cells could be accurately distinguished through the different fluorescence emission. As a result, in contrast to traditional nucleic-acid-based fluorescent probes, the AIE-MB could improve the accuracy of the tumor detection by efficiently differentiating both specific and false-pos. signals, which showed potential application value in tumor diagnosis and biomedical research. The results came from multiple reactions, including the reaction of 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

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In 2019,Polymers for Advanced Technologies included an article by Kekec, Nur Cicek; Akolpoglu, Mukrime Birgul; Bozuyuk, Ugur; Kizilel, Seda; Nugay, Nihan; Nugay, Turgut; Kennedy, Joseph P.. COA of Formula: C4H11NO. The article was titled 《Calcification resistance of polyisobutylene and polyisobutylene-based materials》. The information in the text is summarized as follows:

Calcification of implanted biomaterials is highly undesirable and limits clin. applicability. Experiments were carried out to assess the calcification resistance of polyisobutylene (PIB), PIB-based polyurethane (PIB-PU), PIB-PU reinforced with (CH3)3N+CH2CH2CH2NH2 I–modified montmorillonite (PIB-PU/nc), PIB-based polyurethane urea (PIB-PUU), PIB-PU containing S atoms (PIBS-PU), PIBS-PU reinforced with (CH3)3N+CH2CH2CH2NH2 I–modified montmorillonite (PIBS-PU/nc), and poly(isobutylene-b-styrene-b-isobutylene) (SIBS), relative to that of a clin. widely implanted polydimethylsiloxane (PDMS)-based PU, Elast-Eon (the “”control””). Samples were incubated in simulated body fluid for 28 days at 37°C, and the extent of surface calcification was analyzed by SEM (SEM), at. force microscopy (AFM), energy-dispersive X-ray spectroscopy (EDX), XPS, and Fourier-transform-IR (FT-IR) spectroscopy. Whereas the PDMS-based PU showed extensive calcification, PIB and PIB-PU containing 72.5% PIB, ie, a polyurethane whose surface is covered with PIB, were free of calcification. PIBS-PU and PIB-PUU, ie, polyurethanes that contain S or urea groups, resp., were slightly calcified. The amine-modified montmorillonite-reinforcing agent reduced the extent of calcification. SIBS was found slightly calcified. Evidently, PIB and materials fully coated with PIB are calcification resistant.4-Aminobutan-1-ol(cas: 13325-10-5COA of Formula: C4H11NO) was used in this study.

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.COA of Formula: C4H11NO

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In 2019,Journal of the Indian Chemical Society included an article by Ahmed, Atiur. Related Products of 89466-08-0. The article was titled 《One-pot synthesis of chromenes by Suzuki-Miyaura cross-coupling reactions with benzyl bromides》. The information in the text is summarized as follows:

An efficient one-pot synthesis of chromenes e.g., 6H-benzo[c]chromene has been developed from 2-bromocarbaldehydes RCHO (R = 2-bromophenyl, 2-bromo-4-methylphenyl, 2-bromonaphthalen-1-yl, etc.) through tandem benzyl bromide formation followed by Pd(O)-catalyzed Suzuki-Miyaura cross-coupling and substitution reaction. The results came from multiple reactions, including the reaction of 2-Hydroxyphenylboronic acid(cas: 89466-08-0Related Products 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. Related Products of 89466-08-0

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

In 2019,Chemistry – An Asian Journal included an article by Chulakova, Dilyara R.; Pradipta, Ambara R.; Lodochnikova, Olga A.; Kuznetsov, Danil R.; Bulygina, Kseniya S.; Smirnov, Ivan S.; Usachev, Konstantin S.; Latypova, Liliya Z.; Kurbangalieva, Almira R.; Tanaka, Katsunori. Reference of (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol. The article was titled 《Facile Access to Optically Active 2,6-Dialkyl-1,5-Diazacyclooctanes》. The information in the text is summarized as follows:

Herein, the 1,5-diazacyclooctane (1,5-DACO) bearing a chiral auxiliary obtained from the formal [4+4] cycloaddition of N-alkyl-α,β-unsaturated imines was reported. 1,5-DACO could be further derivatized by nucleophilic alkylation to give various chiral substituted 1,5-DACO derivatives I [R = Me, vinyl, Ph, etc.]. The removal of the chiral auxiliary was effectively carried out using hydrogenation over Pearlman’s catalyst. This methodol. allows the production of a broad range of unprecedented optically active 2,6-dialkyl-1,5-DACO II, which could not be accessed by other methods. In the part of experimental materials, we found many familiar compounds, such as (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol(cas: 126456-43-7Reference of (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol)

(1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol(cas: 126456-43-7) belongs to anime. Amines characteristically form salts with acids; a hydrogen ion, H+, adds to the nitrogen. With the strong mineral acids (e.g., H2SO4, HNO3, and HCl), the reaction is vigorous. Salt formation is instantly reversed by strong bases such as NaOH. Neutral electrophiles (compounds attracted to regions of negative charge) also react with amines; alkyl halides (R′X) and analogous alkylating agents are important examples of electrophilic reagents.Reference of (1S,2R)-1-Amino-2,3-dihydro-1H-inden-2-ol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts

The author of 《Molecular capture using the precipitate of creaming-down by (-)-epigallocatechin-3-O-gallate》 were Tsutsumi, Hiroyuki; Sato, Ayano; Fujino, Satoru; Fujioka, Yusuke; Ishizu, Takashi. And the article was published in Chemical & Pharmaceutical Bulletin in 2019. Recommanded Product: 3-Pyridinemethanol The author mentioned the following in the article:

An aqueous solution of equimol. amounts of 2-chloropyrimidine and (-)-epigallocatechin 3-O-gallate (EGCg) afforded a colorless block crystal, which was determined to be a 2 : 2 complex of 2-chloropyrimidine and EGCg by X-ray crystallog. anal. The 2 : 2 complex was formed by the cooperative effect of three intermol. interactions, π-π and CH-π interactions, and intermol. hydrogen bonds. Upon formation of the 2 : 2 complex, a 2-chloropyrimidine mol. was captured by a hydrophobic space formed by the three aromatic rings of A, B, and B’ rings of two EGCg mols. The mol. capture abilities of various heterocyclic compounds using EGCg were evaluated by ratio of the heterocyclic compounds included in the precipitates of complex of EGCg to the heterocyclic compounds used. The amount of the heterocyclic compounds was measured by an integrated value of corresponding proton signals in the quant. 1H-NMR spectrum. The results came from multiple reactions, including the reaction of 3-Pyridinemethanol(cas: 100-55-0Recommanded Product: 3-Pyridinemethanol)

3-Pyridinemethanol(cas: 100-55-0) belongs to pyridine. Pyridine is very deactivated towards electrophilic substitution with respect to benzene. For this reason classical formylation, using methods such as the Gattermann or Vilsmeier reactions, are not generally successful. Recommanded Product: 3-Pyridinemethanol

Referemce:
Alcohol – Wikipedia,
Alcohols – Chemistry LibreTexts