Author: Jessica.F

Herdman, Christine A.; Devkota, Laxman; Lin, Chen-Ming; Niu, Haichan; Strecker, Tracy E.; Lopez, Ramona; Liu, Li; George, Clinton S.; Tanpure, Rajendra P.; Hamel, Ernest; Chaplin, David J.; Mason, Ralph P.; Trawick, Mary Lynn; Pinney, Kevin G. published their research in Bioorganic & Medicinal Chemistry on December 15 ,2015. The article was titled 《Structural interrogation of benzosuberene-based inhibitors of tubulin polymerization》.Related Products of 33797-34-1 The article contains the following contents:

The discovery of 3-methoxy-9-(3′,4′,5′-trimethoxyphenyl)-6,7-dihydro-5H-benzo[7]annulen-4-ol (a benzosuberene-based analog referred to as KGP18) was originally inspired by the natural products colchicine and combretastatin A-4 (CA4). The relative structural simplicity and ease of synthesis of KGP18, coupled with its potent biol. activity as an inhibitor of tubulin polymerization and its cytotoxicity (in vitro) against human cancer cell lines, has resulted in studies focused on new analog design and synthesis. The goal was to probe the relationship of structure to function in this class of anticancer agents. A series of twenty-two new benzosuberene-based analogs of KGP18 was designed and synthesized. These compounds vary in their methoxylation pattern and sep. incorporate trifluoromethyl groups around the pendant aryl ring for the evaluation of the effect of functional group modifications on the fused six-membered aromatic ring. In addition, the 8,9-saturated congener of KGP18 has been synthesized to assess the necessity of unsaturation at the carbon atom bearing the pendant aryl ring. Six of the mols. from this benzosuberene-series of compounds were active (IC50 < 5 μM) as inhibitors of tubulin polymerization while four analogs were comparable (IC50 approx. 1 μM) in their tubulin inhibitory activity to CA4 and KGP18. The potency of a bis-trifluoromethyl analog I and the unsaturated KGP18 derivative II as inhibitors of tubulin assembly along with their moderate cytotoxicity suggested the potential utility of these compounds as vascular disrupting agents (VDAs) to selectively target microvessels feeding tumors. Accordingly, water-soluble and DMSO-soluble phosphate prodrug salts of each were synthesized for preliminary in vivo studies to assess their potential efficacy as VDAs. In the part of experimental materials, we found many familiar compounds, such as (3-Methoxy-2-methylphenyl)methanol(cas: 33797-34-1Related Products of 33797-34-1)

(3-Methoxy-2-methylphenyl)methanol(cas: 33797-34-1) belongs to ethers.Ethers do have nonbonding electron pairs on their oxygen atoms, and they can form hydrogen bonds with other molecules (alcohols, amines, etc.) that have O―H or N―H bonds. Related Products of 33797-34-1 The ability to form hydrogen bonds with other compounds makes ethers particularly good solvents for a wide variety of organic compounds and a surprisingly large number of inorganic compounds.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

In 2014,Angewandte Chemie, International Edition included an article by Wang, Fengyan; Liu, Zhang; Wang, Bing; Feng, Liheng; Liu, Libing; Lv, Fengting; Wang, Yilin; Wang, Shu. Safety of 1,4-Diethynyl-2,5-dimethoxybenzene. The article was titled 《Multi-Colored Fibers by Self-Assembly of DNA, Histone Proteins, and Cationic Conjugated Polymers》. The information in the text is summarized as follows:

The development of biomol. fiber materials with imaging ability has become more and more useful for biol. applications. Cationic conjugated polymers (CCPs) were used to construct inherent fluorescent microfibers with natural biol. macromols. (DNA and histone proteins) through the interfacial polyelectrolyte complexation (IPC) procedure. Isothermal titration microcalorimetry results show that the driving forces for fiber formation are electrostatic and hydrophobic interactions, as well as the release of counterions and bound water mols. Color-encoded IPC fibers were also obtained based on the co-assembly of DNA, histone proteins, and blue-, green-, or red- (RGB-) emissive CCPs by tuning the fluorescence resonance energy-transfer among the CCPs at a single excitation wavelength. The fibers could encapsulate GFP-coded Escherichia coli BL21, and the expression of GFP proteins was successfully regulated by the external environment of the fibers. These multi-colored fibers show a great potential in biomedical applications, such as biosensor, delivery, and release of biol. mols. and tissue engineering. The experimental process involved the reaction of 1,4-Diethynyl-2,5-dimethoxybenzene(cas: 74029-40-6Safety of 1,4-Diethynyl-2,5-dimethoxybenzene)

1,4-Diethynyl-2,5-dimethoxybenzene(cas: 74029-40-6) belongs to ethers.Ethers do have nonbonding electron pairs on their oxygen atoms, and they can form hydrogen bonds with other molecules (alcohols, amines, etc.) that have O―H or N―H bonds. The ability to form hydrogen bonds with other compounds makes ethers particularly good solvents for a wide variety of organic compounds and a surprisingly large number of inorganic compounds.Safety of 1,4-Diethynyl-2,5-dimethoxybenzene

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

In 2019,Angewandte Chemie, International Edition included an article by Pitts, Cody Ross; Bornemann, Dustin; Liebing, Phil; Santschi, Nico; Togni, Antonio. Quality Control of 1,2-Diphenyldisulfane. The article was titled 《Making the SF5 Group More Accessible: A Gas-Reagent-Free Approach to Aryl Tetrafluoro-λ6-sulfanyl Chlorides》. The information in the text is summarized as follows:

A series of aryl tetrafluoro-λ6-sulfanyl chlorides R-X [R = Ph, 4-BzOC6H4, 5-Br-2-pyridyl, 5-Br-2-pyrimidinyl, etc.; X = SF4Cl] was synthesized via trifluoroacetic acid catalyzed gas-reagent-free oxidative polyfluorination of aryl disulfides. This approach overcame the reliance on hazardous fluorinating reagents and/or gas reagents (e.g. Cl2) by employing easy-to-handle trichloroisocyanuric acid, potassium fluoride and catalytic amounts of acid. Furthermore, the same approach provided an access to compounds R-X [X = SF3, SF5, SeF3] which extended the applications of this chem. beyond arene SF5-functionalization and demonstrated its ability to address a more general oxidative fluorination problem. In the experiment, the researchers used many compounds, for example, 1,2-Diphenyldisulfane(cas: 882-33-7Quality Control of 1,2-Diphenyldisulfane)

1,2-Diphenyldisulfane(cas: 882-33-7) belongs to ethers.The C-O bonds that comprise simple ethers are strong. Quality Control of 1,2-Diphenyldisulfane They are unreactive toward all but the strongest bases. Although generally of low chemical reactivity, they are more reactive than alkanes.

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

In 2019,European Journal of Organic Chemistry included an article by Elinson, Michail N.; Vereshchagin, Anatoly N.; Anisina, Yuliya E.; Fakhrutdinov, Artem N.; Goloveshkin, Alexander S.; Egorov, Mikhail P.. Application of 673-22-3. The article was titled 《Pot-, Atom- and Step-Economic (PASE) Multicomponent Approach to the 5-(Dialkylphosphonate)-Substituted 2,4-Diamino-5H-chromeno[2,3-b]pyridine Scaffold》. The information in the text is summarized as follows:

A new multicomponent reaction is reported: the one-pot transformation of salicylaldehydes, 2-aminoprop-1-ene-1,1,3-tricarbonitrile (malononitrile dimer), and trialkylphosphites results in the efficient formation of (2,4-diamino-3-cyano-5H-chromeno[2,3-b]pyridin-5-yl)phosphonates. The scope of this one-pot reaction was investigated. The isolation of substituted phosphonates is very easy. The optimized reaction conditions and a mechanistic rationale for the complex multicomponent transformation are presented. This facile PASE approach offers a powerful tool for the selective formation of new types of functionalized 5-P-substituted 2,4-diamino-5H-chromeno[2,3-b]pyridine scaffolds containing the phosphonate fragment, which are promising compounds for various biomedical applications, among them the treatment of human inflammatory diseases and cancer therapy. After reading the article, we found that the author used 2-Hydroxy-4-methoxybenzaldehyde(cas: 673-22-3Application of 673-22-3)

2-Hydroxy-4-methoxybenzaldehyde(cas: 673-22-3) is employed in the synthesis of Schiff base ligand. It is applied as a reactant in the synthesis of LPA1R antagonists used in the inhibition of LPA-induced proliferation and contraction of normal human lung fibroblasts. Also used in the synthesis of tyrosine kinase 6 proteinase inhibitors.Application of 673-22-3

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

《Chalcogen Bonding of SO2 and s-Block Metal Iodides Near Room Temperature: A Remarkable Structural Diversity》 was published in European Journal of Inorganic Chemistry in 2020. These research results belong to Dankert, Fabian; Feyh, Anne; von Haenisch, Carsten. Electric Literature of C10H20O5 The article mentions the following:

In this contribution the authors have systematically explored the coordination chem. of the iodide anion towards SO2. While employing large organocations like s-block metal complexes of crown-ethers, the authors discovered a remarkable structural diversity within the herein characterized compounds together with novel architectures of SO2 solvates. The observed O2S···I- interactions are strong enough to determine the crystal packing and dimensionality. In the light of chalcogen bonding, the small mol. SO2 is introduced as a supramol. synthon. In the light of a chem. in non-aqueous solutions, the ISO2- anion is revisited. Chalcogen bonding was established to form one-dimensional networks in the compounds [Li([12]crown-4)H2O]I·SO2 (1), [Na([15]crown-5)(SO2)I] (2), [K([18]crown-6)(SO2)I] (4), [NH4([18]crown-6)]I·SO2 (5), [Rb([18]crown-6)I(SO2)]·2SO2 (6) and [Cs([18]crown-6)(SO2)2I] (7) all of which were obtained by 1:1 complexation of the resp. iodide salt and resp. crown-ether in SO2 solution Two-dimensional networks were obtained within the alk. earth metal compounds [Mg([12]crown-4)2]I2·4SO2 (9) and [Ba2([18]crown-6)2(SO2I)(SO2)2I3]·SO2 (11). The iodosulfite ion ISO2- was obtained either by shielding Na+ ions with [12]crown-4, conversion of MgI2 with [15]crown-5, conversion of CaI2 with [18]crown-6 or conversion of BaI2 with [18]crown-6 (11, as aforementioned). [Na([12]crown-4)2]ISO2 (3), [Mg([15]crown-5)(ISO2)2] (8) and [Ca2([18]crown-6)(SO2I)3]I3 (10) were characterized. In these resp. compounds the S···I atom distances are considerably shorter than those previously reported. Exptl. data around the chem. of halosulfites is provided. Besides network structures and the iodosulfite formation, an SO2-rich aggregate could be observed An SO2 adduct of the composition [I2(SO2)5]2- is present in [Na([12]crown-4)2]I·2.75SO2 (3a). After reading the article, we found that the author used 1,4,7,10,13-Pentaoxacyclopentadecane(cas: 33100-27-5Electric Literature of C10H20O5)

1,4,7,10,13-Pentaoxacyclopentadecane(cas: 33100-27-5) is a member of crown ether Ligands. Crown-ethers are macrocyclic polyethers capable of forming host-guest complexes, especially with inorganic and organic cations. Crown-ethers can incorporate protonated primary amine compounds by formation of ion-dipole bonds with the oxygen atoms of the chiral selector. Crown-ethers have been widely used for the separation of several pharmaceuticals both in aqueous and non-aqueous media. Electric Literature of C10H20O5

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

《General Asymmetric Synthetic Strategy for the α-Alkylated 2,5,6-Trisubstituted Pyran of Indanomycin and Related Natural Products》 was published in European Journal of Organic Chemistry in 2020. These research results belong to Padma, Ravishetty; Srinivas, Beduru; Yadav, Jhillu S.; Mohapatra, Debendra K.. Application In Synthesis of 2-(Benzyloxy)acetaldehyde The article mentions the following:

A general synthetic strategy for convergent asym. synthesis of C1-C10 fragment I of tetraene-containing natural product indanomycin was achieved starting from 2-(benzyloxy)acetaldehyde which in turn was obtained from very inexpensive material cis-1,4-butene-diol. Key steps include Evans’ aldol reaction, HWE olefination, iodine-catalyzed tandem isomerization followed by C-O and C-C bond formation similar to our earlier report in constructing the trans-2,6-disubstituted dihydropyran ring and Evans’ asym. alkylation. In addition to this study using 2-(Benzyloxy)acetaldehyde, there are many other studies that have used 2-(Benzyloxy)acetaldehyde(cas: 60656-87-3Application In Synthesis of 2-(Benzyloxy)acetaldehyde) was used in this study.

2-(Benzyloxy)acetaldehyde(cas: 60656-87-3) may be used in the following syntheses: (3S,5S)-methyl 6-benzyloxy-3,5-dihydroxyhexanoate ,(S)-5-benzyloxy-4-hydroxypentan-2-one, myxothiazols.Application In Synthesis of 2-(Benzyloxy)acetaldehyde

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

《Structural investigation of perfluorocarboxylic acid derivatives formed in the reaction with N,N-dimethylformamide dialkylacetals》 was written by Strozynska, Monika; Gross, Juergen H.; Schuhen, Katrin. Safety of N,N-Dimethylformamide Dimethyl Acetal And the article was included in European Journal of Mass Spectrometry in 2020. The article conveys some information:

A structural investigation of perfluorocarboxylic acid derivatives formed in the reaction with N,N-dimethylformamide dialkylacetals employing several techniques of mass spectrometry (MS) is described. Two derivatizing reagents, DMF di-Me acetal (DMF-DMA) and DMF diethylacetal (DMF-DEA) were used. In contrast to carboxylic acids, perfluorocarboxylic acids are not able to form alkyl esters as the main product in this reaction. We found that perfluorooctanoic acid (PFOA) forms a salt with N,N-dimethylformamide dialkylacetals. This salt undergoes a further reaction inside the injection block of a gas chromatograph (GC) by loss of CO2 and then forms 1,1-perfluorooctane-(N,N,N,N-tetramethyl)-diamine. The GC-MS experiments using both electron ionization (EI) and pos.-ion chem. ionization (PCI) revealed that the same reaction products are formed with either derivatizing reagent. Subjecting the perfluorocarboxylic acid derivative to electrospray ionization (ESI) and direct anal. in real time (DART), both pos.- and neg.-ion modes indicated that cluster ions are formed. In the pos.-ion mode, this cluster ion consists of two iminium cations and one PFOA anion, while in the neg.-ion mode, it comprises two PFOA anions and one cation. The salt structure was further confirmed by liquid injection field desorption/ionization (LIFDI) as well as IR spectroscopy. We propose a simple mechanism of N,N,N’,N’-tetramethylformamidinium cation formation. The structure elucidation is supported by specific fragment ions as obtained by GC-EI-MS and GC-PCI-MS anal.N,N-Dimethylformamide Dimethyl Acetal(cas: 4637-24-5Safety of N,N-Dimethylformamide Dimethyl Acetal) was used in this study.

N,N-Dimethylformamide Dimethyl Acetal(cas: 4637-24-5) belongs to anime. Large quantities of aliphatic amines are made synthetically. The most widely used industrial method is the reaction of alcohols with ammonia at a high temperature, catalyzed by metals or metal oxide catalysts (e.g., nickel or copper). Mixtures of primary, secondary, and tertiary amines are thereby produced.Safety of N,N-Dimethylformamide Dimethyl Acetal

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Sagane, Fumihiro; Ogi, Kenta; Konno, Akinori; Kanamura, Kiyoshi published an article in 2021. The article was titled 《The effect of the coordination ability on the Mg plating/stripping behavior in Mg(N(CF3SO2)2)2/glyme based electrolytes》, and you may find the article in Journal of the Electrochemical Society.Application of 33100-27-5 The information in the text is summarized as follows:

The effect of the coordination ability of the solvent species on the Mg plating/stripping behavior was investigated. The Mg plating reaction in Mg(N(CF3SO2)2)2/diglyme was inhibited by the equimolar of 15-crown-5 ether (15C5) to Mg2+-ion. On the other hand, Mg plating took place in the solution by reducing the amount of 15C5 less than that of Mg2+-ion. FT-IR spectra showed that 15C5 preferentially solvated Mg2+-ion in the glyme based solutions The theor. calculation indicated the interaction between Mg2+-ion and each O atom in 15C5 was stronger than that with diglyme or larger sized crown ether. The results showed that the coordination ability of the solvent species could be the critical for the Mg plating reaction. The experimental process involved the reaction of 1,4,7,10,13-Pentaoxacyclopentadecane(cas: 33100-27-5Application of 33100-27-5)

1,4,7,10,13-Pentaoxacyclopentadecane(cas: 33100-27-5) is a member of crown ether Ligands. Crown-ethers are macrocyclic polyethers capable of forming host-guest complexes, especially with inorganic and organic cations. Crown-ethers can incorporate protonated primary amine compounds by formation of ion-dipole bonds with the oxygen atoms of the chiral selector. Crown-ethers have been widely used for the separation of several pharmaceuticals both in aqueous and non-aqueous media. Application of 33100-27-5

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

In 2022,Mohammed, Ehtesham U. R.; Porter, Zoe J.; Jennings, Ian G.; Al-Rawi, Jasim M. A.; Thompson, Philip E.; Angove, Michael J. published an article in Bioorganic & Medicinal Chemistry. The title of the article was 《Synthesis and biological evaluation of 4H-benzo[e][1,3]oxazin-4-ones analogues of TGX-221 as inhibitors of PI3Kβ》.Quality Control of m-Methoxyphenol The author mentioned the following in the article:

A novel series of TGX-221 analogs was prepared that include isosteric replacement of the 4H-pyrido[1,2-a]pyrimidin-4-one with a 4H-benzo[e][1,3]oxazin-4-one I (R = Ph, 3,5-F2C6H3, 3-ClC6H4, etc.; X = O, NH) scaffold. The compounds that included an -CH(CH3)NH- type linker showed comparable activity to TGX-221 analogs with the isosterism supported by the comparative SAR anal. The analogs containing an -CH(CH3)O- linker were less active but still showed useful SAR including a favored o-Me substitution. The experimental part of the paper was very detailed, including the reaction process of m-Methoxyphenol(cas: 150-19-6Quality Control of m-Methoxyphenol)

m-Methoxyphenol(cas: 150-19-6) may be used in synthesis of:C(4) symmetric calix[4]resorcinarene, 2-nitroso-5-methoxyphenol, 6-methoxy-2(3H)-benzoxazoloneQuality Control of m-Methoxyphenol

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem

Related Products of 60656-87-3In 2021 ,《Copper(I)-Catalyzed Asymmetric Conjugate 1,6-, 1,8-, and 1,10-Borylation》 appeared in Angewandte Chemie, International Edition. The author of the article were Shi, Chang-Yun; Eun, Jungmin; Newhouse, Timothy R.; Yin, Liang. The article conveys some information:

Catalytic asym. remote conjugate borylation is challenging as the control of regioselectivity is not trivial, the electrophilicity of remote sites is extenuated, and the remote asym. induction away from the carbonyl group is difficult. Herein, catalytic asym. conjugate 1,6-, 1,8- and 1,10-borylation was developed with excellent regioselectivity, which delivered α-chiral boronates in moderate to high yields with high enantioselectivity. The produced chiral boronate smoothly underwent oxidation, cross-coupling, and one-carbon homologation to give synthetically versatile chiral compounds in moderate yields with excellent stereoretention. Furthermore, a stereomechanistic anal. was conducted using DFT calculations, which provides insights into the origins of the regioselectivity. Finally, the present 1,6-borylation was successfully applied in an efficient one-pot asym. synthesis of (-)-7,8-dihydrokavain. In the experiment, the researchers used 2-(Benzyloxy)acetaldehyde(cas: 60656-87-3Related Products of 60656-87-3)

2-(Benzyloxy)acetaldehyde(cas: 60656-87-3) is a non-natural aldehyde. It undergoes enantioselective Mukaiyama aldol reaction with silylketene acetal nucleophiles in the presence of C2-symmetric bis(oxazolinyl)pyridine Cu(II) complex (catalyst).Related Products of 60656-87-3

Referemce:
Ether – Wikipedia,
Ether | (C2H5)2O – PubChem