Month: December 2022

Giant Vesicles Undergoing Alkylation Reactions Observed by Optical Microscopy was written by Jaeger, David A.;Clark, Theotis Jr.. And the article was included in Langmuir in 2002.Name: 3-(3,4-Dimethoxyphenyl)propan-1-ol This article mentions the following:

Giant vesicles (GVs) of functionalized, double-chain surfactant 1 (2-hydrazino-N-methyl-N,N-didodecyl-2-oxoethanaminium bromide) were observed by phase-contrast optical microscopy as they underwent chem. reactions with 2 (O-Me S-benzyl phenylphosphonothioate) in a pH 9.0 borate buffer at 23°. The GVs were damaged and ultimately converted into oil-like droplets. Also, GVs of 1 containing fluorescent dye 7 (1-methyl-7-hydroxyquinolinium iodide) were observed by simultaneous optical and epifluorescence microscopy as they underwent reactions with 2. The reactions effected the loss of 7 from the GVs. In the experiment, the researchers used many compounds, for example, 3-(3,4-Dimethoxyphenyl)propan-1-ol (cas: 3929-47-3Name: 3-(3,4-Dimethoxyphenyl)propan-1-ol).

3-(3,4-Dimethoxyphenyl)propan-1-ol (cas: 3929-47-3) belongs to ethers. Of all the functional groups, ethers are the least reactive ones. Ether bonds are quite stable towards bases, oxidizing agents and reducing agents. The unique properties of ethers (i.e., that they are strongly polar, with nonbonding electron pairs but no hydroxyl group) enhance the formation and use of many reagents. For example, Grignard reagents cannot form unless an ether is present to share its lone pair of electrons with the magnesium atom. Complexation of the magnesium atom stabilizes the Grignard reagent and helps to keep it in solution.Name: 3-(3,4-Dimethoxyphenyl)propan-1-ol

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

Step-wise evolution of complex chemical defenses in millipedes: a phylogenomic approach was written by Rodriguez, Juanita;Jones, Tappey H.;Sierwald, Petra;Marek, Paul E.;Shear, William A.;Brewer, Michael S.;Kocot, Kevin M.;Bond, Jason E.. And the article was included in Scientific Reports in 2018.Reference of 605-94-7 This article mentions the following:

With fossil representatives from the Silurian capable of respiring atm. oxygen, millipedes are among the oldest terrestrial animals, and likely the first to acquire diverse and complex chem. defenses against predators. Exploring the origin of complex adaptive traits is critical for understanding the evolution of Earth’s biol. complexity, and chem. defense evolution serves as an ideal study system. The classic explanation for the evolution of complexity is by gradual increase from simple to complex, passing through intermediate “stepping stone” states. Here we present the first phylogenetic-based study of the evolution of complex chem. defenses in millipedes by generating the largest genomic-based phylogenetic dataset ever assembled for the group. Our phylogenomic results demonstrate that chem. complexity shows a clear pattern of escalation through time. New pathways are added in a stepwise pattern, leading to greater chem. complexity, independently in a number of derived lineages. This complexity gradually increased through time, leading to the advent of three distantly related chem. complex evolutionary lineages, each uniquely characteristic of each of the resp. millipede groups. In the experiment, the researchers used many compounds, for example, 2,3-Dimethoxy-5-methylcyclohexa-2,5-diene-1,4-dione (cas: 605-94-7Reference of 605-94-7).

2,3-Dimethoxy-5-methylcyclohexa-2,5-diene-1,4-dione (cas: 605-94-7) belongs to ethers. Ethers are good solvents partly because they are not very reactive. Most ethers can be cleaved, however, by hydrobromic acid (HBr) to give alkyl bromides or by hydroiodic acid (HI) to give alkyl iodides. Electron-deficient reagents are also stabilized by ethers. For example, borane (BH3) is a useful reagent for making alcohols. Pure borane exists as its dimer, diborane (B2H6), a toxic gas that is inconvenient and hazardous to use. Borane forms stable complexes with ethers, however, and it is often supplied and used as its liquid complex with tetrahydrofuran (THF).Reference of 605-94-7

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

Solvent-free Lipase-Catalyzed Preparation of Long-Chain Alkyl Phenylpropanoates and Phenylpropyl Alkanoates was written by Vosmann, Klaus;Weitkamp, Petra;Weber, Nikolaus. And the article was included in Journal of Agricultural and Food Chemistry in 2006.COA of Formula: C11H16O3 This article mentions the following:

An enzymic method was developed for the preparation of medium- or long-chain alkyl 3-phenylpropenoates (alkyl cinnamates), particularly alkyl hydroxy- and methoxy-substituted cinnamates such as oleyl p-coumarate and oleyl ferulate. The various alkyl cinnamates were formed in high to moderate yield by lipase-catalyzed esterification of cinnamic acid and its analogs with fatty alcs. in vacuo at moderate temperatures in the absence of drying agents and solvents. Immobilized Candida antarctica lipase B was the most effective biocatalyst for the various esterification reactions. The relative esterification activities were of the following order: dihydrocinnamic > cinnamic > 3-methoxycinnamic > dihydrocaffeic ≈ 3-hydroxycinnamic > 4-methoxycinnamic > 2-methoxycinnamic > 4-hydroxycinnamic > ferulic ≈ 3,4-dimethoxycinnamic > 2-hydroxycinnamic acid. With respect to the position of the substituents at the Ph moiety, the esterification activity increased in the order meta > para > ortho. Rhizomucor miehei lipase demonstrated moderate esterification activity. Compounds with inverse chem. structure, i.e., 3-phenylpropyl alkanoates such as 3-(4-hydroxyphenyl)propyl oleate, were also obtained in high yield by esterification of fatty acids with the corresponding 3-phenylpropan-1-ols. In the experiment, the researchers used many compounds, for example, 3-(3,4-Dimethoxyphenyl)propan-1-ol (cas: 3929-47-3COA of Formula: C11H16O3).

3-(3,4-Dimethoxyphenyl)propan-1-ol (cas: 3929-47-3) belongs to ethers. Relative to alcohols, ethers are generally less dense, are less soluble in water, and have lower boiling points. They are relatively unreactive. The unique properties of ethers (i.e., that they are strongly polar, with nonbonding electron pairs but no hydroxyl group) enhance the formation and use of many reagents. For example, Grignard reagents cannot form unless an ether is present to share its lone pair of electrons with the magnesium atom. Complexation of the magnesium atom stabilizes the Grignard reagent and helps to keep it in solution.COA of Formula: C11H16O3

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

Miscibility and hydrogen bonding in blends of poly(ethylene oxide) and kraft lignin was written by Kadla, John F.;Kubo, Satoshi. And the article was included in Macromolecules in 2003.Reference of 3929-47-3 This article mentions the following:

In this study we have prepared poly(ethylene oxide)-lignin blends using thermal mixing. Miscible blends were observed over the entire blend ratio. A m.p. depression, comparable to results obtained from phenoxy/PEO blends, and a neg. deviation of the glass temperature (T_g) from the weight-average values was observed The effect of the binary interaction parameter, χ, on T_g was analyzed. Satisfactory prediction of the T_g-composition curve was obtained, in which specific intermol. interactions exist. FT-IR analyses revealed a strong hydrogen bond between the aromatic hydroxyl proton and the ether oxygen in PEO. In the experiment, the researchers used many compounds, for example, 3-(3,4-Dimethoxyphenyl)propan-1-ol (cas: 3929-47-3Reference of 3929-47-3).

3-(3,4-Dimethoxyphenyl)propan-1-ol (cas: 3929-47-3) belongs to ethers. Relative to alcohols, ethers are generally less dense, are less soluble in water, and have lower boiling points. They are relatively unreactive, and as a result they are useful as solvents for fats, oils, waxes, perfumes, resins, dyes, gums, and hydrocarbons. Vapours of certain ethers are used as insecticides, miticides, and fumigants for soil. At room temperature, ethers are pleasant-smelling colourless liquids. Relative to alcohols, ethers are generally less dense, are less soluble in water, and have lower boiling points. They are relatively unreactive, and as a result they are useful as solvents for fats, oils, waxes, perfumes, resins, dyes, gums, and hydrocarbons. Vapours of certain ethers are used as insecticides, miticides, and fumigants for soil.Reference of 3929-47-3

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

Rhodium-Catalyzed Asymmetric Synthesis of Silicon-Stereogenic Dibenzosiloles by Enantioselective [2+2+2] Cycloaddition was written by Shintani, Ryo;Takagi, Chihiro;Ito, Tomoaki;Naito, Masanobu;Nozaki, Kyoko. And the article was included in Angewandte Chemie, International Edition in 2015.Synthetic Route of C6H10O2 This article mentions the following:

A rhodium-catalyzed asym. synthesis of silicon-stereogenic dibenzosiloles has been developed through a [2+2+2] cycloaddition of silicon-containing prochiral triynes with internal alkynes. High yields and enantioselectivities have been achieved by employing an axially chiral monophosphine ligand, and the present catalysis is also applicable to the asym. synthesis of a germanium-stereogenic dibenzogermole. Preliminary studies on the optical properties of these compounds are also described. In the experiment, the researchers used many compounds, for example, 1,4-Dimethoxy-2-butyne (cas: 16356-02-8Synthetic Route of C6H10O2).

1,4-Dimethoxy-2-butyne (cas: 16356-02-8) belongs to ethers. Relative to alcohols, ethers are generally less dense, are less soluble in water, and have lower boiling points. They are relatively unreactive, and as a result they are useful as solvents for fats, oils, waxes, perfumes, resins, dyes, gums, and hydrocarbons. Vapours of certain ethers are used as insecticides, miticides, and fumigants for soil. Ethers feature bent C–O–C linkages. In dimethyl ether, the bond angle is 111° and C–O distances are 141 pm. The barrier to rotation about the C–O bonds is low. The bonding of oxygen in ethers, alcohols, and water is similar. In the language of valence bond theory, the hybridization at oxygen is sp3.Synthetic Route of C6H10O2

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

Thermal and photocatalytic cascade one-pot synthesis of secondary amine using multifunctional Pd decorated MOF-derived CeO₂ was written by More, Ganesh Sunil;Kushwaha, Nidhi;Bal, Rajaram;Srivastava, Rajendra. And the article was included in Journal of Colloid and Interface Science in 2022.Related Products of 105-13-5 This article mentions the following:

Pd decorated MOF-derived CeO₂ was prepared for the cascade one-pot synthesis of secondary amine by thermal and photocatalytic routes. Among the designed catalysts, Pd(0.5%)/CeO₂-300 exhibited the best activity for thermal and photocatalytic one-pot secondary amine synthesis involving benzyl alc. and aniline. The physicochem. characteristics of Pd(0.5%)/CeO₂-300 suited for the oxidation of benzyl alc. followed by condensation with aniline to form an imine. Further, reduction of imine over Pd NPs decorated on CeO₂-300 took place to form secondary amine. An excellent conversion of benzyl alc. and secondary amine selectivity was observed thermally at 100°C in 26 h. The Pd(0.5%)/CeO₂-300 exhibited excellent activity in white LED. Interestingly, more activity was achieved in sunlight. The Pd(0.5%)/CeO₂-300 demonstrated excellent stability under thermal and photocatalytic conditions and was recycled 5 times without losing any significant activity. The surface area, acidity, and elemental compositions were characterized by various physicochem. techniques. The light absorption property, bandgap, charge carrier separation, and photocurrent measurements were carried out by photoelectrochem. and optoelectronic anal. The reaction mechanism and structural activity relationship correlated with control experiments, catalytic activity data, physicochem., and optoelectronic characterization. One catalyst affording efficient activity in conventional thermal and photocatalytic conditions, especially sunlight, would be exciting to researchers and industrial practitioners. In the experiment, the researchers used many compounds, for example, (4-Methoxyphenyl)methanol (cas: 105-13-5Related Products of 105-13-5).

(4-Methoxyphenyl)methanol (cas: 105-13-5) belongs to ethers. Ether is less polar than esters, alcohols or amines because of the oxygen atom that is unable to participate in hydrogen bonding due to the presence of bulky alkyl groups on both sides of the oxygen atom. But ether is more polar than alkenes. At room temperature, ethers are pleasant-smelling colourless liquids. Relative to alcohols, ethers are generally less dense, are less soluble in water, and have lower boiling points. They are relatively unreactive, and as a result they are useful as solvents for fats, oils, waxes, perfumes, resins, dyes, gums, and hydrocarbons. Vapours of certain ethers are used as insecticides, miticides, and fumigants for soil.Related Products of 105-13-5

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

Selective Ether/Ester C-O Cleavage of an Acetylated Lignin Model via Tandem Catalysis was written by Lohr, Tracy L.;Li, Zhi;Marks, Tobin J.. And the article was included in ACS Catalysis in 2015.Synthetic Route of C11H16O3 This article mentions the following:

Selective ether/ester C-O bond hydrogenolysis of an acetylated lignin model is achieved using a thermodynamically leveraged tandem catalytic strategy. Acetylation serves to (1) solubilize both lignin and lignin models and to (2) modify the reactivity of pendant hydroxy groups to promote more selective C-O cleavage. In the experiment, the researchers used many compounds, for example, 3-(3,4-Dimethoxyphenyl)propan-1-ol (cas: 3929-47-3Synthetic Route of C11H16O3).

3-(3,4-Dimethoxyphenyl)propan-1-ol (cas: 3929-47-3) belongs to ethers. Relative to alcohols, ethers are generally less dense, are less soluble in water, and have lower boiling points. They are relatively unreactive, and as a result they are useful as solvents for fats, oils, waxes, perfumes, resins, dyes, gums, and hydrocarbons. Vapours of certain ethers are used as insecticides, miticides, and fumigants for soil. At room temperature, ethers are pleasant-smelling colourless liquids. Relative to alcohols, ethers are generally less dense, are less soluble in water, and have lower boiling points. They are relatively unreactive, and as a result they are useful as solvents for fats, oils, waxes, perfumes, resins, dyes, gums, and hydrocarbons. Vapours of certain ethers are used as insecticides, miticides, and fumigants for soil.Synthetic Route of C11H16O3

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

Separation and identification of cinnamic acids by TLC was written by Bobbio, Florinda O.;Bobbio, Paulo A.;De Souza, Sandra C.. And the article was included in Journal of Chemical Education in 1987.Electric Literature of C11H12O4 This article mentions the following:

The Et₂O solutions of several cinnamic acids were spotted on silica gel plates, and the developed plates were sprayed with a 2% FeCl₃ solution acidified with 2N HCl for colorimetric detection. The R_f values of the acids with eluents consisting of different mixtures of toluene-HOAc-EtOH are given. In the experiment, the researchers used many compounds, for example, 3-(2,4-Dimethoxyphenyl)acrylic acid (cas: 6972-61-8Electric Literature of C11H12O4).

3-(2,4-Dimethoxyphenyl)acrylic acid (cas: 6972-61-8) belongs to ethers. Of all the functional groups, ethers are the least reactive ones. Ether bonds are quite stable towards bases, oxidizing agents and reducing agents. At room temperature, ethers are pleasant-smelling colourless liquids. Relative to alcohols, ethers are generally less dense, are less soluble in water, and have lower boiling points. They are relatively unreactive, and as a result they are useful as solvents for fats, oils, waxes, perfumes, resins, dyes, gums, and hydrocarbons. Vapours of certain ethers are used as insecticides, miticides, and fumigants for soil.Electric Literature of C11H12O4

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

Synthesis, structure, and photophysical/chiroptical properties of benzopicene-based π-conjugated molecules was written by Murayama, Koichi;Shibata, Yu;Sugiyama, Haruki;Uekusa, Hidehiro;Tanaka, Ken. And the article was included in Journal of Organic Chemistry in 2017.HPLC of Formula: 16356-02-8 This article mentions the following:

The convenient synthesis of substituted benzopicenes and azabenzopicenes I (X = C, N; R¹, R² = H, CO₂Et, alkyl, CH₂CH) has been achieved by the cationic rhodium(I)/H₈-BINAP or BINAP complex-catalyzed [2+2+2] cycloaddition of 1,1′-dialkynyl-2,2′-binaphthalene under mild conditions. This method was applied to the synthesis of benzopicene-based long ladder (II, R³ = C₁₂H₂₅) and helical (III, R⁴ = Ph, Bu; Y₂ = O, 9-fluorenylidene) mols. The x-ray crystal structure anal. revealed that the benzopicene-based helical mol. is highly distorted and the average distance of overlapped rings is markedly shorter than that in the triphenylene-based helical mol. Photophys. and chiroptical properties of these benzopicene and azabenzopicene derivatives have also been examined With respect to photophys. properties, substituted benzopicenes and azabenzopicenes showed red shifts of absorption and emission maxima compared with the corresponding triphenylenes and azatriphenylenes. With respect to chiroptical properties, the CPL spectra of the benzopicene-based helical mol. showed two opposite peaks, and thus the value of the CPL was smaller than that of the triphenylene-based helical mol. presumably due to the presence of two chiral fluorophores. In the experiment, the researchers used many compounds, for example, 1,4-Dimethoxy-2-butyne (cas: 16356-02-8HPLC of Formula: 16356-02-8).

1,4-Dimethoxy-2-butyne (cas: 16356-02-8) belongs to ethers. Relative to alcohols, ethers are generally less dense, are less soluble in water, and have lower boiling points. They are relatively unreactive. Ethyl ether is an excellent solvent for extractions and for a wide variety of chemical reactions. It is also used as a volatile starting fluid for diesel engines and gasoline engines in cold weather. Dimethyl ether is used as a spray propellant and refrigerant. Methyl t-butyl ether (MTBE) is a gasoline additive that boosts the octane number and reduces the amount of nitrogen-oxide pollutants in the exhaust. The ethers of ethylene glycol are used as solvents and plasticizers.HPLC of Formula: 16356-02-8

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

Organocatalytic dynamic kinetic resolution of N-arylindole lactams: Atroposelective construction of axially chiral amino acids bearing a C-N chiral axis was written by Hong, Xianfang;Guo, Jingcheng;Liu, Jinhua;Cao, Wei;Wei, Chenlong;Zhang, Ye;Zhang, Xiaoxiang;Fu, Zhenqian. And the article was included in Science China: Chemistry in 2022.SDS of cas: 105-13-5 This article mentions the following:

Organocatalytic dynamic kinetic resolution of configurationally labile cyclic mols. represents one of the most efficient methods for the atroposelective construction of axially chiral mols. bearing a tetra-ortho-substituted chiral axis. Notably, this privileged strategy is limited to constructing a C-C chiral axis. Herin, organocatalytic dynamic kinetic resolution of configurationally labile N-arylindole lactams has been successfully achieved for the first time, allowing for access to a structurally diverse set of axially chiral N-arylindole amino esters with a tetra-ortho-substituted C-N chiral axis in excellent yields and atroposelectivities. In addition to the N-arylindole skeleton, N-aryl thieno[3,2-b]pyrrole, furo[3,2-b]pyrrole, and pyrrolo[2,3-b]pyridine skeletons are also compatible with this transformation. This transition-metal-free facile strategy features a broad substrate scope, mild reaction conditions, easy scale-up and excellent atom economy. Several potentially valuable mols., such as axially chiral peptides, were efficiently generated from the resulting configurationally stable axially-chiral N-arylindole amino esters, demonstrating the power of this strategy. In the experiment, the researchers used many compounds, for example, (4-Methoxyphenyl)methanol (cas: 105-13-5SDS of cas: 105-13-5).

(4-Methoxyphenyl)methanol (cas: 105-13-5) belongs to ethers. Ethers are good solvents partly because they are not very reactive. Most ethers can be cleaved, however, by hydrobromic acid (HBr) to give alkyl bromides or by hydroiodic acid (HI) to give alkyl iodides. At room temperature, ethers are pleasant-smelling colourless liquids. Relative to alcohols, ethers are generally less dense, are less soluble in water, and have lower boiling points. They are relatively unreactive, and as a result they are useful as solvents for fats, oils, waxes, perfumes, resins, dyes, gums, and hydrocarbons. Vapours of certain ethers are used as insecticides, miticides, and fumigants for soil.SDS of cas: 105-13-5

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