Aldehydes

trans-Cinnamaldehyde is used in the flavor and perfume industry. It is also used in medicine. It reacts with glutathione to get an adduct 1'-(glutathion-S-yl)-dihydrocinnamaldehyde. It is used to prepare cinnamylidene-bisacetamide by reacting with acetamide. Further, it inhibits xanthine oxidase. This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

Dibenzo[b,d]thiophene-4-carbaldehyde is an immunosorbent that binds to hydrocarbons and other aromatic compounds. It is used as a functional derivative in enzyme-linked immunosorbent assay (ELISA), which is used to measure the amount of antibodies or antigens in a sample. Dibenzo[b,d]thiophene-4-carbaldehyde has been shown to be sensitive and efficient for the detection of hydrocarbons. This compound also inhibits the activity of enzymes by binding to their active site, leading to inhibition assays that are used in industrial processes.

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The 2,3-Dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde is a yellow crystalline compound with an approximate melting point of 232°C. This material has a shift of about 11.2 nanometers and a transition temperature of -1°C. The optical properties are correlated with the electron correlations and the structure of the chalcone. The chloride ion is responsible for the magnetic transition temperatures in this compound. The spectrum ranges from UV to IR, which can be seen by its potentials at different temperatures.

Pyridine-3-carboxaldehyde is a heterocyclic compound that is structurally related to nicotinic acid and picolinic acid. It has been shown to have anti-tumor activity, with hl-60 cells as the model system. Pyridine-3-carboxaldehyde has also been shown to be toxic to bacteria in biological studies. The chemical stability of this compound was studied by Langmuir adsorption isotherm and electrochemical impedance spectroscopy. It was found that pyridine-3-carboxaldehyde is stable at a pH range of 7 to 8 and at temperatures up to 60 degrees Celsius.

4-(N,N-Diethylamino)salicylaldehyde is a coumarin derivative that has been shown to be a fluorescent probe for proton transfer. It emits light at around 400 nm when the probe is excited by light of wavelength greater than 300 nm. The emission spectrum changes from green to red as the pH increases. 4-(N,N-Diethylamino)salicylaldehyde also exhibits fluorescence enhancement in the presence of metal ions such as Fe3+, Cu2+, or Cr3+. This compound can be used as a fluorescent probe for hydrogen bonding interactions and metal hydroxides.

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3-Nitrobenzaldehyde dimethyl acetal is a reagent that is used in organic synthesis. It is a white solid that can be dissolved in polar solvents such as ethanol, acetone and water. This compound has been shown to be useful in the preparation of pharmaceuticals and other chemicals. 3-Nitrobenzaldehyde dimethyl acetal has been shown to react with amines, alcohols, carboxylic acids and phenols to produce various compounds. It also reacts with nitric acid to form an explosive compound called nitrophenol.

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6-Methoxynicotinaldehyde is a reactive compound that is found in the form of an oil. It has been shown to have cellular and biological properties, as well as anticancer activity. 6-Methoxynicotinaldehyde has been shown to induce apoptosis in cancer cells by activating the mitochondrial pathway and inhibiting the PI3K/Akt pathway. It also induces oxidative stress, leading to cell death. The antioxidant effects of this compound may be due to its ability to scavenge free radicals such as hydroxyl radicals, superoxide radicals, and hydrogen peroxide. 6-Methoxynicotinaldehyde has also been shown to inhibit the proliferation of lung fibroblasts and human cancer cells. This compound is not active against normal cells, but does show some toxicity against glioblastoma cells.

Doebner-Miller reaction the 4- nitrocinnamaldehyde and 2-methylaniline in concentrated HC1 give the corresponding 8-methyl-2-phenylquinoline (3: R = 4'-N02) directly. The asymmetric Friedel-Crafts-type alkylation in aqueous media reaction of 4-Nitrocinnamaldehydr with N-methyl indole using trifluoroacetic acid (TFA) salt of the PEG-PS-supported prolyl peptide having the polyleucine tether as a catalyst. 4-Nitrocinnamaldehyde has been used in the preparation of 2, 2?-[(E)-3-(4-nitrophenyl) prop-2-ene-1,1-diyl] bis(3-hydroxy-5, 5-dimethylcyclohex-2-en-1-one). This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.

4-Hydroxynonenal (4-HNE) is an aldehyde that is formed as a byproduct of lipid peroxidation. It can be detected electrochemically and has been shown to be present in human tissues. 4-HNE has been identified as an oxidative adduct of proteins and nucleic acids, which may contribute to the development of haematological malignancies and neurodegenerative diseases such as Alzheimer's disease. 4-HNE also stimulates cholinergic neurons, leading to increased acetylcholine release from these cells.

3,5-Dimethyl-1-phenyl-1H-pyrazole-4-carbaldehyde (DMPD) is an antibacterial agent that belongs to the group of synthetic pyrazoles. It is synthesized by reacting a 1,3,5-trimethylpyrazole with formaldehyde and chloroform in the presence of ammonium chloride or sodium bicarbonate. DMPD has been shown to have good antibacterial activity against gram-negative bacteria and can be used for the treatment of infections caused by these bacteria. The mechanism of action involves the formation of a covalent bond between the pyrazole ring and DNA, which prevents DNA replication.

8-(Benzyloxy)quinoline-2-carbaldehyde is a fluorescent probe that can be used in the study of proteins that are located in the endoplasmic reticulum. It has high specificity and fluorescence, which makes it an ideal tool for detecting proteins that are not present in sufficient quantities. 8-(Benzyloxy)quinoline-2-carbaldehyde binds to the protein through its quinoline derivative and then emits a fluorescent signal when excited with light. This probe is useful for studying the localization of proteins and determining whether they are present in sufficient quantities.

7-Benzyloxindole-3-carboxaldehyde (BXA) is an assembled molecule that can be synthesized in a scalable and catalytic manner. BXA is an unwanted product that arises from the reaction of 7-benzyloxyindole with adrenaline. The hydrogenolysis of BXA yields the enantiomeric 7-benzyloxyindole, which has been shown to possess anti-inflammatory properties. When debenzylated by hydrogenolysis, crystallization of the byproduct is observed.

6-Methyl-1H-indole-3-carbaldehyde is a synthetic chemical that has been used as a reagent in the form of its sodium salt. It is an acetylating agent and can be used for formylation reactions. 6-Methyl-1H-indole-3-carbaldehyde has shown strong antifungal activity against phytopathogenic fungi such as Fusarium, Rhizoctonia, and Phytophthora. This chemical also has a triazine group, which can be used to enhance the herbicidal properties of certain compounds.

Ac-Leu-Val-Phe-aldehyde is a synthetic compound that inhibits the catalytic activity of carboxyl enzymes. It binds to the catalytic site of the enzyme via a noncovalent interaction with residues on the polypeptide chain, thereby preventing the formation of an active complex with other cofactors such as metal ions, amino acids, and ATP. Ac-Leu-Val-Phe-aldehyde can be used in analytical chemistry for determination of carboxyl groups in organic compounds or for determining protein content in biological samples. Ac-Leu-Val-Phe-aldehyde has also been shown to bind to antibodies which are specific for carboxyl groups.

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3,4-Dihydroxy-5-nitrobenzaldehyde is a chemical substance that is used in an analytical method to measure the level of methoxy groups in chronic kidney disease. The methanol solvent and hydrochloric acid are used to dissolve the sample, which is then titrated with trifluoroacetic acid. The chloride ion reacts with the methylene group from the 3,4-dihydroxy-5-nitrobenzaldehyde molecule to form a new compound that can be detected by ultraviolet light at 254 nm. The active methylene group is quantified by measuring its absorbance at this wavelength and comparing it with a calibration curve using known concentrations of sodium salts. This test has been shown to be more sensitive than other chromatographic methods for detecting methoxy groups in chronic kidney disease.

6-Fluoroveratraldehyde is a chiral compound that is synthesized from 6-fluoroacetophenone. This synthesis provides an efficient method for the preparation of polyphenols with the desired stereochemistry. The nitro group can be introduced by reaction with sodium nitrite in acid solution and then reacted with an amine to form the corresponding amide. The use of halogens as alkylating agents provides an easy way to introduce different functional groups, such as chloro, bromo, or iodo. 6-Fluoroveratraldehyde has been shown to protect against ischemia-reperfusion injury by activating nuclear factor κB (NFκB) and inhibiting protein kinase C (PKC).

4-Fluoro-2-methoxybenzaldehyde (4FMBA) is a potential PET radioligand that binds to the serotonin 5-HT2A receptor. 4FMBA has been shown to be an efficient and selective 5-HT2A antagonist with low molecular weight and high affinity. The binding of 4FMBA to the serotonin 5-HT2A receptor can be inhibited by ketanserin, which is a nonselective 5-HT2A antagonist. This drug may be used for cancer diagnosis, as it has a low detection limit and can detect endogenous serotonin in the brain. It also shows anti-depressant properties, which may be due to its ability to bind to the orthosteric site of the serotonin 5-HT2A receptor.

Naphthalene 1,4-dicarboxaldehyde is a low energy focusing molecule that is used in macrocyclic compounds. It can be oxidized to form naphthalene 1,4-diacid and naphthalene 1,4-diketone. This compound has been used to synthesize the triarylmethane dye viologen by Wittig reaction. Naphthalene 1,4-dicarboxaldehyde has also been shown to have fluorescence properties and can be useful for chemiluminescence. Naphthalene 1,4-dicarboxaldehyde reacts with sulfide or amine groups to form sulfides or amines respectively.

4-[2-(5-Methyl-2-phenyloxazol-4-yl)ethoxy]benzaldehyde is a hypolipemic agent that acts as an agonist at the peroxisome proliferator-activated receptor α (PPARα). It has been shown to be effective in lowering blood glucose levels in animal models of type 2 diabetes. This compound binds to PPARα, which is expressed in the liver and adipose tissue. 4-[2-(5-Methyl-2-phenyloxazol-4-yl)ethoxy]benzaldehyde has been shown to have hypoglycemic effects by increasing the expression of genes that are involved in lipid metabolism and glucose uptake. The mechanism of action for this compound is not completely understood but it may be related to its formyl group, which could act as a substrate for cyclization reactions.

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3-Carboxybenzaldehyde is a hydroxy aromatic compound with a molecular formula of C8H6O2. It is a synthetic chemical that can be used as an intermediate in the synthesis of other compounds, such as polycarboxylic acids. 3-Carboxybenzaldehyde has been shown to be an effective substrate for binding to polycarboxylic acid enzymes and activating them. This reaction generates the corresponding carboxylate product and releases CO2. 3-Carboxybenzaldehyde has also been used as a reactant in asymmetric synthesis reactions and shown to have some structural similarities with benzene ring structures.

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