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Methyl Anisate
Methyl anisate is the methyl ester of ''p''-anisic acid. It is found in star anise. It is an organic compound commonly used within the food industry. It is also commonly employed as a fragrance for certain perfumes. This compound can be synthesized directly through the condensation of methanol Methanol (also called methyl alcohol and wood spirit, amongst other names) is an organic chemical and the simplest aliphatic alcohol, with the formula C H3 O H (a methyl group linked to a hydroxyl group, often abbreviated as MeOH). It is a ... and 4-methoxybenzoic acid. Its characteristic odor is similar to that of feijoa tree fruits, a flowery odor. References Methyl esters Benzoate esters {{ester-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Methyl
In organic chemistry, a methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms, having chemical formula . In formulas, the group is often abbreviated as Me. This hydrocarbon group occurs in many organic compounds. It is a very stable group in most molecules. While the methyl group is usually part of a larger molecule, bounded to the rest of the molecule by a single covalent bond (), it can be found on its own in any of three forms: methanide anion (), methylium cation () or methyl radical (). The anion has eight valence electrons, the radical seven and the cation six. All three forms are highly reactive and rarely observed. Methyl cation, anion, and radical Methyl cation The methylium cation () exists in the gas phase, but is otherwise not encountered. Some compounds are considered to be sources of the cation, and this simplification is used pervasively in organic chemistry. For example, protonation of methanol g ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ester
In chemistry, an ester is a compound derived from an oxoacid (organic or inorganic) in which at least one hydroxyl group () is replaced by an alkoxy group (), as in the substitution reaction of a carboxylic acid and an alcohol. Glycerides are fatty acid esters of glycerol; they are important in biology, being one of the main classes of lipids and comprising the bulk of animal fats and vegetable oils. Esters typically have a pleasant smell; those of low molecular weight are commonly used as fragrances and are found in essential oils and pheromones. They perform as high-grade solvents for a broad array of plastics, plasticizers, resins, and lacquers, and are one of the largest classes of synthetic lubricants on the commercial market. Polyesters are important plastics, with monomers linked by ester moieties. Phosphoesters form the backbone of DNA molecules. Nitrate esters, such as nitroglycerin, are known for their explosive properties. '' Nomenclature E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
P-Anisic Acid
''p''-Anisic acid, also known as 4-methoxybenzoic acid or draconic acid, is one of the isomers of anisic acid. The term "anisic acid" often refers to this form specifically. It is a white crystalline solid which is insoluble in water, highly soluble in alcohols and soluble in ether, and ethyl acetate. Synthesis and occurrence ''p''-Anisic acid is found naturally in anise. It is generally obtained by the oxidation of anethole or p-methoxyacetophenone. Uses ''p''-Anisic acid has antiseptic An antiseptic (from Greek ἀντί ''anti'', "against" and σηπτικός ''sēptikos'', "putrefactive") is an antimicrobial substance or compound that is applied to living tissue/skin to reduce the possibility of infection, sepsis, or putre ... properties. It is also used as an intermediate in the preparation of more complex organic compounds. References {{DEFAULTSORT:Anisic acid, p- Benzoic acids O-methylated natural phenols ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Star Anise
''Illicium verum'' is a medium-sized evergreen tree native to northeast Vietnam and southwest China. A spice commonly called star anise, staranise, star anise seed, star aniseed, star of anise, Chinese star anise, or badian that closely resembles anise in flavor is obtained from the star-shaped pericarps of the fruit of ''I. verum'' which are harvested just before ripening. Star anise oil is a highly fragrant oil used in cooking, perfumery, soaps, toothpastes, mouthwashes, and skin creams. Until 2012, when they switched to using a bacterial source, Roche Pharmaceuticals used up to 90% of the world's annual star anise crop to produce shikimic acid, a chemical intermediate used in the synthesis of oseltamivir (Tamiflu). Etymology and nomenclature ''Illicium'' comes from the Latin ''illicio'' meaning "entice" or "seduce".Gledhill, David (2008). "The Names of Plants". Cambridge University Press. (hardback), (paperback). pp 210, 400 ''Verum'' means "true" or "genuine". The name ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Condensation Reaction
In organic chemistry, a condensation reaction is a type of chemical reaction in which two molecules are combined to form a single molecule, usually with the loss of a small molecule such as water. If water is lost, the reaction is also known as a dehydration synthesis. However other molecules can also be lost, such as ammonia, ethanol, acetic acid and hydrogen sulfide. The addition of the two molecules typically proceeds in a step-wise fashion to the addition product, usually in equilibrium, and with loss of a water molecule (hence the name condensation). The reaction may otherwise involve the functional groups of the molecule, and is a versatile class of reactions that can occur in acidic or basic conditions or in the presence of a catalyst. This class of reactions is a vital part of life as it is essential to the formation of peptide bonds between amino acids and to the biosynthesis of fatty acids. Many variations of condensation reactions exist. Common examples include the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Methanol
Methanol (also called methyl alcohol and wood spirit, amongst other names) is an organic chemical and the simplest aliphatic alcohol, with the formula C H3 O H (a methyl group linked to a hydroxyl group, often abbreviated as MeOH). It is a light, volatile, colourless, flammable liquid with a distinctive alcoholic odour similar to that of ethanol (potable alcohol). A polar solvent, methanol acquired the name wood alcohol because it was once produced chiefly by the destructive distillation of wood. Today, methanol is mainly produced industrially by hydrogenation of carbon monoxide. Methanol consists of a methyl group linked to a polar hydroxyl group. With more than 20 million tons produced annually, it is used as a precursor to other commodity chemicals, including formaldehyde, acetic acid, methyl tert-butyl ether, methyl benzoate, anisole, peroxyacids, as well as a host of more specialised chemicals. Occurrence Small amounts of methanol are present in normal, h ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
4-methoxybenzoic Acid
''p''-Anisic acid, also known as 4-methoxybenzoic acid or draconic acid, is one of the isomers of anisic acid. The term "anisic acid" often refers to this form specifically. It is a white crystalline solid which is insoluble in water, highly soluble in alcohols and soluble in ether, and ethyl acetate. Synthesis and occurrence ''p''-Anisic acid is found naturally in anise. It is generally obtained by the oxidation of anethole or p-methoxyacetophenone Acetanisole is an aromatic chemical compound with an aroma described as sweet, fruity, nutty, and similar to vanilla. In addition Acetanisole can sometimes smell like butter or caramel. Acetanisole is found naturally in castoreum, the glandula .... Uses ''p''-Anisic acid has antiseptic properties. It is also used as an intermediate in the preparation of more complex organic compounds. References {{DEFAULTSORT:Anisic acid, p- Benzoic acids O-methylated natural phenols ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Feijoa Tree
''Feijoa sellowiana'' is a species of flowering plant in the myrtle family, Myrtaceae. It is native to the highlands of southern Brazil, eastern Paraguay, Uruguay, northern Argentina, and Colombia. It is widely cultivated as an ornamental tree and for its fruit. Common names include feijoa (, , or ), pineapple guava and guavasteen, although it is not a true guava. It is an evergreen shrub or small tree, in height. Etymology ''Feijoa sellowiana'' Berg is from the genus which the German botanist, Ernst Berger, named after João da Silva Feijó, a Portuguese naturalist, and the specific name honors Friedrich Sellow, a German who first collected specimens of feijoa in southern Brazil. It has been nicknamed "pineapple guava", "Brazilian guava", "fig guava" or "guavasteen" among different countries. Fruit The fruit, known as feijoa, matures in autumn and is green, ellipsoid, and about the size of a chicken egg. It has a sweet, aromatic flavour, which tastes like pineapple, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Methyl Esters
In organic chemistry, a methyl group is an alkyl derived from methane, containing one carbon atom bonded to three hydrogen atoms, having chemical formula . In formulas, the group is often abbreviated as Me. This hydrocarbon group occurs in many organic compounds. It is a very stable group in most molecules. While the methyl group is usually part of a larger molecule, bounded to the rest of the molecule by a single covalent bond (), it can be found on its own in any of three forms: methanide anion (), methylium cation () or methyl radical (). The anion has eight valence electrons, the radical seven and the cation six. All three forms are highly reactive and rarely observed. Methyl cation, anion, and radical Methyl cation The methylium cation () exists in the gas phase, but is otherwise not encountered. Some compounds are considered to be sources of the cation, and this simplification is used pervasively in organic chemistry. For example, protonation of methanol gives an ele ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
