|
Tenual
Tenual is a natural product derived from ''Asphodeline tenuior''. It is a 3-benzoxepin derivative with methoxy, methyl, hydroxymethyl The hydroxymethyl group is the name for a substituent with the structural formula −CH2−OH. It consists of a methylene bridge (−CH2− unit) bonded to a hydroxyl group (−OH). This makes the hydroxymethyl group an alcohol. It has the identic ..., and carbaldehyde side chains. References {{Reflist Benzoxepines Hydroxymethyl compounds Methoxy compounds Aromatic aldehydes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Asphodeline Tenuior
''Asphodeline tenuior'', the thin asphodeline, is a species of plant in the family Asphodelaceae, subfamily Asphodeloideae.Stevens, P.F. (2001 onwards)"Asphodeloideae" ''Angiosperm Phylogeny Website''. Retrieved 2016-06-10. It is native to the Caucasus (southern Russia, Georgia, Armenia, Azerbaijan), as well as from eastern Turkey and northwestern Iran. Within Russia, it is known from eastern Krasnodar Krai, Karachay-Cherkessia, Stavropol Krai and western Kabardino-Balkaria. It can be found on stony slopes and scree on limestone and sandstone, from elevations of 500–1,000 m. It is threatened by habitat loss and degradation, due to lime pits, slope terracing and cattle pasturing. ;Subspecies and varieties # ''Asphodeline tenuior'' var. ''puberulenta'' Tuzlaci - eastern Turkey # ''Asphodeline tenuior'' subsp. ''tenuiflora'' (K.Koch) Tuzlaci - Turkey, Iran, south Caucasus # ''Asphodeline tenuior'' subsp. ''tenuior'' - north and south Caucasus Tenual and tenucarb are two nat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Methoxy
In organic chemistry, a methoxy group is the functional group consisting of a methyl group bound to oxygen. This alkoxy group has the formula . On a benzene ring, the Hammett equation classifies a methoxy substituent at the ''para'' position as an electron-donating group, but as an electron-withdrawing group if at the ''meta'' position. At the ''ortho'' position, steric effects are likely to cause a significant alteration in the Hammett equation prediction which otherwise follows the same trend as that of the ''para'' position. Occurrence The simplest of methoxy compounds are methanol and dimethyl ether. Other methoxy ethers include anisole and vanillin. Many alkoxides contain methoxy groups, e.g. tetramethyl orthosilicate and titanium methoxide. Such compounds are often classified as methoxides. Esters with a methoxy group can be referred to as methyl esters, and the —COOCH3 substituent is called a methoxycarbonyl. Biosynthesis In nature, methoxy groups are found on nucleosi ... [...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 gives an elect ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydroxymethyl
The hydroxymethyl group is the name for a substituent with the structural formula −CH2−OH. It consists of a methylene bridge (−CH2− unit) bonded to a hydroxyl group (−OH). This makes the hydroxymethyl group an alcohol. It has the identical chemical formula with the methoxy group (−O−CH3) that differs only in the attachment site and orientation to the rest of the molecule. However, their chemical properties are different. Hydroxymethyl is the side chain of encoded amino acid serine Serine (symbol Ser or S) is an α-amino acid that is used in the biosynthesis of proteins. It contains an α-amino group (which is in the protonated − form under biological conditions), a carboxyl group (which is in the deprotonated − form un .... References External links Functional groups {{Organic-compound-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Hydroxymethyl Compounds
The hydroxymethyl group is the name for a substituent with the structural formula −CH2−OH. It consists of a methylene bridge (−CH2− unit) bonded to a hydroxyl group (−OH). This makes the hydroxymethyl group an alcohol. It has the identical chemical formula with the methoxy group (−O−CH3) that differs only in the attachment site and orientation to the rest of the molecule. However, their chemical properties are different. Hydroxymethyl is the side chain In organic chemistry and biochemistry, a side chain is a chemical group that is attached to a core part of the molecule called the "main chain" or backbone. The side chain is a hydrocarbon branching element of a molecule that is attached to a ... of encoded amino acid serine. References External links Functional groups {{Organic-compound-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Methoxy Compounds
In organic chemistry, a methoxy group is the functional group consisting of a methyl group bound to oxygen. This alkoxy group has the formula . On a benzene ring, the Hammett equation classifies a methoxy substituent at the ''para'' position as an electron-donating group, but as an electron-withdrawing group if at the ''meta'' position. At the ''ortho'' position, steric effects are likely to cause a significant alteration in the Hammett equation prediction which otherwise follows the same trend as that of the ''para'' position. Occurrence The simplest of methoxy compounds are methanol and dimethyl ether. Other methoxy ethers include anisole and vanillin. Many alkoxides contain methoxy groups, e.g. tetramethyl orthosilicate and titanium methoxide. Such compounds are often classified as methoxides. Esters with a methoxy group can be referred to as methyl esters, and the —COOCH3 substituent is called a methoxycarbonyl. Biosynthesis In nature, methoxy groups are found on nucleosi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
