enol ether is an alkene with an alkoxy substituent. The general structure is R2C=CR-OR where R = H, alkyl or aryl. A common subfamily of enol ethers are...
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In organosilicon chemistry, silyl enol ethers are a class of organic compounds that share the common functional group R3Si−O−CR=CR2, composed of an enolate...
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electrophiles at oxygen. Silylation gives silyl enol ether. Acylation gives esters such as vinyl acetate. In general, enols are less stable than their keto equivalents...
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Ge, Sn, Pb). Such compounds are considered ethers as well. Examples of such ethers are silyl enol ethers R3Si−O−CR=CR2 (containing the Si−O−C linkage)...
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Thebaine (redirect from Codeine methyl enol ether)
Thebaine (paramorphine), also known as codeine methyl enol ether, is an opiate alkaloid, its name coming from the Greek Θῆβαι, Thēbai (Thebes), an ancient...
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Self-condensation (section Silyl enol ether formation)
occur. One way to get around this is to turn the aldehyde into a silyl enol ether using trimethylsilyl chloride and a base, such as triethylamine, and then...
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Penmesterol (redirect from Methyltestosterone 3-cyclopentyl enol ether)
enol ether, is a synthetic, orally active anabolic-androgenic steroid (AAS) that was developed in the early 1960s. It is the 3-cyclopentyl enol ether...
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Quingestrone (redirect from Progesterone cyclopentyl enol ether)
Quingestrone, also known as progesterone 3-cyclopentyl enol ether (PCPE) and sold under the brand name Enol-Luteovis, is a progestin medication which was previously...
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oxidation is a useful, high-yielding chemical reaction between silyl enol ethers and peroxyacids to give the corresponding α-hydroxy carbonyl product...
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Methyl vinyl ether is an organic compound with the chemical formula CH3OCH=CH2. A colorless gas, it is the simplest enol ether. It is used as a synthetic...
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is transformed into an enol ether by the Tebbe reagent (Cp2Ti=CH2), and then the glycosyl acceptor is tethered to the enol ether under acid-catalysed conditions...
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Ketone (section Keto-enol tautomerization)
that have at least one alpha-hydrogen, undergo keto-enol tautomerization; the tautomer is an enol. Tautomerization is catalyzed by both acids and bases...
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Ethyl vinyl ether is an organic compound with the chemical formula CH3CH2OCH=CH2. It is the simplest enol ether that is liquid at room temperature. It...
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which boasts a plethora of oxygen-bearing functional groups, including an enol ether, acetal, hemiacetal, tetra-substituted epoxide and a variety of carboxylic...
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Methyltestosterone 3-hexyl ether (brand names Androgénol, Enoltestovis, Enoltestovister), or 17α-methyltestosterone 3-hexyl enol ether, also known as 17α-methylandrost-3...
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compounds. The reaction as originally reported involved formation of a silyl enol ether followed by treatment with palladium(II) acetate and benzoquinone to yield...
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List of androgen esters (section Ethers of natural AAS)
Testopan) – 3-cyclopentyl enol ether of methyltestosterone Quinbolone (Anabolicum, Anabolvis) – 17β-cyclopentenyl enol ether of boldenone (Δ1-testosterone)...
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20β-Dihydroprogesterone Dimepregnen Diosgenin P1-185 Progesterone Progesterone 3-acetyl enol ether Quingestrone Retroprogesterone derivatives: 20α-Dihydrodydrogesterone...
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Progestogen ester (redirect from Progesterone ether)
3-cyclopentyl enol ethers of 17α-hydroxyprogesterone and 17α-hydroxyprogesterone acetate, respectively, while progesterone 3-acetyl enol ether (never marketed)...
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Progesterone 3-acetyl enol ether, also known as progesterone acetate, as well as 3-acetoxypregna-3,5-dien-20-one, is a progestin which was never marketed...
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becomes an enol ether moiety. Treatment of this product (2) with weak acid, oxalic acid for e.g., leads to the hydrolysis of the enol ether, producing...
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where alkyl = methyl, ethyl, etc. A dialkyl ether is an ether with two alkyl groups, e.g., diethyl ether O(CH2CH3)2. In medicinal chemistry, the incorporation...
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Aldol reactions (section Enol mechanism)
Carbonyl compounds, such as aldehydes and ketones, can be converted to enols or enol ethers. These species, being nucleophilic at the α-carbon, can attack especially...
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addition is an organic reaction and a type of aldol reaction between a silyl enol ether (R2C=CR−O−Si(CH3)3) and an aldehyde (R−CH=O) or formate (R−O−CH=O). The...
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intermediates in the synthesis of heterocycles. Aromatic imines react with an enol ether to a quinoline in the Povarov reaction. Imines react, thermally, with...
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17α-alkylated are orally active. Some examples include the testosterone 17-ethers cloxotestosterone, quinbolone, and silandrone,[citation needed] which are...
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Aldol reaction (section On the enol)
uses other, similar functional groups as ersatz enols. In the Mukaiyama aldol reaction, silyl enol ethers add to carbonyls in the presence of a Lewis acid...
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In organic chemistry, an epoxide is a cyclic ether, where the ether forms a three-atom ring: two atoms of carbon and one atom of oxygen. This triangular...
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äldre C4H10, ethyl, den nyare C2H6, methyl, … " (One may then give names to ether radicals; one can call the older [one] C4H10, ethyl, the newer [one] C2H6...
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20β-Dihydroprogesterone Dimepregnen Diosgenin P1-185 Progesterone Progesterone 3-acetyl enol ether Quingestrone Retroprogesterone derivatives: 20α-Dihydrodydrogesterone...
23 KB (1,906 words) - 08:25, 12 July 2024