In organic chemistry, dihydropyran refers to two heterocyclic compounds with the formula C5H8O: 3,4-Dihydro-2H-pyran 3,6-dihydro-2H-pyran In IUPAC names...

3,4-Dihydropyran (DHP) is a heterocyclic compound with the formula C5H8O. The six-membered C5O ring has the unsaturation adjacent to oxygen. The isomeric...

2-Tetrahydropyranyl (THP-) ethers derived from the reaction of alcohols and 3,4-dihydropyran are commonly used as protecting groups in organic synthesis. Furthermore...

presence of air. 4H-pyran easily disproportionates to the corresponding dihydropyran and the pyrylium ion, which is easily hydrolyzed in aqueous medium. Although...

Dihydrokavain is one of the six major kavalactones found in the kava plant. It appears to contribute significantly to the anxiolytic effects of kava, based...

used as a specialty solvent and synthetic intermediate, e.g. to 3,4-dihydropyran. It is prepared by hydrogenation of furfural. It is a precursor to 1...

rearrangement, is an organic synthesis in which a furan is converted to a dihydropyran. In the original publication by the Polish chemist Osman Achmatowicz...

which undergoes ring expansion upon dehydration to give dihydropyran. Dihydropyran reacts with ammonia in a reductive amination under ring opening...

formula C5H8O (molar mass: 84.12 g/mol) may refer to: Cyclopentanone 2,3-Dihydropyran trans-2-Methyl-2-butenal 2-Methylbut-3-yn-2-ol 3-Penten-2-one This set...

hydrolyzed to the diacid. Alternatively hydrolysis, followed by oxidation of dihydropyran gives glutaric acid. It can also be prepared from reacting 1,3-dibromopropane...

[citation needed] In the Achmatowicz reaction, furans are converted to dihydropyran compounds. Pyrrole can be prepared industrially by treating furan with...

the formula ROCH=CH2. Important enol ethers include the reagent 3,4-dihydropyran and the monomers methyl vinyl ether and ethyl vinyl ether. Akin to enamines...

Catechin possesses two benzene rings (called the A and B rings) and a dihydropyran heterocycle (the C ring) with a hydroxyl group on carbon 3. The A ring...

EtOCH(OR)CH3 This alcohol protection reaction is akin to the behavior of dihydropyran. Ethyl vinyl ether also participates in inverse demand [4+2] cycloaddition...

Zanamivir is a medication used to treat and prevent influenza caused by influenza A and influenza B viruses. It is a neuraminidase inhibitor and was developed...

as the Achmatowicz rearrangement, furfuryl alcohol is converted to a dihydropyran. The primary use of furfuryl alcohol is as a monomer for the synthesis...

Sodium dehydroacetate is a compound with the formula Na(CH3C5HO(O2)(CH3)CO). It is the sodium salt of dehydroacetic acid. It is used as a preservative...

Phenol can act as an ene component, for example in the reaction with dihydropyran, but high temperatures are required (150–170 °C); nevertheless, strained...

Friedel-Crafts catalyst: Nafion-H increases reaction rates of protection via dihydropyran or o-trialkylsilation of alcohols, phenol, and carboxylic acids. Nafion...

name (6S)-5,6-dihydro-6-methyl-2H-pyran-2-one Other names 2-methyl-2,3-dihydropyran-6-one, 2-Hexen-5-olide, 5-hydroxy-2-Hexenoic acid δ-lactone, parasorbic...

Carbonyl groups, for example, can successfully react with dienes to yield dihydropyran rings, a reaction known as the oxo-Diels–Alder reaction, and imines can...

heating Diethyl ether organic compound; a common laboratory solvent Dihydropyran a heterocyclic compound; used as a protecting group for alcohols in organic...

ring which results in the formation of a furan, dihydrofuran, pyran, dihydropyran or methylenedioxy group—whether or not further substituted on the benzene...

Sharpless conditions with AD-mix-α to yield (R)-diol. Later, a resulting dihydropyran was reacted under Upjohn conditions to yield the resulting sugar, mannose...

reaction in which a suitable diene reacts with an aldehyde to form a dihydropyran ring. This reaction is of some importance to synthetic organic chemistry...

Iron(III)-promoted cyclization to form a bicyclic dihydropyran 4. Selective opening of the oxazoline portion of the dihydropyran intermediate 4 with water or timethylsilyl...

2C-B-BUTTERFLY (2C-B-MOTH, 2C-B-BFLY) is a conformationally-restricted derivative of the phenethylamine hallucinogen 2C-B, which was discovered in 1999...

Buddhist scripture Diffie–Hellman problem, a problem in cryptography Dihydropyran, a chemical used in organic synthesis Dihydropyridine, a chemical used...

heterodiene adds electron-rich alkenes in Diels-Alder reactions to give dihydropyrans, the methyl group undergoes further condensation with benzaldehyde to...

Massoia lactone is an alkyl lactone derived from the bark of the Massoia tree (Cryptocaria massoia) which is found in Papua, Indonesia though the compound...