A dienone is a class of organic compounds with the general formula (R2C=CR)2C=O, where R is any substituent, but often H. They are formally "derived from...

The dienone–phenol rearrangement is a reaction in organic chemistry first reported in 1921 by Karl von Auwers and Karl Ziegler. A common example of dienone–phenol...

3,4,4,5-tetramethylcyclohexa-2,5-dienone. Although it is a dienone and thus has the necessary structure for a dienone–phenol rearrangement, the methyl...

In organic chemistry, phenols, sometimes called phenolics, are a class of chemical compounds consisting of one or more hydroxyl groups (−O H) bonded directly...

entirely in the enol form. 4, 4' Substituted cyclohexadienone can undergo a dienone–phenol rearrangement in acid conditions and form stable 3,4‐disubstituted...

CH3C(O)CH2C(O)CF3 CH3C(O)CH=C(OH)CF3 32 Hexafluoroacetylacetone CF3C(O)CH2C(O)CF3 CF3C(O)CH=C(OH)CF3 ~104 Cyclohexa-2,4-dienone Phenol C6H5OH >1012...

compound with the formula (C6H5C)4C4C=O. It is classified as a cyclic dienone. It is a dark purple to black crystalline solid that is soluble in organic...

("hexachlorophenol"). Hydrolysis of the dichloromethylene group in this dienone gives chloranil: C6H5OH + 6 Cl2 → C6Cl6O + 6 HCl C6Cl6O + H2O → C6Cl4O2...

particular reaction the trapping reagent is 2,3,4,5-tetraphenylcyclopenta-2,4-dienone and one of the final products (after expulsion of carbon monoxide) is a...

C. 1951 Journal of the American Chemical Society 73 (3): 990–991. The dienone–phenol rearrangement doi:10.1021/ja01147a029 Sandoval A; Miramontes L;...

which resembles a pagoda. Penguinone 3,4,4,5-tetramethylcyclohexa-2,5-dienone; a two-dimensional representation of its structure resembles a penguin...

University of Heidelberg, University of Berlin Known for Auwers synthesis Dienone–phenol rearrangement Scientific career Institutions University of Göttingen...

intermediate subsequently undergoes a 1,2-hydride NIH shift, yielding a dienone intermediate that then tautomerizes to form the tyrosine product. The pterin...

case at hand, heating acetate (1) with chloranil gives the conjugated dienone (2), and reaction of that compound with methylmagnesium bromide in the...

(−263 °C). It dimerizes readily upon thawing the matrix at 38 K (−235 °C). Dienone Ogliaruso, Michael A.; Romanelli, Michael G.; Becker, Ernest I. (1965)...

c). The first step of this synthesis is the generation of a conjugated dienone 112 from 111 in 4 steps. This is followed by the addition of a benzyl vinyl...

(1a) 2 2-aminophenol + O2 ⇌ 2 6-iminocyclohexa-2,4-dienone + 2 H2O (1b) 2 6-iminocyclohexa-2,4-dienone + acceptor ⇌ 2-aminophenoxazin-3-one + reduced acceptor...

2020. S. Gali, C. Miravitlles and M. Font-Altaba "Hexachlorocyclohexa-2,5-dienone" Acta Crystallogr. 1975, volume B31, p. 2510-2512. doi:10.1107/S0567740875007935...

(2007). "A Novel Reaction of the "Huisgen Zwitterion" with Chalcones and Dienones: An Efficient Strategy for the Synthesis of Pyrazoline and Pyrazolopyridazine...

101787. PMC 6366974. PMID 30694217. Bazzaro M, Linder S (November 2020). "Dienone Compounds: Targets and Pharmacological Responses". Journal of Medicinal...

proaporphines orientalinone (8) and orientalinol (9) via the known intramolecular dienone-dienol-phenol sequence for the transformation of benzyltetrahydroisoquinolines...

1975). "Photocatalyzed reaction of trifluoromethyl iodide with steroidal dienones". The Journal of Organic Chemistry. 40 (6): 672–675. doi:10.1021/jo00894a002...

Diels–Alder reaction Diels–Reese reaction Dienol–benzene rearrangement Dienone–phenol rearrangement Dimroth rearrangement Di-π-methane rearrangement Directed...

Award, the Karl Ziegler Prize [de] (worth 50,000 euros)[citation needed] Dienone–phenol rearrangement List of Nobel laureates in Chemistry Nobel Lectures...

organozinc addition reaction conditions the other functionality of the dienone and the alkyne are tolerated: The formation of the zinc acetylide proceeds...

accounts for the observed biological effects. The cyclopropyl group in the dienone is highly reactive as an electrophile, not only because it is conjugated...

intermediate, which is followed by β-decarbopalladation to form dienals and dienones. Since then, this field has bloomed, and a lot of similar reactions were...

John; Zaidi, Javid Hussain (1985). "Synthesis of a 4-acylcyclohexa-2,5-dienone: 3,4-dihydro-3,3,8a-trimethyl-naphthalene-1,6(2H,8aH)-dione". Journal of...

organocatalyst and a spontaneous 6π-electrocyclic ring closure of the resultant cis-dienone 18 to (+)-harziphilone (19) in 70% overall yield. Scheme 3. Organocatalytic...

cyclohexadienone rearrangement. To provide further evidence on the mechanism of the dienone in which there is bonding between the two double bonds, the case of 4...