Results 101 to 110 of about 1,271 (129)

Sphaeropsidone and episphaeropsidone, phytotoxic dimedone methyl ethers produced by Sphaeropsis sapinea f. sp. cupressi grown in liquid culture

open access: yes, 1998
Two phytotoxic dimedone methyl ethers, named sphaeropsidone and episphaeropsidone, were isolated from Sphaeropsis sapinea f sp. cupressi, a phytopathogenic fungus causing a canker disease of Italian cypress (Cupressus sempervirens L.).
L. Sparapano   +5 more
core   +1 more source

One-Pot and Efficient Synthesis of Triazolo[1,2-a]indazole-triones via Reaction of Arylaldehydes with Urazole and Dimedone Catalyzed by Silica Nanoparticles Prepared from Rice Husk

open access: yes, 2011
A novel synthesis of triazolo[1,2-a]indazole-1,3,8-trione derivatives by reaction of urazole, dimedone and aromatic aldehydes under conventional heating and microwave irradiation and solvent-free conditions using silica nanoparticles prepared from rice ...
Hooshang Hamidian   +3 more
core   +1 more source

Glyceraldehyde 3-Phosphate Dehydrogenase is Unlikely to Mediate Hydrogen Peroxide Signaling: Studies with a Novel Anti-Dimedone Sulfenic Acid Antibody

open access: yes, 2011
Protein sulfenic acids (SOHs) are the principal oxidation products formed when redox active proteins interact with peroxide molecules. We have developed a new antibody reagent that detects protein SOHs derivatized with dimedone.
Schroeder, Ewald   +5 more
core   +1 more source

Selective Reduction of Dimedone

open access: yes
The selective hydrogenation of dimedone (1) to the corresponding monoketone 2 over palladium and Amberlyst 15 ® is reported. The product is a synthetic building block for the fragrance and pharmaceutical industry.
Ulla Létinois, Werner Bonrath
core  

Condensation Reactions of Dimedone with Aromatic Aldehydes in Ionic Solutions

open access: yes, 2006
Bakalaura darbā pētīta 5,5-dimetil-1,3-cikoheksāndiona (dimedona) un dažādu aldehīdu kondensācijas jonu šķidrumos. Apskatītas jonu šķidrumu īpašības un to izmantošanas iespējas augšminētajā kondensācijas reakcijās.
Kamerāde, Kristīne
core  

Sphaeropsidones, phytotoxic dimedone methyl ethers produced by Diplodia cupressi: a structure-activity relationship study.

open access: yes, 2011
Sphaeropsidone and episphaeropsidone are two phytotoxic dimedone methyl ethers produced by Diplodia cupressi, the causal agent of a canker disease of cypress in the Mediterranean area.
Scanu B.   +12 more
core   +1 more source

Conformers of Cysteine and Cysteine Sulfenic Acid and Mechanisms of the Reaction of Cysteine Sulfenic Acid with 5,5-Dimethyl-1,3-cyclohexanedione (Dimedone)

open access: yes, 2016
Equilibrium and molecular structures, relative energies of conformers of gaseous cysteine (Cys, C, Cys-SH) and gaseous cysteine sulfenic acid (Cys-SOH), and the mechanisms of the reaction of Cys-SOH with 3-hydroxy-5,5-dimethyl-2-cyclohexen-1-one, the ...
Joseph Yonghun Lee (1868290)   +4 more
core   +1 more source

The dimedone as building block in acridinedionic and carboxamidic systems synthesis. preliminar study of several acridinediones as laser dyes.

open access: yes, 2008
Las 1,8-acridindionas son heterocíclicos nitrogenados, oxo derivados de la acridina. Estas moléculas son consideradas por la comunidad científica como dianas interesantes, ya que además de presentar reconocidas propiedades biológicas, poseen ...
Martínez Gómez, Sugey Maryuri
core   +1 more source

Regiospecific ring closure reactions of 1, 3-diphenylthiobarbituric acid and dimedone: Formation of spiro vs fused heterocycles

open access: yes, 2014
384-391The one pot reaction of 1, 3-diphenylthiobarbituric acid with benzylidene acetophenone, benzaldehyde and ammonium acetate in presence of catalytic amount of acetic acid furnishes regiospecifically an azaspiro compound. The azaspiro compound has
Pati, Anita   +4 more
core  

Two new abnormal by-products of attempted Fischer-type bis-indolisation of cyclohexane-1,3-dione and dimedone

open access: yes, 1999
387-389An attempt to bring about the bis-indolisation of cyclohexane- 1,3-dione and dimedone separately by treatment with phenylhydrazine (two equiv.) in dry benzene in the presence of stoichiometric amounts (two equiv.) of phospho-rous trichloride ...
Patra, Amarendra   +2 more
core  

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