55991-69-0

Upstream product

• 55558-77-5 4-(4-methoxyphenyl)-2,4-dioxobutanoic acid 
• 4732-69-8 Chloro-oxo-acetic acid 
• 55991-65-6 [1-(4-methoxyphenyl)vinyloxy]trimethylsilane 
• 79-37-8 oxalyl dichloride 

Downstream Products

• 66248-03-1 6-(4-methoxy-phenyl)-2,3-diphenyl-2,3-dihydro-[1,3]oxazin-4-one 
• 64393-77-7 2-[2-(4-methoxy-phenyl)-2-oxo-ethylidene]-4H-benzo[1,4]thiazin-3-one 
• 130421-43-1 4-(4-Methoxy-phenyl)-2,4-dioxo-N-thiazol-2-yl-butyramide 
• 130421-38-4 4-(4-Methoxy-phenyl)-2,4-dioxo-N-pyridin-2-yl-butyramide 
• 130421-47-5 4-(4-Methoxy-phenyl)-2,4-dioxo-N-pyrimidin-2-yl-butyramide 
• 78344-69-1 ethyl 2-diazo-5-(4-methoxyphenyl)-3,5-dioxopentanoate 
• 120678-86-6 6-p-methoxyphenyl-2-(2-benzimidazolylamino)-1,3-oxazin-4-one 
• 113722-00-2 3-(4-Methoxy-phenyl)-3-oxo-propionic acid 2-hydroxy-phenyl ester 
• 124928-30-9 Benzoic acid N'-[(Z)-2-hydroxy-4-(4-methoxy-phenyl)-4-oxo-but-2-enoyl]-hydrazide 
• 81384-96-5 3-(4-Methoxy-phenyl)-3-oxo-thiopropionic acid S-phenyl ester 
• 93795-23-4 6-(4-Methoxy-phenyl)-2-phenoxy-[1,3]oxazin-4-one 
• 139266-52-7 5-(4-Methoxy-phenyl)-2-[2-(4-nitro-phenyl)-2-oxo-eth-(Z)-ylidene]-furan-3-one 
• 122351-50-2 5-[2-(4-Methoxy-phenyl)-2-oxo-eth-(E)-ylidene]-2-thioxo-imidazolidin-4-one 
• 77092-22-9 2-Bromomethyl-6-(4-methoxy-phenyl)-2-phenyl-[1,3]dioxin-4-one 

Relevant academic research and scientific papers

Studies on synthesis of a novel, broad-spectrum antitumor compound 2-(1-hydroxy-4-oxo-cyclohexa-2, 5-dienyl)-pyran-4-one

Based on the previous studies, used protoapigenone as a model, we adopted chemical synthesis methods to develop the new compounds. It was specifically named as 2-(1-hydroxy-4-oxo-2, 5-cyclohexadien-1-yl)-4H-Pyran-4-one, including a core group: 1-hydroxycy

Furan-2,3-diones as masked dipoles: synthesis of isotetronic acids and mechanistic considerations

The formal dipolar behaviour of furan-2,3-diones is illustrated by their reaction with ethyl glyoxylate under Lewis basic activation uniquely, giving access to isotetronic derivatives. The Janus-type nature of the activated species, both nucleophilic and

Synthesis method of 2-(1-hydroxy-4-keto-2,5-cyclohexadiene)-pyran-4-ketone

The invention discloses a synthesis method of 2-(1-hydroxy-4-keto-2,5-cyclohexadiene)-pyran-4-ketone. The method comprises the steps that 1, on the condition of nitrogen protection and alkali existence, methoxy acetophenone is subjected to siloxane protec

1,3,4,6-Tetracarbonyl compounds. 3. Synthesis, structural features, and antimicrobial activity of 1,6-diaryl-3,4-dihydroxy-2,4-hexadiene-1,6-diones

The Wittig reaction of 5-aryl-2,3-dihydro-2,3-furandiones with aroylmethylenetriphenylphosphoranes is regioselective and leads to the formation of 5-aryl-2-aroylmethylene-2,3-dihydro-3-furanones. In the presence of acid the products react with water, givi

Thermal addition reaction of aroylketene with 1-aryl-1- trimethylsilyloxyethylenes: Aromatic substituent effects of aroylketene and aryltrimethylsilyloxyethylene on their reactivity

The thermal addition reaction of various aroylketenes (C) generated by the thermolysis of 5-aryldioxofurans (A) to 1-aryl-1-trimethylsilyloxyethylenes gave 1,5-diarylpentane-1,3,5-triones (D) and 2,6-diaryl-4H-pyran-4-ones (E). The introduction of electron withdrawing substituents in the aroylketene and of electron donating substituents facilitated the addition reaction. The observed substituent effects and the reaction mechanism are interpreted in terms of molecular orbital analyses.

Synthesis and 13C FT NMR spectroscopy of furan-2,3-dione derivatives

Substituted furan-2,3-diones were obtained by condensation of oxalyl chloride with silyl enol ether of para-substituted acetophenones (R = H, CH3, OCH3, Cl, Br, F), propiophenone, 1-tetralone, 6-methoxytetralone and 1-benzosuberone.The spectroscopic data obtained from IR, UV, 1H and 13C NMR studies are quite similar whichever are the substituents. furan-2,3-dione / 1H and 13C NMR / UV and IR spectra