نتایج جستجو برای: catechol

تعداد نتایج: 5514  

Journal: :Applied and environmental microbiology 1988
R C Bugos J B Sutherland J H Adler

Nine phenolic compounds were metabolized by the soft rot fungus Lecythophora hoffmannii via protocatechuic acid and subsequently cleaved by protocatechuate 3,4-dioxygenase as determined by oxygen uptake, substrate depletion, and ring cleavage analysis. Catechol was metabolized by catechol 1,2-dioxygenase. Fungal utilization of these aromatic compounds may be important in the metabolism of wood ...

2017
VALENTINA N. GLUSHkO

Study of interaction between catechol and tetraethylene glycol dichloride in the n-butanol media, resulting with benzo-15-crown-5 production. Production of nitroand amino-derivatives of benzo-15-crown-5. Determination of their thermogravimetric characteristics. keywords: benzo-15-crown-5, catechol, tetraethylene glycol dichloride, crown ether, gas liquid chromatography, chromate-mass spectrometry

Journal: :Chemical communications 2010
Guillaume Povie Giorgio Villa Leigh Ford Davide Pozzi Carl H Schiesser Philippe Renaud

Mechanistic investigations on the previously reported reduction of B-alkylcatecholboranes in the presence of methanol led to the disclosure of a new mechanism involving catechol as a reducing agent. More than just revising the mechanism of this reaction, we disclose here the surprising role of catechol, a chain breaking antioxidant, which becomes a source of hydrogen atoms in an efficient radic...

Journal: :Npg Asia Materials 2022

Abstract Zinc oxide nanoparticles (ZnO) have attracted much attention as promising antibacterial agents due to their ability generate reactive oxygen species (ROS) that effectively eliminate bacteria. However, when they are delivered inside the body, this distinct characteristic of ROS is restricted limited penetration depth external light, which required for photocatalysis particles. To produc...

 Caffeic acid phenethyl ester(CAPE) suppresses the growth of transformed cells such as human breast cancer cells, hepatocarcinoma , myeloid leukemia, colorectal cancer cells, fibrosarcoma, glioma and melanoma. A group of heterocyclic esters of caffeic acid was synthesized using Mitsunobu reaction and the esters were subjected to further structural modification by electrooxidation of the catecho...

Journal: :The Journal of Physical Chemistry A 2015

Journal: :iranian journal of pharmaceutical research 0
shima h. m. ebrahim ketabforoosh department of medicinal chemistry, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran 14176, iran. mohsen amini department of medicinal chemistry, faculty of pharmacy and drug design and development research center, tehran university of medical sciences, tehran 14176, iran. mohsen vosooghi department of medicinal chemistry, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran 14176, iran. abbas shafiee department of medicinal chemistry, faculty of pharmacy and pharmaceutical sciences research center, tehran university of medical sciences, tehran 14176, iran. ebrahim azizi molecular research laboratory, department of pharmacology and toxicology, faculty of pharmacy, medical sciences, university of tehran, tehran, iran. farzad kobarfard department of medicinal chemistry, shahid beheshti school of pharmacy, tehran, iran.

caffeic acid phenethyl ester(cape) suppresses the growth of transformed cells such as human breast cancer cells, hepatocarcinoma , myeloid leukemia, colorectal cancer cells, fibrosarcoma, glioma and melanoma. a group of heterocyclic esters of caffeic acid was synthesized using mitsunobu reaction and the esters were subjected to further structural modification by electrooxidation of the catechol...

Journal: :Materials advances 2021

Inspired by mussels, dopamine with catechol and amino groups in the molecular structure has been broadly studied for its universal attachment, biocompatibility ease of use.

Journal: :European Polymer Journal 2021

Mussel-inspired, catechol-containing monomers are being increasingly utilised to design versatile, adhesive, functional copolymers. This work reports the synthesis and detailed characterisation of a novel terpolymer comprising dopamine methacrylamide (DMA), in order produce surface coatings capable acting as biosensors for, e.g., toxins. DMA is copolymerised with 2-hydroxyethyl methacrylate (HE...

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