Protocatechualdehyde是什么
Webb1 jan. 2024 · Protocatechualdehyde is an important pharmaceutical intermediate, which could be used to synthesize many kinds of antibiotics and anti-inflammatory drugs. Webbprotocatechualdehyde: positive regulation of reactive oxygen species biosynthetic process: Potassium Dichromate: protocatechualdehyde inhibits the reaction [Potassium Dichromate results in increased positive regulation of reactive oxygen species biosynthetic process] 1: Homo sapiens: Erythrocytes : 1: 5. protocatechualdehyde
Protocatechualdehyde是什么
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Webb30 sep. 2024 · Purpose . Protocatechualdehyde (PCA) is a phenolic compound found in the roots of Salvia miltiorrhiza with anti-proliferative and antioxidant activities. At present, there are few studies on protocatechualdehyde against diabetic cataract (DC), and there is also lack of systematic research on the mechanism of protocatechualdehyde. WebbThen, protocatechualdehyde or a 3-alkoxy-4-hydroxybenzaldehyde, namely, the desired product of this invention is extracted from the reaction mixture along with the by …
Webb2 atmosphere, protocatechualdehyde (41.4 g, 0.30 mol) was dissolved in 350 mL of ethanol. Then, 4,40-diaminodiphenyl ether (19.8 g, 0.10 mol) was slowly added into this system. A er continuous stirring for 30 min at room temperature, the system was heated to 80 C and stirred for 6 h. A erward, the mixture was cooled down and transferred to ice ... Webb30 sep. 2024 · Protocatechualdehyde, 4,4′-diaminodiphenyl ether (ODA), ammonium polyphosphate (APP), and 4,4′-methylenedianiline (DDM) were obtained from Aladdin …
Webb1 nov. 2024 · 1. Introduction. Myocardial infarction (MI) is a leading cause of global morbidity 1, and cardiomyocyte loss has been proposed as a critical determinant of … WebbProtocatechualdehyde is prepared by the steps of reacting piperonyl dichloride with molecular chlorine in the presence of phosphorus trichloride, phosphorus pentachloride or sulfuryl chloride to prepare dichloropiperonylidene dichloride and hydrolyzing the dichloropiperonylidene dichloride. The piperonyl dichloride can be prepared by the …
WebbProtocatechualdehyd (3,4-Dihydroxybenzaldehyd) ist ein aromatischer Aldehyd.Er kommt glycosidisch gebunden in der Vanille vor. Er entsteht auch bei der Zersetzung des Aromastoffs Piperonal (= „Methylen-protocatechualdehyd“) durch die Einwirkung von Luftsauerstoff, Licht und Wärme. Der Stoff ist ein Zwischenprodukt bei der Darstellung … giant german railroad cannonWebbProtocatechualdehyde (protocatechuic aldehyde) is a naturally occurring phenolic aldehyde that is found in barley, green cavendish bananas, grapevine leaves and root of … frozen 2 full movie watch online dailymotionWebbProtocatechualdehyde is a compound useful as a raw material for synthesizing medicines and agricultural chemicals, and as a raw material for electronic materials such as … giant german rottweiler puppies for saleWebbProtocatechualdehyde (Catechaldehyde) 是从 Salvia miltiorrhiza 中分离出来的一种天然多酚化合物，具有多种生物活性，可作为抗氧化、抗衰老、抗菌消炎剂被广泛应用于多个医学领域。 giant german shepherd dogsWebb11 aug. 1999 · So far, the assay method of protocatechualdehyde report has 4 kinds in the red rooted salvia, be respectively document 1 (compound Danshen Root buccal tablet raw material quality standard (four kind new medicines are simplified by country), document 2 (Zhu Yeqing etc., Chinese patent drug research, 1984,6 (12), 11-12), document 3 (willow … frozen 2 full movie watch online 123 movieWebb20 dec. 2008 · We characterized the biological functions of protocatechualdehyde (PA) isolated from the butanol extract of culture supernatant from Streptomyces lincolnensis M-20. Following butanol extraction, it was purified by silica gel and Sephadex LH-20 column chromatography. PA was analyzed by Furier Transform Infrared Spectroscopy (FT-IR), … frozen 2 full movie to watch nowWebb11 jan. 2024 · Protocatechualdehyde (PCA) (50, 100 μM, 24/48 hours ) treated MCF-7 cells significantly decrease cell growth by 11% and 20% in 24 hours and by 22% and 27% in 48 hours, respectively[2]. Protocatechualdehyde (50, 100 μM, 24 hours) treated MCF-7 cells are increased by 1.9-fold and 2.6-fold in the concentrations of 50 μM and 100 μM, … frozen 2 get this right deleted song