US4369227 * 1982年3月10日 1983年1月18日 Basf Aktiengesellschaft Particulate styrene polymers containing blowing agentUS4369227 * Mar 10, 1982 Jan 18, 1983 Basf Aktiengesellschaft Which is an hydroxycarboxylic acid esterUS4369227 * Mar 10, 1982 Jan 18, 1983 Basf Aktiengesellschaft Particulate styrene...
An ester is an organiccompoundwhere thehydrogenin the compound'scarboxyl groupis replaced with ahydrocarbongroup. Esters are derived from carboxylic acids and (usually) alcohol. While carboxylic acid has the -COOH group, the hydrogen is replaced by a hydrocarbon in an ester. The chemical formula ...
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For annotated polyphenols, chemical taxonomy was assigned by hand using the following rules: phenolic acids contain a single aromatic ring with only hydroxyl and ether groups attached; benzoic acids contain a single aromatic ring with a carboxylic acid or ester attached in the alpha position of the...
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The glyoxal oxidase catalyses the oxidation of alde- hydes to carboxylic acid and is an essential component of the extracellular lignin degradation pathway of the root rot fungus, Phanerochaete chrysosporium. Of a total of seven M. lychnidis-dioicae proteins that contain the glyoxal oxidase N-...
Inhibition of influenza virus infections in mice by GS4104, an orally effective influenza virus neuraminidase inhibitor The carbocyclic transition state sialic acid analog GS4071 ([3R,4R,5S]-4-acetamido-5-amino-3-[1-ethylpropoxy]-1-cyclohexane-1-carboxylic acid), a potent in... Robert W. ...
One special therapeutic category of ethyl ester prodrugs is the angiotensin-converting enzyme (ACE) inhibitors, such as enalapril and perindopril, where one of the carboxylic acid groups is masked as an ethyl ester making the prodrug more lipophilic (Beaumont et al., 2003). Sacubitril (formerly...
AF488是一种亮绿色荧光染料,由于其光稳定性,通常用于显微镜和细胞分析。NHS酯是一种胺活性染料,它可以标记蛋白质、肽、氨基修饰低聚物和其他目标分子中的胺基。 AF488 is a bright green fluorescent dye commonly used for microscopy and cell analysis due to its photostability. NHS ester is an amine reactive...
IRDye 700 Carboxylic acid is an infrared dye with detection near 700 nm. Carboxylic acid reactive group provides the functionality for labeling molecules that contain free sulfhydryl (–SH thiol) groups. This reactive group allows conjugation reactions to be performed at physiological pH. ...