نتایج جستجو برای: hydroxy aromatic aldehydesketones
تعداد نتایج: 72638 فیلتر نتایج به سال:
The plant phenolic compounds such as flavonoids, tannins and phenolic acids appeared to be strong antiradical and antioxidant compounds. The number of hydroxy groups and the presence of a 2,3-double bond and orthodiphenolic structure enhance antiradical and antioxidative activity of flavonoids. The glycosylation, blocking the 3-OH group in C-ring, lack of a hydroxy group or the presence of only...
A new bio-based dimethacrylate (EMHO) consisting of three isomers, that is (ethane-1,2-diyl-bis(9-methacryloyloxy-10-hydroxy octadecanoate) [EMHO-i1], ethane-1,2-diyl-9-hydroxy-10-methacryloyloxy-9′-methacryloyloxy-10′-hydroxy octadecanoate [EMHO-i2], and ethane-1,2-diyl-bis(9-hydroxy-10-methacryloyloxy [EMHO-i3]), was made by a three-step reaction starting from esterification oleic acid with e...
Azobenzenes are ubiquitous motifs very important in many areas of science. Azo compounds display crucial properties for important applications, mainly for the chemical industry. Because of their discovery, the main application of aromatic azo compounds has been their use as dyes. These compounds are excellent candidates to function as molecular switches because of their efficient cis-trans isom...
Protein-carbohydrate recognition is of fundamental importance for a large number of biological processes; carbohydrate-aromatic stacking is a widespread, but poorly understood, structural motif in this recognition. We describe, for the first time, the measurement of carbohydrate-aromatic interactions from their contribution to the stability of a dangling-ended DNA model system. We observe clear...
The structures of 2-(3-hydroxy-5-methylphenoxy)-N-(4-nitrophenyl)acetamide), B1, and 2-(3-hydroxy-5-methylphenoxy)-N-(4-(trifluoromethyl)phenyl)acetamide, B2, are crystallized in the crystal symmetry monoclinic structure space group P21/c. For different B1 displays an absolute planarity conformation with torsion angles 172.2–179.1. two molecules linked by a hydrogen bond N–H…O–N–O, where atom a...
The ACI rat is extremely sensitive to estrogens as mammary carcinogens, whereas the Sprague-Dawley strain is relatively resistant. Comparison of the disposition and effects of estrogens in these two strains should provide insights into the mechanisms of estrogen carcinogenicity. We have begun this investigation by comparing the metabolism of [(3)H]17beta-estradiol (E2) by liver microsomes prepa...
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