Protonation and ring closure of stereoisomeric alpha-substituted cinnamic acids in superacidic media studied by 13C NMR spectroscopy and computations [PDF]
Five alpha-substituted cinnamic acids [(E)- and (Z)-2,3-diphenyl-, (E)- and (Z)-3-(2-methoxyphenyl)-2-phenyl- and (E)-2-(2-methoxyphenyl)-3-phenyl-propenoic acids] have been protonated in fluorosulfonic acid at -78 degrees C, Protonation of the ...
Burrichter, Arwed +5 more
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Alpinia malaccensis L. contains the largest phytochemical component, methyl cinnamate. The base hydrolysis of methyl cinnamate resulted cinnamic acid compound. In this study, were carried out isolation of methyl cinnamate, hydrolysis of methyl cinnamate into cinnamic acid and modification cinnamic acid through esterification, amidation, and ...
openaire +1 more source
Synthesis of cinnamic acid and its six derivatives has been done by employing Knoevenagel reaction. Benzaldehyde, 4-butylbenzaldehyde, 4-t-butylbenzaldehyde, 4-butoxybenzaldehyde, 4-phenylbenzaldehyde, 5-bromo-2,4-dimethoxybenzaldehyde, and 5-bromo-2,3 ...
Marcellino Rudyanto, Lanny Hartanti
doaj +1 more source
Biologically active compounds from selected aphyllophorales mycelial cultures [PDF]
The obtained results confirm the hypothesis that mycelial cultures of domestic species of aphyllophorales are able to accumulate biologically active metabolites.Uzyskane wyniki wskazują, że przebadane kultury mycelialne krajowych gatunków grzybów ...
Firlej, Anna +2 more
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The expression of stlA in Photorhabdus luminescens is controlled by nutrient limitation [PDF]
Photorhabdus is a genus of Gram-negative entomopathogenic bacteria that also maintain a mutualistic association with nematodes from the family Heterorhabditis.
Bode, Helge Björn +3 more
core +7 more sources
Hydrogen-bonding interactions in the crystalline-phase structures of cinnamic acid derivatives [PDF]
Secondary interactions responsible for the crystalline-phase structures of various cinnamic acids and cinnamic acid esters drawn from the Cambridge Structural Database were studied with the help of the Cerius package implemented on an SGI workstation ...
Pálinkó, István
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Studies of the physiology, pharmacology, and biochemistry of the auxins [PDF]
Several excellent reviews of auxin matters have appeared during the past few years dealing broadly with the subject as a whole, such as the Wisconsin Symposium on Plant Growth Substances whleh is referred to repeatedly below, as well as reviews of more ...
Bandurski, Robert S., Bonner, James
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Exploring the anti-biofilm activity of cinnamic acid derivatives in Candida albicans [PDF]
Some compounds, characterized by phenylethenyl moiety, such as methyl cinnamate and caffeic acid phenethyl ester, are able to inhibit C. albicans biofilm formation.
Costi, Roberta +6 more
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Antioxidant activities of polyphenols extracted from Perilla frutescens varieties [PDF]
Various cultivars of Perilla frutescens (L.) (var. crispa and var. frutescens) Britt. were harvested in China and Japan. They were easily differentiated on the basis of their foliage color, that varied from red to green.
Bin Li, +3 more
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Novel chalcone-based fluorescent human histamine H 3 receptor ligands as pharmacological tools [PDF]
Novel fluorescent chalcone-based ligands at human histamine H(3) receptors (hH(3)R) have been designed, synthesized, and characterized. Compounds described are non-imidazole analogs of ciproxifan with a tetralone motif.
Tomasch, Miriam +3 more
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