Iron-Catalyzed, Highly Regioselective Synthesis of alpha-Aryl Carboxylic Acids from Styrene Derivatives and CO2 [PDF]
The iron-catalyzed hydrocarboxylation of aryl alkenes has been developed using a highly active bench-stable iron(II) precatalyst to give alpha-aryl carboxylic acids in excellent yields and with near-perfect regioselectivity. Using just 1 mol % FeCl2, bis(
Greenhalgh, Mark D., Thomas, Stephen P.
core +1 more source
THE ESTERIFICATION OF ALPHA AMINO ACIDS. [PDF]
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Shonle, H. A., Mitchell, H. H.
openaire +1 more source
VITAL - The Czech hop hybrid variety - Part II.
In the last few years brewing tests with hop products of the Vital variety (hop pellets T90 and a CO2-extract) were carried out at different levels: from a pilot scale trial to a full scale trial.
Karel KROFTA +5 more
doaj +1 more source
Czech bitter varieties were evaluated between 2010 and 2022. Hop varieties displayed an average content of alpha acids between 10.24% w/w (Agnus) and 13.73% w/w (Gaia).
Vladimír Nesvadba +5 more
doaj +1 more source
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
core +1 more source
The effect of hop beta acids oxidation products on beer bitterness.
Instability and tendency to oxidation depending on conditions is a dominant property of hop beta acids . This property has an impact on both the hop storage and the beer brewing process . Approximately one half of the amount decomposes in the air at room
Karel KROFTA +3 more
doaj +1 more source
Complexation between oleanolic and maslinic acids with native and modified cyclodextrins [PDF]
Oleanolic (OA) and maslinic (MA) acids are two natural triterpenoids with a wide range of beneficial effects for human health. However, their low solubility and permeability make their application in the food or industry difficult. The complexation of OA
López Miranda, Santiago
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Expression of an anti-CD33 single-chain antibody by Pichia pastoris [PDF]
CD33 is a cell surface glycoprotein expressed on cells of myelomonocytic lineage, leukaemic cells, but not haematopoietic stem cells. By virtue of its expression pattern, CD33 has become a popular target for new immunotherapeutic approaches to treat ...
Emberson, Louise M. +3 more
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Regions of beta 2 and beta 4 responsible for differences between the steady state dose-response relationships of the alpha 3 beta 2 and alpha 3 beta 4 neuronal nicotinic receptors [PDF]
We constructed chimeras of the rat beta 2 and beta 4 neuronal nicotinic subunits to locate the regions that contribute to differences between the acetylcholine (ACh) dose-response relationships of the alpha 3 beta 2 and alpha 3 beta 4 receptors ...
Cohen, B. N. +5 more
core +2 more sources
Determination of Bitter Compounds in Hops – Effect of Crop Year and Hops Age
Our study is focused on mutual comparison of four methods of determination of alpha acids in hops (EBC 7.4, EBC 7.5, ČSN and EBC 7.7) and their application in evaluation of hops stored under different conditions.
Karel Krofta +4 more
doaj +1 more source

