Results 61 to 70 of about 23,656 (192)

Synthesis of nanodiamond derivatives carrying amino functions and quantification by a modified Kaiser test

Beilstein Journal of Organic Chemistry, 2014
Nanodiamonds functionalized with different organic moieties carrying terminal amino groups have been synthesized. These include conjugates generated by Diels–Alder reactions of ortho-quinodimethanes formed in situ from pyrazine and 5,6-dihydrocyclobuta[d]
Gerald Jarre, Steffen Heyer, Elisabeth Memmel, Thomas Meinhardt, Anke Krueger   +4 more
doaj   +1 more source

Pooled samples pyrazine detection

, 2018
Details of moths included in pooled samples for pyrazine ...
Bibiana Rojas (3266334), Burdfield-Steel, Emily, Emily Burdfield-Steel (4398874), Juan A. Galarza (3247341), Hannu Pakkanen (2888783), Pakkanen, Hannu, Rojas, Bibiana, Galarza, Juan A., Mappes, Johanna, Johanna Mappes (227453)   +9 more
core   +1 more source

Novel Halogenated Pyrazine-Based Chalcones as Potential Antimicrobial Drugs

Molecules, 2016
Chalcones, i.e., compounds with the chemical pattern of 1,3-diphenylprop-2-en-1-ones, exert a wide range of bio-activities, e.g., antioxidant, anti-inflammatory, anticancer, anti-infective etc. Our research group has been focused on pyrazine analogues of
Marta Kucerova-Chlupacova, Veronika Vyskovska-Tyllova, Lenka Richterova-Finkova, Jiri Kunes, Vladimir Buchta, Marcela Vejsova, Pavla Paterova, Lucia Semelkova, Ondrej Jandourek, Veronika Opletalova   +9 more
doaj   +1 more source

Scientific Opinion on Flavouring Group Evaluation 17, Revision 3 (FGE.17Rev3): Pyrazine derivatives from chemical group 24

EFSA Journal, 2011
The Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids of the European Food Safety Authority was requested to evaluate 28 flavouring substances in the Flavouring Group Evaluation 17, including seven additional substances considered
EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
doaj   +1 more source

The crystal structures of the ligand N-(quinolin-8-yl)pyrazine-2-carboxamide and of a tetranuclear copper(II) complex

Acta Crystallographica Section E: Crystallographic Communications, 2019
The title tridentate ligand, C14H10N4O, N-(quinolin-8-yl)pyrazine-2-carboxamide (HL1), crystallizes with three independent molecules (A, B and C) in the asymmetric unit. All three molecules are relatively planar (r.m.s.
Dilovan S. Cati, Helen Stoeckli-Evans
doaj   +1 more source

Synthetic procedures leading to 5,6-disubstituted pyrazine-2,3-dicarbonitriles

, 2011
Práce se zabývá konkrétněji sloučeninami substituovanými elektron-donorní N,N-dialkylamino skupinou a halogeny, které lze následně nukleofilní aromatickou substitucí za N,N-dialkylamino skupinu nahradit.A literature search focusing on the synthesis of 5 ...
Čermáková, Hana
core   +1 more source

Poly[μ-aqua-diaqua(μ2-pyrazine-2,3-dicarboxylato)dilithium(I)]

Acta Crystallographica Section E, 2009
The asymmetric unit of the title compound, [Li2(C6H2N2O4)(H2O)3]n, consists of two independent Li+ cations, one pyrazine-2,3-dicarboxylate dianion and three water molecules.
Kutalmis Guven, Mustafa Tombul
doaj   +1 more source

Enhancing Pea Flour Characteristics Through Radio Frequency Heating: Effects on Composition, Flavour, Anti‐Nutrients and Functionality

Legume Science
Peas and other legume crops are sources of sustainable plant‐based proteins. Dry pea seeds can be processed into whole seed flour or dehulled milled flour and used as food ingredients.
Praiya Asavajaru, Pabitra Chandra Das, Aarti Bhagwat, Darrin Klassen, Li Liu, Peng Gao, Yuping Lu, Prem Prakash Das, Nandhakishore Rajagopalan   +8 more
doaj   +1 more source

Substituted N-Phenylpyrazine-2-carboxamides, Their Synthesis and Evaluation as Herbicides and Abiotic Elicitors

Molecules, 2007
The condensation of substituted pyrazine-2-carboxylic acid chlorides with ring-substituted anilines yielded five substituted pyrazine-2-carboxylic acid amides.
Katarína Kráľová, Jiří Tůma, Diana KeÅ¡etovičová, Lenka Tůmová, Martin Doležal   +4 more
doaj   +1 more source

Photoelectron spectroscopy of pyrazine anion clusters

, 2002
We studied the energetics and character of electron binding in the pyrazine anion clusters by mass spectrometry, photoelectron spectroscopy, and theoretical calculations. The mass distribution showed that the minimum number of molecules in a neat cluster
Song, JK, Lee, NK, Kim, SK, Jae Kyu Song, Nam Ki Lee, Seong Keun Kim   +5 more
core   +1 more source