Results 61 to 70 of about 13,993 (189)

Reactions of pentachloro-2-nitrobutadiene with some aliphatic and heterocyclic thiols and a crystallographic study

, 2018
In this study, S-, S,S- and S,O-substituted novel nitrodiene compounds were synthesized. Cyclization products were formed when difunctional nucleophiles were used. The stereoisomerism of a heterocyclic nitrodiene is discussed with the help of XRD studies.
Cemil Ibis, Hakan Bahar, Ozkok, Funda, Şenol Yavuz, Funda Özkök, Yavuz, Senol, Hatice Asar, Sibel Sahinler Ayla, Ayla, Sibel Sahinler, Ibis, Cemil, Asar, Hatice, Bahar, Hakan   +11 more
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Scientific Opinion on Flavouring Group Evaluation 67, Revision 1 (FGE.67Rev.1): Consideration of 40 furan‐substituted aliphatic hydrocarbons, alcohols, aldehydes, ketones, carboxylic acids and related esters, sulfides, disulfides and ethers evaluated by JECFA at the 65th meeting (JECFA, 2006b) and re‐evaluated at the 69th meeting (JECFA, 2009c)

EFSA Journal, 2011
The Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids of the European Food Safety Authority was requested to consider evaluations of flavouring substances assessed since 2000 by the Joint FAO/WHO Expert Committee on Food Additives
EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids (CEF)
doaj   +1 more source

The influence of stereochemistry on anion binding and transport

, 2013
Bis(thio)urea receptors (1–4) based on 1,2-bisaminocyclohexane are shown to function as transmembrane anion antiporters. The results show that cis-receptors have a greater propensity for anion transport than analogous trans-receptors. Stability constants
Karagiannidis, Louise E., Hiscock, Jennifer R., Gale, Philip A.   +2 more
core   +1 more source

Features of stereoisomerism of uterine contraction in pregnant women with isthmic-cervical insufficiency and its clinical significance

Медицинский вестник Юга России
Objective: to study the features of contractile activity of the right and left sides of the uterus in patients with isthmiccervical insufficiency and uncomplicated pregnancy and to assess the nature of the gestational processes and labor outcomes ...
T. L. Botasheva, O. V. Keller, O. I. Deriglazova, A. N. Rymashevsky, E. Yu. Lebedenko, N. V. Ermolova, A. K. Grigoryan, O. P. Zavodnov   +7 more
doaj   +1 more source

As nove premissas anestesiológicas da Bíblia Las nueve premisas anestesiológicas de la Biblia Nine Biblical anesthetic premises

Revista Brasileira de Anestesiologia, 2003
JUSTIFICATIVA E OBJETIVOS: Os autores fazem uma análise histórica de nove premissas inerentes à prática anestésica que já estão referenciadas na Bíblia há mais de 3.000 anos (Velho Testamento).
Nilton Bezerra do Vale, José Delfino
doaj   +1 more source

Warum sind Enzyme Makromoleküle?

CHIMIA, 1983
The paper is devoted to the question wheter the macromolecular structure is really essential for the chemical and biological qualities of enzymes. Recognizing that high molecular weight compounds are relevant both in nature and in modern technology, the
P.L. Luisi
doaj   +1 more source

planar stereoisomerism

, 2019
Citation: 'planar stereoisomerism' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.P04684 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms.
openaire   +1 more source

Über stereoisomere Äthylmercapto‐bernsteinsäuren [PDF]

Berichte der deutschen chemischen Gesellschaft (A and B Series), 1921
n ...
openaire   +2 more sources

A Graph Kernel incorporating molecule's stereisomerism information

, 2014
International audienceThe prediction of molecule's properties through Quantitative Structure Activity (resp. Property) Relationships are two active research fields named QSAR and QSPR.
Villemin, Didier, Brun, Luc, Grenier, Pierre-Anthony   +2 more
core  

THE STRUCTURE AND CONFORMATION OF LIGNIN AS JUDGED BY X-RAY CRYSTALLOGRAPHIC INVESTIGATIONS OF LIGNIN MODEL COMPOUNDS: ARYLGLYCEROL -SYRINGYL ETHERS

BioResources, 2009
Structural elements of the arylglycerol -syringyl ether type are very frequent in hardwood lignins. A variety of crystalline dimeric lignin models representing different diastereomeric forms of structural elements in lignin of this type have been ...
Knut Lundquist, Vratislav Langer, Jim Parkås   +2 more
doaj