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bases pyridiques

pyridine bases

électronique et électrotechnique - iate.europa.eu

avec 0,25 litre de bases pyridiques.

together with 0,25 litres of pyridine bases

général - eur-lex.europa.eu

avec 0,25 litre de bases pyridiques.

together with 0,25 litre of pyridine bases.

général - eur-lex.europa.eu

La présente invention concerne un procédé permettant de produire des bases pyridiques annulées par réaction de cétones cycliques avec un aldéhyde aliphatique en présence d'ammoniac en phase gazeuse et en présence d'un catalyseur.

This invention relates to process for producing annulated pyridine bases by reacting cyclic ketones with aliphatic aldehyde in presence of ammonia in gaseous phase in the presence of a catalyst.

chimie - wipo.int

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Configuration control in the synthesis of homo- and heteroleptic bis(oxazolinylphenolato/thiazolinylphenolato)chelate ligand complexes of oxorhenium(v): isomer effect on ancillaryligand exchange dynamics and implications for perchlorate reductioncatalysis... Selection of hoz/htz ligands determines the preferred isomeric coordinationsphere, and the use of substituted pyridine bases with varying degreesof steric hindrance during complex synthesis controls the rate ofisomer interconversion....

général - core.ac.uk - PDF: figshare.com

Enthalpic versus entropic contribution to the quinoneformal potential in a polypyrrole-based conducting redox polymer... E0′ could be completely recovered in MeCN,and by utilizing pyridine bases with different donor–acceptorstrengths, a decrease of 61 meV/pKa wasfound that corresponded exactly to the pH dependence of E0′ in aqueous electrolyte....

PDF: figshare.com

Chemical reactivity and hydrogen bonding in relation to hydroxyl group acylation in carbon tetrachlorideA kinetic study was made of the reaction between phenols and carboxylic acid anhydrides in the presence of pyridine bases in carbon tetrachloride....

PDF: repository.royalholloway.ac.uk

A development of prospective synthetic and methods to produce pyridine includingA development of prospective synthetic methods to produce Pyridine including those of complex structure will allow to makes the latter more available and hence Pyridine bases will be widely used in industry....

PDF: www.impactjournals.us

Molar excess enthalpies and volumes of mixtures of 2,4,6-trimethyl-pyr1dine with some aliphatic alcohols... As a continuation of our studies on thermodynamic excess functions of mixing for mixtures containing pyridine bases and alcohols, we have used 2,4,6-trimethyl-pyridine and propan-l-ol, butan-l-ol, pentan-l-ol and hexan-l-ol....

PDF: www.electronicsandbooks.com