We demonstrated on different reference QSAR datasets that NGPLS outperforms GAPLS and allows to identify more predictive and diverse QSAR models than GAPLS. However, NGPLS is slower. We also highlighted that NGPLS can induce a cooperative effect between maintained QSAR models that can be decisive...
La structure des pyrrolines-3 est établie sur des bases spectroscopiques et des corrélations chimiques. La stéréochimie de cette nouvelle méthode de synthèse des pyrrolines-3 est discutée. Cycloaddition of 1,3-diphenyl-2-azaallyllithium to tolane, diphenylbutadiyne and 1,4-diphenylbut...
La substitution nucléophile activée en série aromatique II.—Effet polaire des groupements alcoyle-Réaction d'échange bromo-iode dans une série de 1-alcoyl-4-bromo-3,5-dinitro-benzènes Mlle A. Pinguair, P. J.C Fierens†, A. Frennet and A. Halleux Article first published onlin...
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E. In filtering incompatible values in not yet instantiated domains when a new instantiation is tested. However, these methods are defined only for binary constraints. We extend them in defining a generalized notion of n-ary consistency : relationnal-(I,J)-consistency. Our experimentations show ...
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Synthesis of all monodeuterio indazole derivatives has allowed the assignment of the seven carbons in the13C nmr spectrum of indazole. Some1J,2J, and3Jcoupling constants have been measured from the coupled spectrum.JoséElgueroAlain Fruchier...
This 4-F-alkyl substituent has a very slight effect on the chemical shifts of different carbon atoms. Only the C-10, C-4, and C-5 atoms are really affected and are shifted towards higher fields. The size of these effects was evaluated and compared with the corresponding effects of a 4...
Nevertheless, such a condensation according to Rap [1] cannot be carried out in certain cases, particularly with acetonitrile.doi:10.1002/jhet.5570250234Jean-Pierre BuissonRené RoyerJournal of Heterocyclic Chemistry
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