Matches in SemOpenAlex for { <https://semopenalex.org/work/W2149984730> ?p ?o ?g. }
Showing items 1 to 70 of
70
with 100 items per page.
- W2149984730 endingPage "1037" @default.
- W2149984730 startingPage "1023" @default.
- W2149984730 abstract "Dans le cadre d'une étude générale des dérivés des carbonylés des terpénes, nous étudions dans le présent travail, une série de semicarbazones terpéniques en spectrométrie de masse à l'aide de la haute résolution. Nous comparons en fonction des différents squelettes hydrocarbonés, les fragmentations induites par le groupement fonctionnel semicarbazone. Les spectres de masse sont beaucoup plus complexes que ceux des oximes, methyloximes, hydrazones correspondantes. Nous nous sommes basés sur des mécanismes classiques pour rendre compte de la quasi-totalité des pics obtenus. Nous avons constaté que la fragmentation du squelette des semicarbazones a une importance moins grande que celle des oximes. Le groupement fonctionnel semicarbazone se décompose suivant différentes voies. Les ions obtenus sont à l'origine de dégradations secondaires. Malgré la prépondérance de la localisations de la charge sur l'azote imino, les autres centres jouent un rôle dans la dégradation de ces dérivés terpéniques. Terpene semicarbazones have been investigated using high resolution mass spectrometry. We have studied correlations between rings and functional semicarbazone degradations. The mass spectra are more complicated than the mass spectra of oximes, methyloximes and hydrazones. Cleavages are explained by known mechanisms. An interpretation of almost all the peaks is offered. The fragmentation of the semicarbazone skeleton is less marked than in the oximes. Fragmentation processes induced by the functional group are numerous. Ions obtained are concerned in secondary cleavages. Thus it is not surprising that the predominant feature is localisation of charge upon the imino nitrogen atom. Other centres may, however, be responsible for the appearance of several peaks." @default.
- W2149984730 created "2016-06-24" @default.
- W2149984730 creator A5010841344 @default.
- W2149984730 creator A5021665032 @default.
- W2149984730 creator A5079365216 @default.
- W2149984730 date "1972-09-01" @default.
- W2149984730 modified "2023-10-16" @default.
- W2149984730 title "Etude de la fragmentation de semi-carbazones terpeniques" @default.
- W2149984730 cites W140205244 @default.
- W2149984730 cites W1602537265 @default.
- W2149984730 cites W1977306619 @default.
- W2149984730 cites W1991698129 @default.
- W2149984730 cites W1997908064 @default.
- W2149984730 cites W2050693387 @default.
- W2149984730 cites W2077251869 @default.
- W2149984730 cites W2079199894 @default.
- W2149984730 cites W2111177489 @default.
- W2149984730 cites W2316311251 @default.
- W2149984730 doi "https://doi.org/10.1002/oms.1210060911" @default.
- W2149984730 hasPublicationYear "1972" @default.
- W2149984730 type Work @default.
- W2149984730 sameAs 2149984730 @default.
- W2149984730 citedByCount "2" @default.
- W2149984730 crossrefType "journal-article" @default.
- W2149984730 hasAuthorship W2149984730A5010841344 @default.
- W2149984730 hasAuthorship W2149984730A5021665032 @default.
- W2149984730 hasAuthorship W2149984730A5079365216 @default.
- W2149984730 hasConcept C111919701 @default.
- W2149984730 hasConcept C145148216 @default.
- W2149984730 hasConcept C155647269 @default.
- W2149984730 hasConcept C178790620 @default.
- W2149984730 hasConcept C185592680 @default.
- W2149984730 hasConcept C191015642 @default.
- W2149984730 hasConcept C2779648554 @default.
- W2149984730 hasConcept C40325409 @default.
- W2149984730 hasConcept C41008148 @default.
- W2149984730 hasConcept C71240020 @default.
- W2149984730 hasConcept C83591994 @default.
- W2149984730 hasConceptScore W2149984730C111919701 @default.
- W2149984730 hasConceptScore W2149984730C145148216 @default.
- W2149984730 hasConceptScore W2149984730C155647269 @default.
- W2149984730 hasConceptScore W2149984730C178790620 @default.
- W2149984730 hasConceptScore W2149984730C185592680 @default.
- W2149984730 hasConceptScore W2149984730C191015642 @default.
- W2149984730 hasConceptScore W2149984730C2779648554 @default.
- W2149984730 hasConceptScore W2149984730C40325409 @default.
- W2149984730 hasConceptScore W2149984730C41008148 @default.
- W2149984730 hasConceptScore W2149984730C71240020 @default.
- W2149984730 hasConceptScore W2149984730C83591994 @default.
- W2149984730 hasIssue "9" @default.
- W2149984730 hasLocation W21499847301 @default.
- W2149984730 hasOpenAccess W2149984730 @default.
- W2149984730 hasPrimaryLocation W21499847301 @default.
- W2149984730 hasRelatedWork W1975841430 @default.
- W2149984730 hasRelatedWork W1984330945 @default.
- W2149984730 hasRelatedWork W1992567222 @default.
- W2149984730 hasRelatedWork W1993478875 @default.
- W2149984730 hasRelatedWork W1995955935 @default.
- W2149984730 hasRelatedWork W2030565763 @default.
- W2149984730 hasRelatedWork W2071716452 @default.
- W2149984730 hasRelatedWork W2074505071 @default.
- W2149984730 hasRelatedWork W2144706509 @default.
- W2149984730 hasRelatedWork W2320630646 @default.
- W2149984730 hasVolume "6" @default.
- W2149984730 isParatext "false" @default.
- W2149984730 isRetracted "false" @default.
- W2149984730 magId "2149984730" @default.
- W2149984730 workType "article" @default.