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HETERODIENE [1 record]

Record 1 2002-01-15

English

Subject field(s)
  • Chemistry
  • Chemical Elements and Compounds
CONT

dienes: Compounds that contain two fixed double bonds (usually assumed to be between carbon atoms). ... Dienes in which one or more of the unsaturated carbon atoms is replaced by a heteroatom may be called heterodienes.

OBS

For example H2=CH-N=CH2; this term is rarely used. Heteroalkenes (q.v.) and heterocumulenes (q.v.) are better terms.

French

Domaine(s)
  • Chimie
  • Éléments et composés chimiques
CONT

diène : Composé qui comporte deux doubles liaisons fixes (en général, elles sont situées entre des atomes de carbone). [...] Les diènes dans lesquels un (ou plusieurs) atomes de carbone insaturé(s) est (sont) remplacé(s) par un hétéroatome sont nommés hétérodiènes.

OBS

Par exemple H2=CH-N=CH2; terme rarement utilisé. Les termes hétéroalcènes et hétérocumulènes (voir aussi ces fiches) sont meilleurs.

Spanish

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