TERMIUM Plus^®

Record 1,  Textual support,  English

Record number: 1, Textual support number: 1 CONT

A thienodiazepine is a heterocyclic compound containing a diazepine ring fused to a thiophene ring.  2, record 1, English, - thienodiazepine

Record 1,  Textual support,  French

Record number: 1, Textual support number: 1 CONT

Les benzodiazépines [...] sont formées d'un cycle benzénique fusionné à un cycle diazépine. Les thiénodiazépines sont également des benzodiazépines qui, au lieu d'avoir un cycle benzène, possèdent un cycle thiophène.  2, record 1, French, - thi%C3%A9nodiaz%C3%A9pine

Record 1,  Textual support,  Spanish

Record 2,  Textual support,  English

Record number: 2, Textual support number: 1 DEF

Any of the derivatives of imidazole, a colourless, crystalline, heterocyclic compound consisting of the five-membered ring NHyCHzCHzCH.  3, record 2, English, - imidazole%20derivative

Record number: 2, Textual support number: 1 OBS

imidazole: This word is used to designate both the compound and the derivatives of the compound.  3, record 2, English, - imidazole%20derivative

Record number: 2, Textual support number: 1 CONT

Derivatives obtained by displacing a CH group in these by N are designated imidazole = C₃H₃(NH)N, oxazole = C₃H₃(O)N, and thiazole = C₃H₃(S)N respectively.  4, record 2, English, - imidazole%20derivative

Record number: 2, Textual support number: 2 CONT

Certain imidazole derivatives ... exert actions similar in some respects to the sympathetic amines.  4, record 2, English, - imidazole%20derivative

Record 2,  Textual support,  French

Record number: 2, Textual support number: 1 CONT

L'imidazole est un hétérocycle très fréquemment rencontré dans les composés naturels, soit sous forme monocyclique (histidine), soit sous forme polycyclique (purines, benzimidazoles). Les hydantoïnes, qui ont des emplois comme hypnotiques, sont aussi des dérivés de l'imidazole. Toute une série de médicaments antifongiques utilisés par voie locale dans le traitement des mycoses cutanées sont des dérivés de l'imidazole.  3, record 2, French, - d%C3%A9riv%C3%A9%20de%20l%27imidazole

Record number: 2, Textual support number: 1 OBS

imidazoline : terme générique désuet pour désigner les dérivés dihydrogénés de l'imidazole, par exemple 2,5-dihydroimidazole.  4, record 2, French, - d%C3%A9riv%C3%A9%20de%20l%27imidazole

Record 2,  Textual support,  Spanish

Record 3,  Textual support,  English

Record number: 3, Textual support number: 1 DEF

A chemical compound which has a heterocyclic fused ring structure, appears under the form of a white crystalline powder or of colorless, lustrous crystals, is practically odorless, is soluble in water, alcohol, and chloroform, is insoluble in ether, is derived by the action of ammonia on formaldehyde, and is used for the curing of phenolformaldehyde and resorcinolformaldehyde resins, in rubber-to-textile adhesives, as a protein modifier, in organic synthesis, in pharmaceuticals, as a corrosion inhibitor, in shrink-proofing textiles and as an antibacterial.  13, record 3, English, - 1%2C3%2C5%2C7%2Dtetraazatricyclo%5B3%2E3%2E1%2E13%2C7%5Ddecane

Record number: 3, Textual support number: 1 OBS

1,3,5,7-tetraazatricyclo[3.3.1.1^3,7]decane: form recommended by the IUPAC (International Union of Pure and Applied Chemistry).  1, record 3, English, - 1%2C3%2C5%2C7%2Dtetraazatricyclo%5B3%2E3%2E1%2E13%2C7%5Ddecane

Record number: 3, Textual support number: 2 OBS

methenamine: incorrect form.  1, record 3, English, - 1%2C3%2C5%2C7%2Dtetraazatricyclo%5B3%2E3%2E1%2E13%2C7%5Ddecane

Record number: 3, Textual support number: 3 OBS

Also known under a large number of commercial designations, such as: aceto HMT; ammoform; cystamin; formamine; formin; hexaform; methamin; preparation AF; resotropin; UN 1328; uritone; urotropin.  13, record 3, English, - 1%2C3%2C5%2C7%2Dtetraazatricyclo%5B3%2E3%2E1%2E13%2C7%5Ddecane

Record number: 3, Textual support number: 4 OBS

Chemical formula: C₆H₁₂N₄ or (CH₂)₆N₄  13, record 3, English, - 1%2C3%2C5%2C7%2Dtetraazatricyclo%5B3%2E3%2E1%2E13%2C7%5Ddecane

Record 3,  Textual support,  French

Record number: 3, Textual support number: 1 DEF

Composé hétérocyclique formé dans l'action directe du formol sur l'ammoniac que l'on utilise comme réactif analytique (silice), comme agent de synthèse, et comme médicament antiseptique, microbicide et régulateur de l'excrétion urinaire.  7, record 3, French, - 1%2C3%2C5%2C7%2Dt%C3%A9traazatricyclo%5B3%2E3%2E1%2E13%2C7%5Dd%C3%A9cane

Record number: 3, Textual support number: 1 OBS

L'hexaméthylènetétramine est autorisée, en France, uniquement pour le caviar et les succédanés de caviar [...]. En République fédérale allemande, on l'utilise couramment pour les marinades de poisson non soumises à une stérilisation ou pasteurisation, du type «rollmops», par exemple [...]  8, record 3, French, - 1%2C3%2C5%2C7%2Dt%C3%A9traazatricyclo%5B3%2E3%2E1%2E13%2C7%5Dd%C3%A9cane

Record number: 3, Textual support number: 2 OBS

1,3,5,7-tétraazatricyclo[3.3.1.1^3,7]décane : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée).  1, record 3, French, - 1%2C3%2C5%2C7%2Dt%C3%A9traazatricyclo%5B3%2E3%2E1%2E13%2C7%5Dd%C3%A9cane

Record number: 3, Textual support number: 3 OBS

méthènamine : forme incorrecte.  1, record 3, French, - 1%2C3%2C5%2C7%2Dt%C3%A9traazatricyclo%5B3%2E3%2E1%2E13%2C7%5Dd%C3%A9cane

Record number: 3, Textual support number: 4 OBS

Formule chimique : C₆H₁₂N₄ ou (CH₂)₆N₄  7, record 3, French, - 1%2C3%2C5%2C7%2Dt%C3%A9traazatricyclo%5B3%2E3%2E1%2E13%2C7%5Dd%C3%A9cane

Record 3,  Textual support,  Spanish

Record number: 3, Textual support number: 1 OBS

Fórmula química: C₆H₁₂N₄ o (CH₂)₆N₄  3, record 3, Spanish, - aminoformo

Record number: 3, Textual support number: 2 OBS

Sólido cristalino, inodoro. Soluble en agua, alcohol y cloroformo. Insoluble en éter. Inflamable.  4, record 3, Spanish, - aminoformo

Record 4,  Textual support,  English

Record number: 4, Textual support number: 1 DEF

a cyclic compound containing one or more rings in the molecule.  2, record 4, English, - ring%20compound

Record number: 4, Textual support number: 1 OBS

"ring" : an arrangement of atoms represented in formulas or models in a cyclic manner or as a closed chain and commonly consisting of five or six atoms although smaller and also much larger rings are known [i. e. ] carbocyclic and heterocyclic rings; called also "cycle".  2, record 4, English, - ring%20compound

Record 4,  Textual support,  French

Record number: 4, Textual support number: 1 OBS

«cyclique», se dit plus particulièrement d'un composé renfermant au moins une chaîne fermée ou un noyau.  2, record 4, French, - compos%C3%A9%20cyclique

Record 4,  Textual support,  Spanish

Record 5,  Textual support,  English

Record number: 5, Textual support number: 1 DEF

A colourless, crystalline, heterocyclic compound consisting of the five-membered ring NHyCHzNyCHzCH.  4, record 5, English, - imidazole

Record number: 5, Textual support number: 1 OBS

imidazole: form recommended by the IUPAC (International Union of Pure and Applied Chemistry).  5, record 5, English, - imidazole

Record number: 5, Textual support number: 2 OBS

imidazole : [Also used to designate] any of the derivatives of this compound.  4, record 5, English, - imidazole

Record number: 5, Textual support number: 3 OBS

N,N’-vinyleneformamidine: The capital letters "N" must be italicized.  6, record 5, English, - imidazole

Record number: 5, Textual support number: 4 OBS

Also known under a large number of commercial designations, such as: Imutex; Miazole; USAF EK-4733.  6, record 5, English, - imidazole

Record number: 5, Textual support number: 5 OBS

Chemical formula: C₃H₄N₂  6, record 5, English, - imidazole

Record 5,  Textual support,  French

Record number: 5, Textual support number: 1 DEF

Composé hétérocyclique aromatique [...]  4, record 5, French, - imidazole

Record number: 5, Textual support number: 1 CONT

L'imidazole est un hétérocycle très fréquemment rencontré dans les composés naturels, soit sous forme monocyclique (histidine), soit sous forme polycyclique (purines, benzimidazoles). Les hydantoïnes, qui ont des emplois comme hypnotiques, sont aussi des dérivés de l'imidazole. Toute une série de médicaments antifongiques utilisés par voie locale dans le traitement des mycoses cutanées sont des dérivés de l'imidazole.  4, record 5, French, - imidazole

Record number: 5, Textual support number: 1 OBS

imidazole : forme recommandée par l'UICPA (Union internationale de chimie pure et appliquée).  2, record 5, French, - imidazole

Record number: 5, Textual support number: 2 OBS

Formule chimique : C₃H₄N₂  5, record 5, French, - imidazole

Record 5,  Textual support,  Spanish

Record 6,  Textual support,  English

Record number: 6, Textual support number: 1 DEF

A heterocyclic nitrogenous compound [which] is an unsaturated five-sided ring... considered to be a resonance hybrid.  1, record 6, English, - pyrrole

Record number: 6, Textual support number: 1 OBS

Pyrroles readily combine with such metals as iron, copper, and nickel, which accounts for their importance in the formation of such biochemically essential complexes as porphyrins.  1, record 6, English, - pyrrole

Record number: 6, Textual support number: 2 OBS

Chemical formula: C₄H₅N or C₄H₄NH  2, record 6, English, - pyrrole

Record 6,  Textual support,  French

Record number: 6, Textual support number: 1 DEF

Composé hétérocyclique azoté [...] à cycle pentagonal.  2, record 6, French, - pyrrole

Record number: 6, Textual support number: 1 OBS

Le noyau du pyrrole se retrouve dans de nombreux produits naturels : pigments biliaires, porphyrines, etc.  2, record 6, French, - pyrrole

Record number: 6, Textual support number: 2 OBS

Formule chimique : C₄H₅N ou C₄H₄NH  3, record 6, French, - pyrrole

Record 6,  Textual support,  Spanish

Record 7,  Textual support,  English

Record number: 7, Textual support number: 1 DEF

relating to, characterized by, or being a ring composed of atoms of different elements... furan and quinoline are... [heterocyclic]...  2, record 7, English, - heterocyclic

Record number: 7, Textual support number: 1 OBS

In organic homocyclic compounds the annular atoms are all carbons.  3, record 7, English, - heterocyclic

Record 7,  Textual support,  French

Record number: 7, Textual support number: 1 DEF

Se dit d'un composé présentant une chaîne fermée par un atome ou un groupe d'atomes autres que le carbone.  2, record 7, French, - h%C3%A9t%C3%A9rocyclique

Record number: 7, Textual support number: 1 CONT

Le furanne, la pyridine sont des composés hétérocycliques.  3, record 7, French, - h%C3%A9t%C3%A9rocyclique

Record 7,  Textual support,  Spanish

Record number: 7, Textual support number: 1 DEF

[Dícese de la] estructura cíclica o de anillo en la que uno o más de los átomos del anillo es un elemento distinto del carbono.  2, record 7, Spanish, - heteroc%C3%ADclico

Record 8,  Textual support,  English

Record number: 8, Textual support number: 1 OBS

"ring" : an arrangement of atoms represented in formulas or models in a cyclic manner or as a closed chain and commonly consisting of five or six atoms although smaller and also much larger rings are known. [For example :] carbocyclic and heterocyclic rings. Called also "cycle".  2, record 8, English, - cycle

Record number: 8, Textual support number: 2 OBS

As shown by the definition of the term "ring" above, the Webster gives "cycle" as a synonym for "ring". However, according to the more specialized source HAMCH (Hawley dictionary of chemical terms), it seems that "ring" is a specific term compared to "cycle". See the following definition.  3, record 8, English, - cycle

Record number: 8, Textual support number: 3 OBS

"ring": A cyclic molecular arrangement whose structure is represented by polygons having four to eight sides ....  4, record 8, English, - cycle

Record 8,  Textual support,  French

Record number: 8, Textual support number: 1 DEF

Chaîne d'atomes fermée, que l'on rencontre surtout parmi les composés du carbone (synonyme : "noyau").  2, record 8, French, - cycle

Record number: 8, Textual support number: 2 DEF

Formule développée fermée sur elle-même, mais pas forcément un noyau. [P. ex. : ] cycle benzénique.  3, record 8, French, - cycle

Record number: 8, Textual support number: 1 OBS

Le terme "noyau" est donné comme synonyme du terme «cycle» par le Grand dictionnaire Larousse (LAROG). Si l'on se fie au dictionnaire de la chimie de Duval (code DCHIM), cependant, on est porté à penser que le terme "noyau" est un spécifique. Voir la définition qui suit.  4, record 8, French, - cycle

Record 8,  Textual support,  Spanish

Record 9,  Textual support,  English

Record number: 9, Textual support number: 1 CONT

The course will end with a look at the chemistry of amines, aromatic heterocycles and pericyclic reactions with an emphasis on how these areas of organic chemistry feature patterns of structures and reactivity that were initially seen in the previous sections.  2, record 9, English, - aromatic%20heterocycle

Record number: 9, Textual support number: 1 OBS

heterocyclic compounds : Cyclic compounds having as ring members atoms of at least two different elements, e. g. quinoline, 1, 2-thiazole, bicyclo[ 3. 3. 1] tetrasiloxane.  3, record 9, English, - aromatic%20heterocycle

Record 9,  Textual support,  French

Record number: 9, Textual support number: 1 DEF

Produit organique naturel (la nicotine, la quinine, etc.) dont la structure moléculaire fait apparaître un ou plusieurs cycles riches en électrons et contenant des atomes autres que le carbone.  2, record 9, French, - h%C3%A9t%C3%A9rocycle%20aromatique

Record 9,  Textual support,  Spanish

Record 10,  Textual support,  French

Record 10,  Textual support,  Spanish

Record 11,  Textual support,  English

Record number: 11, Textual support number: 1 DEF

"ring" : A cyclic molecular arrangement whose structure is represented by polygons having four to eight sides... The principal element... is usually carbon, as in the hexaganal benzene ring(homocyclic). If an element other than carbon appears in the ring, the compound is called heterocyclic, for example, the pentagonal furane ring.  2, record 11, English, - ring

Record number: 11, Textual support number: 1 OBS

Source WEBIN (Webster) gives "cycle" as a synonym for "ring". However, as shown by the definition of the term "ring" above, "ring" seems to be a specific term compared to "cycle", since it is a type of cyclic molecular arrangement.  3, record 11, English, - ring

Record number: 11, Textual support number: 2 OBS

See also "ring compound", "cyclic compound" and "cycle".  3, record 11, English, - ring

Record 11,  Textual support,  French

Record number: 11, Textual support number: 1 CONT

On appelle noyaux certains squelettes cycliques, comme celui du benzène [...]. Les noyaux sont homo- ou carbocycliques, c'est-à-dire formés exclusivement d'atomes de carbone, ou hétérocycliques, c'est-à-dire qu'ils renferment au moins un atome différent du carbone dans leur cycle. Ils sont généralement hexagonaux ou pentagonaux [...]  3, record 11, French, - noyau

Record number: 11, Textual support number: 1 OBS

«cycle» : chaîne d'atomes fermée, que l'on rencontre surtout parmi les composés du carbone (synonyme : «noyau»).  4, record 11, French, - noyau

Record number: 11, Textual support number: 2 OBS

Le terme "noyau" est donné comme synonyme du terme "cycle" par le Grand dictionnaire Larousse (LAROG et LGRAN). Si l'on se fie au dictionnaire de la chimie de Duval (code DCHIM), cependant, on est porté à penser que le terme «noyau» est un spécifique. Voir l'observation qui suit.  5, record 11, French, - noyau

Record number: 11, Textual support number: 3 OBS

«cycle» : Formule développée fermée sur elle-même, mais pas forcément un noyau. [P. ex. :] cycle benzénique.  6, record 11, French, - noyau

Record 11,  Textual support,  Spanish

Record 12,  Textual support,  English

Record number: 12, Textual support number: 1 OBS

"ring" : an arrangement of atoms represented in formulas or models in a cyclic manner or as a closed chain and commonly consisting of five or six atoms although smaller and also much larger rings are known [i. e. ] carbocyclic and heterocyclic rings; called also "cycle".  2, record 12, English, - ring%2Dchain%20tautomerism

Record 12,  Textual support,  French

Record number: 12, Textual support number: 1 OBS

"cyclique" : Qui concerne les cycles (dans tous les sens); se dit plus particulièrement d'un composé renfermant au moins une chaîne fermée ou un noyau.  2, record 12, French, - tautom%C3%A9rie%20noyau%2Dcha%C3%AEne

Record number: 12, Textual support number: 2 OBS

"cycle" : chaîne d'atomes fermée, que l'on rencontre surtout parmi les composés du carbone. (syn. "noyau").  3, record 12, French, - tautom%C3%A9rie%20noyau%2Dcha%C3%AEne

Record number: 12, Textual support number: 3 OBS

"tautomérie" : Équilibre chimique mettant en jeu des composés tautomères.  3, record 12, French, - tautom%C3%A9rie%20noyau%2Dcha%C3%AEne

Record number: 12, Textual support number: 4 OBS

"tautom ère", adjectif : Se dit de deux composés isomères, qui sont en équilibre p ar l'intermédiaire d'un ion commun.  3, record 12, French, - tautom%C3%A9rie%20noyau%2Dcha%C3%AEne

Record 12,  Textual support,  Spanish

Record 13,  Textual support,  English

Record number: 13, Textual support number: 1 OBS

"ring" : an arrangement of atoms represented in formulas or models in a cyclic manner or as a closed chain and commonly consisting of five or six atoms although smaller and also much larger rings are known [i. e. ] carbocyclic and heterocyclic rings; called also "cycle".  2, record 13, English, - ring%20structure

Record 13,  Textual support,  French

Record number: 13, Textual support number: 1 OBS

"cyclique" : Qui concerne les cycles (dans tous les sens); se dit plus particulièrement d'un composé renfermant au moins une chaîne fermée ou un noyau.  2, record 13, French, - structure%20cyclique

Record number: 13, Textual support number: 2 OBS

"cycle" : chaîne d'atomes fermée, qui l'on rencontre surtout parmi les composés du carbone. (synonyme "noyau").  3, record 13, French, - structure%20cyclique

Record 13,  Textual support,  Spanish

Record 14,  Textual support,  French

Record 14,  Textual support,  Spanish