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ATOME ASYMETRIQUE [6 records]
Record 1 - internal organization data 2011-08-10
Record 1, English
Record 1, Subject field(s)
- Chemistry
- Biochemistry
Record 1, Main entry term, English
- chiral atom
1, record 1, English, chiral%20atom
correct
Record 1, Abbreviations, English
Record 1, Synonyms, English
- chiral center 2, record 1, English, chiral%20center
correct
- chiral centre 3, record 1, English, chiral%20centre
correct
Record 1, Textual support, English
Record number: 1, Textual support number: 1 CONT
Because compounds with asymmetric carbon atoms can be regarded as occurring in left- and righthanded forms, they are called chiral compounds (Greek, chiros, "hand"). Correspondingly, the asymmetric atom or center of chiral compounds is called the chiral atom or center. 1, record 1, English, - chiral%20atom
Record 1, French
Record 1, Domaine(s)
- Chimie
- Biochimie
Record 1, Main entry term, French
- atome chiral
1, record 1, French, atome%20chiral
correct, masculine noun
Record 1, Abbreviations, French
Record 1, Synonyms, French
- centre chiral 2, record 1, French, centre%20chiral
correct, masculine noun
Record 1, Textual support, French
Record number: 1, Textual support number: 1 DEF
Atome maintenant un ensemble d’atomes ou de groupes d’atomes dans une disposition non superposable à son image dans un miroir. 3, record 1, French, - atome%20chiral
Record number: 1, Textual support number: 1 CONT
Les composés contenant un carbone asymétrique existent sous deux formes droite et gauche; ils ont donc été appelés des composés chiraux(en grec chiros signifie la main) et l'atome asymétrique ou centre du composé chiral a donc été appelé atome chiral ou centre chiral. 1, record 1, French, - atome%20chiral
Record number: 1, Textual support number: 1 OBS
centre chiral : terme et définition publiés au Journal officiel de la République française le 18 avril 2001. 4, record 1, French, - atome%20chiral
Record 1, Spanish
Record 1, Textual support, Spanish
Record 2 - internal organization data 2010-09-01
Record 2, English
Record 2, Subject field(s)
- Chemistry
Record 2, Main entry term, English
- stereogenic
1, record 2, English, stereogenic
adjective
Record 2, Abbreviations, English
Record 2, Synonyms, English
Record 2, Textual support, English
Record 2, French
Record 2, Domaine(s)
- Chimie
Record 2, Main entry term, French
- stéréogène
1, record 2, French, st%C3%A9r%C3%A9og%C3%A8ne
correct, adjective
Record 2, Abbreviations, French
Record 2, Synonyms, French
- stéréogénique 1, record 2, French, st%C3%A9r%C3%A9og%C3%A9nique
correct, adjective
Record 2, Textual support, French
Record number: 2, Textual support number: 1 DEF
Se dit d’un atome ou d’un groupe d’atomes qui, dans une entité moléculaire, peut être considéré comme à l’origine d’une stéréo-isomérie. 1, record 2, French, - st%C3%A9r%C3%A9og%C3%A8ne
Record number: 2, Textual support number: 1 OBS
Un atome asymétrique, centre chiral, avec ses ligands, est un exemple traditionnel de groupe stéréogène; de même un groupe d’atomes constitué d’une double liaison avec ses substituants qui peut donner naissance à une isomérie cis-trans. 1, record 2, French, - st%C3%A9r%C3%A9og%C3%A8ne
Record number: 2, Textual support number: 2 OBS
stéréogène; stéréogénique : termes et définition publiés au Journal officiel de la République française le 18 avril 2001. 2, record 2, French, - st%C3%A9r%C3%A9og%C3%A8ne
Record 2, Spanish
Record 2, Textual support, Spanish
Record 3 - internal organization data 1996-10-11
Record 3, English
Record 3, Subject field(s)
- Chemistry
Record 3, Main entry term, English
- asymmetric atom
1, record 3, English, asymmetric%20atom
correct
Record 3, Abbreviations, English
Record 3, Synonyms, English
Record 3, Textual support, English
Record number: 3, Textual support number: 1 DEF
An atom that is tetrahedrally bonded to four different atoms or groups, none of the groups being the mirror image of any of the others. 1, record 3, English, - asymmetric%20atom
Record 3, French
Record 3, Domaine(s)
- Chimie
Record 3, Main entry term, French
- atome asymétrique
1, record 3, French, atome%20asym%C3%A9trique
correct, masculine noun
Record 3, Abbreviations, French
Record 3, Synonyms, French
Record 3, Textual support, French
Record number: 3, Textual support number: 1 DEF
Un atome lié tétraédriquement à quatre atomes ou groupes d’atomes différents où aucun n’est énantiomère d’un autre. 1, record 3, French, - atome%20asym%C3%A9trique
Record number: 3, Textual support number: 1 OBS
Un des groupes peut être une paire d’électrons non liés, tel que dans les sulfoxydes. 2, record 3, French, - atome%20asym%C3%A9trique
Record 3, Spanish
Record 3, Textual support, Spanish
Record 4 - internal organization data 1993-11-16
Record 4, English
Record 4, Subject field(s)
- Biochemistry
Record 4, Main entry term, English
- equimolar mixture
1, record 4, English, equimolar%20mixture
correct
Record 4, Abbreviations, English
Record 4, Synonyms, English
Record 4, Textual support, English
Record number: 4, Textual support number: 1 CONT
... when the organic chemist in the laboratory synthesizes an organic compound in which there is an asymmetric carbon atom, the ordinary, nonbiological reactions used form the two possible chiral forms at an equal rate, leading to an equimola 1, record 4, English, - equimolar%20mixture
Record 4, French
Record 4, Domaine(s)
- Biochimie
Record 4, Main entry term, French
- mélange équimolaire
1, record 4, French, m%C3%A9lange%20%C3%A9quimolaire
correct, masculine noun
Record 4, Abbreviations, French
Record 4, Synonyms, French
Record 4, Textual support, French
Record number: 4, Textual support number: 1 CONT
[...] quand un chimiste organicien dans un laboratoire synthétise un composé organique dans lequel existe un atome de carbone asymétrique, les réactions ordinaires, non biologiques utilisées donnent à une vitesse identique les deux formes chirales, ce qui conduit à un mélange équimolaire. 1, record 4, French, - m%C3%A9lange%20%C3%A9quimolaire
Record 4, Spanish
Record 4, Textual support, Spanish
Record 5 - internal organization data 1993-11-16
Record 5, English
Record 5, Subject field(s)
- Biochemistry
Record 5, Main entry term, English
- singly bonded
1, record 5, English, singly%20bonded
correct
Record 5, Abbreviations, English
Record 5, Synonyms, English
Record 5, Textual support, English
Record number: 5, Textual support number: 1 CONT
Whenever there are four different atoms or functional groups singly bonded to a given carbon atom in an organic molecule, the carbon atom is said to be asymmetric since it can exist in two isomeric forms, called enantiomers, which have different configurations in space. 1, record 5, English, - singly%20bonded
Record 5, French
Record 5, Domaine(s)
- Biochimie
Record 5, Main entry term, French
- liés par une liaison simple
1, record 5, French, li%C3%A9s%20par%20une%20liaison%20simple
correct
Record 5, Abbreviations, French
Record 5, Synonyms, French
Record 5, Textual support, French
Record number: 5, Textual support number: 1 CONT
Chaque fois qu'existent 4 atomes ou groupements fonctionnels différents liés par une liaison simple à un atome de carbone donné dans une molécule organique, l'atome de carbone est dit asymétrique puisqu'il peut exister sous deux formes isomères, appelées énantiomères, qui possèdent des configurations différentes dans l'espace. 1, record 5, French, - li%C3%A9s%20par%20une%20liaison%20simple
Record 5, Spanish
Record 5, Textual support, Spanish
Record 6 - internal organization data 1993-11-16
Record 6, English
Record 6, Subject field(s)
- Biochemistry
Record 6, Main entry term, English
- chiral compound
1, record 6, English, chiral%20compound
correct
Record 6, Abbreviations, English
Record 6, Synonyms, English
Record 6, Textual support, English
Record number: 6, Textual support number: 1 CONT
Because compounds with asymmetric carbon atoms can be regarded as occurring in left- and righthanded forms, they are called chiral compounds (Greek, chiros, "hand"). Correspondingly, the asymmetric atom or center of chiral compounds is called the chiral atom or center. 1, record 6, English, - chiral%20compound
Record 6, French
Record 6, Domaine(s)
- Biochimie
Record 6, Main entry term, French
- composé chiral
1, record 6, French, compos%C3%A9%20chiral
correct, masculine noun
Record 6, Abbreviations, French
Record 6, Synonyms, French
Record 6, Textual support, French
Record number: 6, Textual support number: 1 CONT
Les composés contenant un carbone asymétrique existent sous deux formes droite et gauche; ils ont donc été appelés des composés chiraux(en grec chiros signifie la main) et l'atome asymétrique ou centre du composé chiral a donc été appelé atome chiral ou centre chiral. 1, record 6, French, - compos%C3%A9%20chiral
Record 6, Spanish
Record 6, Textual support, Spanish
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