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Izomeria compusilor organici

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H<br />

Formulele de reprezentare a<br />

enantiomerilor<br />

• Formule de configuraŃie tetraedrică,<br />

ce redau modelul steric real al moleculelor<br />

COOH<br />

O<br />

H<br />

CH 3<br />

H 3C<br />

O<br />

H<br />

COOH<br />

• Formule de proiecŃie Fischer<br />

COOH<br />

H OH<br />

CH 3<br />

COOH<br />

OH H<br />

CH 3<br />

H<br />

COOH<br />

H C OH<br />

CH 3<br />

• Formule de perspectivă tetraedrică<br />

COOH<br />

C<br />

H OH<br />

CH 3<br />

H 3C<br />

COOH<br />

C<br />

HO H<br />

• Formule de perspectivă<br />

HO<br />

COOH<br />

C H<br />

Trecerea de la formule de configuraŃie tetraedrică la formule de proiecŃie Fischer<br />

COOH<br />

CH 3<br />

C OOH<br />

COOH<br />

CH 3<br />

H H OH H OH<br />

O<br />

H<br />

C H3 CH3 legaturi pana-substituentii<br />

din fata observatorului<br />

legaturi punctate-substituentii<br />

din spatele planului de reprezentare<br />

COOH<br />

C<br />

H OH<br />

CH 3

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