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Question annales Maraîchers, 2018, QCM 12


Go to solution Solved by BarbaPass,

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Posted

Salut salut, je ne comprend pas pourquoi cet item est faux:

"B est le (2R)-1-bromo-propan-2,3-diol."

Voilà la molécule B: 

 image.png.73672a7c6020da04f048dadba4796ff4.png

Merci d'avance ! 

  • Solution
Posted

Coucou @btfe ! 

 

B est le 3-bromo-propan-1,2-diol ! 

La fonction principale doit avoir la numérotation la plus petite 😉

Pour la configuration, le carbone 2 est bien R. 

Voilaaa 

c'est plus clair ? 

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