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Tetrosa

De Wikipedia, la enciclopedia libre

Las tetrosas son monosacáridos (glúcidos simples) formados por una cadena de cuatro átomos de carbono.

Hay dos tipos:

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Transcription

Aldotetrosas

Si el grupo carbonilo está al comienzo de la molécula: existen dos tipos, la eritrosa y la treosa. 

D-eritrosa          D-treosa
    CHO                CHO      
     |                  |           
   H-C-OH            HO-C-H    
     |                  |
   H-C-OH             H-C-OH 
     |                  |      
   CH2OH               CH2OH



L-eritrosa          L-treosa
    CHO                CHO
     |                  |
  OH-C-H              H-C-OH
     |                  |
  OH-C-H             OH-C-H
     |                  |
   CH2OH               CH2OH

Cetotetrosas

Si el grupo carbonilo está en el segundo átomo de Carbono de la molécula: existe un tipo, la eritrulosa. 

D-eritrulosa     L-eritrulosa
 CH2OH              CH2OH
   |                  | 
   C=O                C=O
   |                  |   
 H-C-OH            HO-C-H
   |                  |
 CH2OH               CH2OH

Véase también

Esta página se editó por última vez el 26 abr 2023 a las 16:20.
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