Why does phosphodiester bond have diester as part of it's name?

  • Thread starter gauss44
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  • #1
gauss44
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Why does "phosphodiester bond" have "diester" as part of it's name?

Why does "phosphodiester bond" have "diester" as part of it's name?

I don't see two esters. I must be overlooking something. Maybe it's because the two riboses can dissociate into ester form? Thanks.
 

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  • #3
Ygggdrasil
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Probably because it contains two C-O-P bonds (a normal ester is a C-O-C bond [where one of the carbons is a carbonyl], so a singel phosphoester would be a C-O-P bond [in which the phosphorus atom is a phosphate]).
 
  • #4
gauss44
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Probably because it contains two C-O-P bonds (a normal ester is a C-O-C bond [where one of the carbons is a carbonyl], so a singel phosphoester would be a C-O-P bond [in which the phosphorus atom is a phosphate]).

I thought that was an ether.
 
  • #6
Borek
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To quopte wikipedia:

Ester is a general term for the product derived from the condensation of an acid and an alcohol. Thus, the nomenclature extends to inorganic oxo acids, e.g. phosphoric acid, sulfuric acid, nitric acid and boric acid.

(bolding mine)
 

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