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#2
11-03-2009, 04:01 AM
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 Re: why is a peptide bond stronger than an ester bond? Esters contain a carbonyl center, which gives rise to 120° C-C-O and O-C-O angles. Unlike amides, esters are structurally flexible functional groups because rotation about the C-O-C bonds has a low barrier. Their flexibility and low polarity is manifested in their physical properties; they tend to be less rigid (lower melting point) and more volatile (lower boiling point) than the corresponding amides. P.S. a peptide bond is an example of amide bond Hope you understood the reason  |
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