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The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at The data is made available under the Creative Commons License (CC BY 3.0, For more information see: Degtyarenko et al. (2008) ChEBI: a database and ontology for chemical entities of biological interest. Nucleic Acids Res. 36, D344–D350.

Term:protecting group
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Accession:CHEBI:51087 term browser browse the term
Definition:A group that is introduced into a molecule by chemical modification of a functional group in order to obtain chemoselectivity in a subsequent chemical reaction.
Synonyms:related_synonym: Schutzgruppe;   Schutzgruppen;   groupe protecteur;   protective group

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  CHEBI ontology 19765
    role 19738
      application 19572
        protecting group 0
          (fluoren-9-ylmethoxy)carbonyl group 0
          2-(trimethylsilyl)ethoxymethyl group 0
          4,4'-dimethoxytriphenylmethyl group 0
          benzoyl group 0
          benzyloxycarbonyl group 0
          brosyl group 0
          carboxylic acid protecting group + 0
          nosyl group 0
          phenylsulfonyl group 0
          phosphate protecting group + 0
          phthaloyl group 0
          tert-butoxycarbonyl group + 0
          tert-butyldimethylsilyl group 0
          tert-butyldiphenylsilyl group 0
          tosyl group 0
          triisopropylsilyl group 0
          trimethylsilyl group + 0
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