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CHEBI ONTOLOGY - ANNOTATIONS

The Chemical Entities of Biological Interest (ChEBI) ontology is downloaded weekly from EMBL-EBI at http://www.ebi.ac.uk/chebi/. The data is made available under the Creative Commons License (CC BY 3.0, http://creativecommons.org/licenses/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:ketal
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Accession:CHEBI:59777 term browser browse the term
Definition:An acetal of formula R2C(OR)2 (R =/= H) derived from a ketone by replacement of the oxo group by two hydrocarbyloxy groups. The class name 'ketals', once abandoned by IUPAC, has been reinstated as a subclass of acetals.
Synonyms:related_synonym: ketals



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    Path 1
    Term Annotations click to browse term
      CHEBI ontology 20056
        chemical entity 20055
          atom 20054
            nonmetal atom 19945
              oxygen atom 19666
                oxygen molecular entity 19666
                  organooxygen compound 19243
                    acetal 10550
                      ketal 5813
                        (1R)-1-[(3aR,5S,6S,6aS)-6-[3-(dimethylamino)propoxy]-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]ethane-1,2-diol 0
                        (2R)-3-[(2S,6R,8S,11R)-2-[(2R)-4-[(2S,2'R,4R,4aS,6R,8aR)-4-hydroxy-2-[(1S,3S)-1-hydroxy-3-[(2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl]butyl]-3-methylene-2'-spiro[4a,7,8,8a-tetrahydro-4H-pyrano[3,2-b]pyran-6,5'-oxolane]yl]but-3-en-2-yl]-11-hydroxy-4-methyl-1,7-dioxaspiro[5.5]undec-4-en-8-yl]-2-hydroxy-2-methylpropanoic acid 0
                        (2S,4R,6R,8S)-2,4,8-Trimethyl-1,7-dioxaspiro-[5.5]undecane 0
                        (2Z,4'Z)-2-(5-Methylthio-4-penten-2-ynylidene)-1,6-dioxaspiro[4.4]non-3-ene 0
                        (3R,6S)-3-Hydroxy-1,7-dioxaspiro[5.5]undecane 0
                        (3S,6S)-3-Hydroxy-1,7-dioxaspiro[5.5]undecane 0
                        (4R,6S)-4-Hydroxy-1,7-dioxaspiro[5.5]undecane 0
                        (4S,6S)-4-Hydroxy-1,7-dioxaspiro[5.5]undecane 0
                        (6R,8S)-2,2,8-Trimethyl-1,7-dioxaspiro[5.5]undecane 0
                        1,1'-(Tetrahydro-6a-hydroxy-2,3a,5-trimethylfuro[2,3-d]-1,3-dioxole-2,5-diyl)bis-ethanone 0
                        1,6-Dioxaspiro[4.5]decane 0
                        1-[(5R,6S,6aR)-6-[3-(dimethylamino)propoxy]-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]ethane-1,2-diol 0
                        18-Methyl-nonadecane-1,2-diol, isopropylidene derivative 0
                        2,2,4-Trimethyl-1,3-dioxolane 0
                        2,2,7,7-Tetramethyl-1,6-dioxaspiro[4.4]nona-3,8-diene 0
                        2,7-Diethyl-1,6-dioxaspiro[4.5]decane 0
                        2-(1,4-dioxaspiro[4.5]decan-3-ylmethyl)guanidine 0
                        2-(2-Thienylmethylene)-1,6-dioxaspiro[4.4]non-3-ene 0
                        2-Ethyl-1,6-dioxaspiro[4.4]nonane 0
                        2-Ethyl-8-methyl-1,7-dioxaspiro[5.5]undecane 0
                        2-Methyl-1,7-dioxaspiro[5.5]undecane 0
                        2-Propyl-1,7-dioxaspiro[5.5]undecane 0
                        2-[(5-Methylsulfinyl)-4-penten-2-ynylidene]-1,6-dioxaspiro[4.4]non-3-ene 0
                        3-Hydroxy-2,8-dimethyl-1,7-dioxaspiro[5.5]undecane 0
                        4-(1,4-dioxaspiro[4.11]hexadecan-3-ylmethyl)morpholine 0
                        5,5,6,6-tetramethoxyhexane-1,2,3,4-tetrol 0
                        5-[Bis(methylsulfanyl)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione 0
                        6-Methyl-5-hepten-2-one propyleneglycol acetal 0
                        7-Butyl-2-methyl-1,6-dioxaspiro[4.5]decane 0
                        7E-Mycosinyl acetate 0
                        Acanthifolicin 0
                        Kamahine C 0
                        LSM-24581 0
                        Leontogenin 0
                        Talaromycin A 0
                        cyclic ketal + 5743
                        dinophysistoxin 1 165
                        dinophysistoxin 2 4
                        etoxadrol 0
                        promoxolane 0
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 20056
        subatomic particle 20054
          composite particle 20054
            hadron 20054
              baryon 20054
                nucleon 20054
                  atomic nucleus 20054
                    atom 20054
                      main group element atom 19956
                        p-block element atom 19956
                          carbon group element atom 19882
                            carbon atom 19875
                              organic molecular entity 19875
                                heteroorganic entity 19561
                                  organochalcogen compound 19310
                                    organooxygen compound 19243
                                      acetal 10550
                                        ketal 5813
                                          (1R)-1-[(3aR,5S,6S,6aS)-6-[3-(dimethylamino)propoxy]-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]ethane-1,2-diol 0
                                          (2R)-3-[(2S,6R,8S,11R)-2-[(2R)-4-[(2S,2'R,4R,4aS,6R,8aR)-4-hydroxy-2-[(1S,3S)-1-hydroxy-3-[(2S,3R,6S)-3-methyl-1,7-dioxaspiro[5.5]undecan-2-yl]butyl]-3-methylene-2'-spiro[4a,7,8,8a-tetrahydro-4H-pyrano[3,2-b]pyran-6,5'-oxolane]yl]but-3-en-2-yl]-11-hydroxy-4-methyl-1,7-dioxaspiro[5.5]undec-4-en-8-yl]-2-hydroxy-2-methylpropanoic acid 0
                                          (2S,4R,6R,8S)-2,4,8-Trimethyl-1,7-dioxaspiro-[5.5]undecane 0
                                          (2Z,4'Z)-2-(5-Methylthio-4-penten-2-ynylidene)-1,6-dioxaspiro[4.4]non-3-ene 0
                                          (3R,6S)-3-Hydroxy-1,7-dioxaspiro[5.5]undecane 0
                                          (3S,6S)-3-Hydroxy-1,7-dioxaspiro[5.5]undecane 0
                                          (4R,6S)-4-Hydroxy-1,7-dioxaspiro[5.5]undecane 0
                                          (4S,6S)-4-Hydroxy-1,7-dioxaspiro[5.5]undecane 0
                                          (6R,8S)-2,2,8-Trimethyl-1,7-dioxaspiro[5.5]undecane 0
                                          1,1'-(Tetrahydro-6a-hydroxy-2,3a,5-trimethylfuro[2,3-d]-1,3-dioxole-2,5-diyl)bis-ethanone 0
                                          1,6-Dioxaspiro[4.5]decane 0
                                          1-[(5R,6S,6aR)-6-[3-(dimethylamino)propoxy]-2,2-dimethyl-3a,5,6,6a-tetrahydrofuro[2,3-d][1,3]dioxol-5-yl]ethane-1,2-diol 0
                                          18-Methyl-nonadecane-1,2-diol, isopropylidene derivative 0
                                          2,2,4-Trimethyl-1,3-dioxolane 0
                                          2,2,7,7-Tetramethyl-1,6-dioxaspiro[4.4]nona-3,8-diene 0
                                          2,7-Diethyl-1,6-dioxaspiro[4.5]decane 0
                                          2-(1,4-dioxaspiro[4.5]decan-3-ylmethyl)guanidine 0
                                          2-(2-Thienylmethylene)-1,6-dioxaspiro[4.4]non-3-ene 0
                                          2-Ethyl-1,6-dioxaspiro[4.4]nonane 0
                                          2-Ethyl-8-methyl-1,7-dioxaspiro[5.5]undecane 0
                                          2-Methyl-1,7-dioxaspiro[5.5]undecane 0
                                          2-Propyl-1,7-dioxaspiro[5.5]undecane 0
                                          2-[(5-Methylsulfinyl)-4-penten-2-ynylidene]-1,6-dioxaspiro[4.4]non-3-ene 0
                                          3-Hydroxy-2,8-dimethyl-1,7-dioxaspiro[5.5]undecane 0
                                          4-(1,4-dioxaspiro[4.11]hexadecan-3-ylmethyl)morpholine 0
                                          5,5,6,6-tetramethoxyhexane-1,2,3,4-tetrol 0
                                          5-[Bis(methylsulfanyl)methylene]-2,2-dimethyl-1,3-dioxane-4,6-dione 0
                                          6-Methyl-5-hepten-2-one propyleneglycol acetal 0
                                          7-Butyl-2-methyl-1,6-dioxaspiro[4.5]decane 0
                                          7E-Mycosinyl acetate 0
                                          Acanthifolicin 0
                                          Kamahine C 0
                                          LSM-24581 0
                                          Leontogenin 0
                                          Talaromycin A 0
                                          cyclic ketal + 5743
                                          dinophysistoxin 1 165
                                          dinophysistoxin 2 4
                                          etoxadrol 0
                                          promoxolane 0
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