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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 19751
        chemical entity 19749
          atom 19749
            nonmetal atom 19689
              oxygen atom 19469
                oxygen molecular entity 19469
                  organooxygen compound 19098
                    acetal 10574
                      ketal 5819
                        (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-(3-furylmethylidene)-1,5-dioxaspiro[5.5]undecane-2,4-dione 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 + 5750
                        dinophysistoxin 1 164
                        dinophysistoxin 2 4
                        etoxadrol 0
                        promoxolane 0
    Path 2
    Term Annotations click to browse term
      CHEBI ontology 19751
        subatomic particle 19749
          composite particle 19749
            hadron 19749
              baryon 19749
                nucleon 19749
                  atomic nucleus 19749
                    atom 19749
                      main group element atom 19698
                        p-block element atom 19698
                          carbon group element atom 19644
                            carbon atom 19640
                              organic molecular entity 19640
                                heteroorganic entity 19399
                                  organochalcogen compound 19189
                                    organooxygen compound 19098
                                      acetal 10574
                                        ketal 5819
                                          (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-(3-furylmethylidene)-1,5-dioxaspiro[5.5]undecane-2,4-dione 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 + 5750
                                          dinophysistoxin 1 164
                                          dinophysistoxin 2 4
                                          etoxadrol 0
                                          promoxolane 0
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