Record Information |
---|
Version | 5.0 |
---|
Status | Expected but not Quantified |
---|
Creation Date | 2006-05-22 15:12:29 UTC |
---|
Update Date | 2023-02-21 17:16:31 UTC |
---|
HMDB ID | HMDB0003052 |
---|
Secondary Accession Numbers | |
---|
Metabolite Identification |
---|
Common Name | Lactaldehyde |
---|
Description | Lactaldehyde, also known as 2-hydroxypropanal, belongs to the class of organic compounds known as alpha-hydroxyaldehydes. These are organic compounds containing an aldehyde substituted with a hydroxyl group on the adjacent carbon. The molecule is chiral, its stereocenter being located on the second carbon atom. Lactaldehyde exists in several forms: in open-chain form and as cyclic hemiacetal; in solution and in crystal forms; as monomer and as dimer. Lactaldehyde is an extremely weak basic (essentially neutral) compound (based on its pKa). Lactaldehyde exists in all living species, ranging from bacteria to humans. Within humans, lactaldehyde participates in a number of enzymatic reactions. In particular, lactaldehyde can be converted into pyruvaldehyde; which is mediated by the enzyme aldose reductase. In addition, lactaldehyde can be biosynthesized from propylene glycol; which is catalyzed by the enzyme aldose reductase. Methylglyoxal is converted to D-lactaldehyde by glycerol dehydrogenase (gldA). Lactaldehyde is then oxidized to lactic acid by aldehyde dehydrogenase. In humans, lactaldehyde is involved in the metabolic disorder called the leigh syndrome pathway. Lactaldehyde is an intermediate in the methylglyoxal metabolic pathway. Lactaldehyde is a three-carbon atom species with a carbonyl group on the first carbon atom (making it an aldehyde), and a hydroxy group on the second carbon atom, making it a secondary alcohol. In crystal form, three conformers occur as hemiacetal dimers with a 1,4-dioxane ring skeleton:In equilibrium solution, negligibly small amounts of the monomer and at least one five-membered ring dimer exist. |
---|
Structure | InChI=1S/C3H6O2/c1-3(5)2-4/h2-3,5H,1H3/t3-/m0/s1 |
---|
Synonyms | Value | Source |
---|
L-2-Hydroxypropionaldehyde | ChEBI | L-Lactaldehyde | ChEBI | (+-)-2-Hydroxypropanal | HMDB | (2S)-2-Hydroxypropanal | HMDB | (S)-Lactaldehyde | HMDB | 2-Hydroxypropanal | HMDB | 2-Hydroxypropionaldehyde | HMDB | alpha-Hydroxypropionaldehyde | HMDB | Hydroxypropionaldehyde | HMDB |
|
---|
Chemical Formula | C3H6O2 |
---|
Average Molecular Weight | 74.0785 |
---|
Monoisotopic Molecular Weight | 74.036779436 |
---|
IUPAC Name | (2S)-2-hydroxypropanal |
---|
Traditional Name | L-lactaldehyde |
---|
CAS Registry Number | 598-35-6 |
---|
SMILES | C[C@H](O)C=O |
---|
InChI Identifier | InChI=1S/C3H6O2/c1-3(5)2-4/h2-3,5H,1H3/t3-/m0/s1 |
---|
InChI Key | BSABBBMNWQWLLU-VKHMYHEASA-N |
---|
Chemical Taxonomy |
---|
Description | Belongs to the class of organic compounds known as alpha-hydroxyaldehydes. These are organic compounds containing an aldehyde substituted with a hydroxyl group on the adjacent carbon. |
---|
Kingdom | Organic compounds |
---|
Super Class | Organic oxygen compounds |
---|
Class | Organooxygen compounds |
---|
Sub Class | Carbonyl compounds |
---|
Direct Parent | Alpha-hydroxyaldehydes |
---|
Alternative Parents | |
---|
Substituents | - Alpha-hydroxyaldehyde
- Secondary alcohol
- Organic oxide
- Hydrocarbon derivative
- Short-chain aldehyde
- Alcohol
- Aliphatic acyclic compound
|
---|
Molecular Framework | Aliphatic acyclic compounds |
---|
External Descriptors | |
---|
Ontology |
---|
Physiological effect | Not Available |
---|
Disposition | |
---|
Process | |
---|
Role | |
---|
Physical Properties |
---|
State | Solid |
---|
Experimental Molecular Properties | Property | Value | Reference |
---|
Melting Point | Not Available | Not Available | Boiling Point | Not Available | Not Available | Water Solubility | Not Available | Not Available | LogP | Not Available | Not Available |
|
---|
Experimental Chromatographic Properties | Not Available |
---|
Predicted Molecular Properties | |
---|
Predicted Chromatographic Properties | Predicted Collision Cross SectionsPredicted Kovats Retention IndicesUnderivatizedDerivatizedDerivative Name / Structure | SMILES | Kovats RI Value | Column Type | Reference |
---|
Lactaldehyde,1TMS,isomer #1 | C[C@@H](C=O)O[Si](C)(C)C | 829.4 | Semi standard non polar | 33892256 | Lactaldehyde,1TMS,isomer #2 | CC(O)=CO[Si](C)(C)C | 926.3 | Semi standard non polar | 33892256 | Lactaldehyde,2TMS,isomer #1 | CC(=CO[Si](C)(C)C)O[Si](C)(C)C | 1052.3 | Semi standard non polar | 33892256 | Lactaldehyde,2TMS,isomer #1 | CC(=CO[Si](C)(C)C)O[Si](C)(C)C | 986.6 | Standard non polar | 33892256 | Lactaldehyde,2TMS,isomer #1 | CC(=CO[Si](C)(C)C)O[Si](C)(C)C | 1016.7 | Standard polar | 33892256 | Lactaldehyde,1TBDMS,isomer #1 | C[C@@H](C=O)O[Si](C)(C)C(C)(C)C | 1062.2 | Semi standard non polar | 33892256 | Lactaldehyde,1TBDMS,isomer #2 | CC(O)=CO[Si](C)(C)C(C)(C)C | 1149.3 | Semi standard non polar | 33892256 | Lactaldehyde,2TBDMS,isomer #1 | CC(=CO[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 1469.6 | Semi standard non polar | 33892256 | Lactaldehyde,2TBDMS,isomer #1 | CC(=CO[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 1442.1 | Standard non polar | 33892256 | Lactaldehyde,2TBDMS,isomer #1 | CC(=CO[Si](C)(C)C(C)(C)C)O[Si](C)(C)C(C)(C)C | 1345.9 | Standard polar | 33892256 |
|
---|
| GC-MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
---|
Predicted GC-MS | Predicted GC-MS Spectrum - Lactaldehyde GC-MS (Non-derivatized) - 70eV, Positive | splash10-056v-9000000000-fe4416498788a968e467 | 2016-09-22 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Lactaldehyde GC-MS (1 TMS) - 70eV, Positive | splash10-00fr-9300000000-12b08b93303d8cbf5c3a | 2017-10-06 | Wishart Lab | View Spectrum | Predicted GC-MS | Predicted GC-MS Spectrum - Lactaldehyde GC-MS (Non-derivatized) - 70eV, Positive | Not Available | 2021-10-12 | Wishart Lab | View Spectrum |
MS/MS SpectraSpectrum Type | Description | Splash Key | Deposition Date | Source | View |
---|
Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lactaldehyde 10V, Positive-QTOF | splash10-004i-9000000000-1aa2338222aff31e5e0f | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lactaldehyde 20V, Positive-QTOF | splash10-056r-9000000000-c450e557b2fe7c5dc5a1 | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lactaldehyde 40V, Positive-QTOF | splash10-0a6r-9000000000-dceca37df952939d1084 | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lactaldehyde 10V, Negative-QTOF | splash10-00di-9000000000-cd6930d73efb436bc0ff | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lactaldehyde 20V, Negative-QTOF | splash10-00di-9000000000-97d1b594dd3b1d9b08b8 | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lactaldehyde 40V, Negative-QTOF | splash10-0a4i-9000000000-90fa8913085480b29a8a | 2015-09-15 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lactaldehyde 10V, Negative-QTOF | splash10-05fr-9000000000-518c4b32efb3532122ea | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lactaldehyde 20V, Negative-QTOF | splash10-05fr-9000000000-90bd5b8f63ecfac6a42a | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lactaldehyde 40V, Negative-QTOF | splash10-0a4i-9000000000-23a60e5f52ca732e0f56 | 2021-09-23 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lactaldehyde 10V, Positive-QTOF | splash10-0a4i-9000000000-feb30b99fe1a3132abb8 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lactaldehyde 20V, Positive-QTOF | splash10-0a4j-9000000000-f5b28df550bdfcf22cc7 | 2021-09-25 | Wishart Lab | View Spectrum | Predicted LC-MS/MS | Predicted LC-MS/MS Spectrum - Lactaldehyde 40V, Positive-QTOF | splash10-052s-9000000000-db6ce3d247485bf9581b | 2021-09-25 | Wishart Lab | View Spectrum |
IR SpectraSpectrum Type | Description | Deposition Date | Source | View |
---|
Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M-H]-) | 2023-02-03 | FELIX lab | View Spectrum | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+H]+) | 2023-02-03 | FELIX lab | View Spectrum | Predicted IR Spectrum | IR Ion Spectrum (Predicted IRIS Spectrum, Adduct: [M+Na]+) | 2023-02-03 | FELIX lab | View Spectrum |
|
---|
General References | - Chen YM, Lin EC: Dual control of a common L-1,2-propanediol oxidoreductase by L-fucose and L-rhamnose in Escherichia coli. J Bacteriol. 1984 Mar;157(3):828-32. [PubMed:6421801 ]
- Casazza JP, Felver ME, Veech RL: The metabolism of acetone in rat. J Biol Chem. 1984 Jan 10;259(1):231-6. [PubMed:6706932 ]
- TING SM, SELLINGER OZ, MILLER ON: THE METABOLISM OF LACTALDEHYDE. VI. THE REDUCTION OF D- AND L-LACTALDEHYDE IN RAT LIVER. Biochim Biophys Acta. 1964 Aug 26;89:217-25. [PubMed:14203169 ]
- TING SM, MILLER ON, SELLINGER OZ: THE METABOLISM OF LACTALDEHYDE. VII. THE OXIDATION OF D-LACTALDEHYDE IN RAT LIVER. Biochim Biophys Acta. 1965 Mar 8;97:407-15. [PubMed:14323585 ]
- Akhy MT, Brown CM, Old DC: L-Rhamnose utilisation in Salmonella typhimurium. J Appl Bacteriol. 1984 Apr;56(2):269-74. [PubMed:6373710 ]
- Ros J, Aguilar J: Genetic and structural evidence for the presence of propanediol oxidoreductase isoenzymes in Escherichia coli. J Gen Microbiol. 1984 Mar;130(3):687-92. [PubMed:6427403 ]
- Di Costanzo L, Gomez GA, Christianson DW: Crystal structure of lactaldehyde dehydrogenase from Escherichia coli and inferences regarding substrate and cofactor specificity. J Mol Biol. 2007 Feb 16;366(2):481-93. Epub 2006 Nov 10. [PubMed:17173928 ]
- ENGLESBERG E: Physiological basis for rhamnose utilization by a mutant of Pasteurella pestis. I. Experiments with resting cells; the isolation of lactic aldehyde. J Bacteriol. 1957 Jul;74(1):8-11. [PubMed:13462953 ]
- Chen YM, Chakrabarti T, Lin EC: Constitutive activation of L-fucose genes by an unlinked mutation in Escherichia coli. J Bacteriol. 1984 Aug;159(2):725-9. [PubMed:6378890 ]
- SANDMAN RP, MILLER ON: Studies on the metabolism of lactaldehyde. I. Separation and determination of lactaldehyde and related 3-carbon compounds. J Biol Chem. 1958 Jan;230(1):353-9. [PubMed:13502404 ]
|
---|