Xenobiotic
Record Information
Version2.0
StatusDetected and Quantified
Creation Date2021-11-19 04:36:03 UTC
Update Date2025-10-07 16:07:56 UTC
Metabolite IDMMDBc0033132
Metabolite Identification
Common Name(R)-pantolactone
Description(R)-pantolactone is a chiral lactone, classified as a metabolite in the realm of organic chemistry. Its chemical structure features a hydroxyl group and a carbonyl group, contributing to its reactivity and utility in various synthetic pathways. (R)-pantolactone serves as a crucial intermediate in the biosynthesis of vitamin B5, specifically in the formation of calcium (R)-pantothenate, which is essential for various biological functions. The synthesis of (R)-pantolactone has been achieved through innovative methods, including a resin-supported peptide-catalyzed asymmetric aldol reaction, which allows for its production in just two synthetic steps (PMID:40476661 ). The efficiency of this synthesis is underscored by high diastereoselectivity and asymmetric induction when using (R)-pantolactone as a chiral auxiliary (PMID:34522315 ). Additionally, recombinant expression techniques have provided insights into the catalytic mechanisms involved in its synthesis, particularly through NADPH-dependent conjugated polyketone reductases (PMID:31000167 ). The commercial production of (R)-pantolactone often involves the resolution of racemic pantolactone via lactonase-catalyzed enantioselective hydrolysis (PMID:31000167 ), highlighting its significance in both synthetic and biological contexts.
Structure
Synonyms
ValueSource
(3R)-Dihydro-3-hydroxy-4,4-dimethyl-2(3H)-furanoneChEBI
(R)-Pantoyl lactoneChEBI
2,4-Dihydroxy-3,3-dimethylbutyric acid gamma-lactoneMeSH
PantolactoneMeSH
Pantolactone, (R)-isomerMeSH
Pantolactone, (S)-isomerMeSH
Pantolactone, 2-(14)C-labeled CPD, (+,-)-isomerMeSH
Pantoyl lactoneMeSH
Molecular FormulaC6H10O3
Average Mass130.1418
Monoisotopic Mass130.062994186
IUPAC Name(3R)-3-hydroxy-4,4-dimethyloxolan-2-one
Traditional Namepantolactone
CAS Registry Number599-04-2
SMILES
CC1(C)COC(=O)[C@@H]1O
InChI Identifier
InChI=1S/C6H10O3/c1-6(2)3-9-5(8)4(6)7/h4,7H,3H2,1-2H3/t4-/m0/s1
InChI KeySERHXTVXHNVDKA-BYPYZUCNSA-N