[go: up one dir, main page]

Dehli et al., 2002 - Google Patents

Preparation of enantiopure ketones and alcohols containing a quaternary stereocenter through parallel kinetic resolution of β-keto nitriles

Dehli et al., 2002

Document ID
8993585474680858347
Author
Dehli J
Gotor V
Publication year
Publication venue
The Journal of Organic Chemistry

External Links

Snippet

Racemic 1-methyl-2-oxocycloalkanecarbonitriles have been subjected to bioreduction by the fungus Mortierella isabellina NRRL 1757 through a parallel kinetic-resolution process. The u and l alcohols thus obtained (up to> 99% ee) were easily separated and oxidized to …
Continue reading at pubs.acs.org (other versions)

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P41/00Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture
    • C12P41/003Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture by ester formation, lactone formation or the inverse reactions
    • C12P41/004Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture by ester formation, lactone formation or the inverse reactions by esterification of alcohol- or thiol groups in the enantiomers or the inverse reaction
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00Preparation of oxygen-containing organic compounds
    • C12P7/02Preparation of oxygen-containing organic compounds containing a hydroxy group
    • C12P7/22Preparation of oxygen-containing organic compounds containing a hydroxy group aromatic
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00Preparation of oxygen-containing organic compounds
    • C12P7/24Preparation of oxygen-containing organic compounds containing a carbonyl group
    • C12P7/26Ketones
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B53/00Asymmetric syntheses
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P41/00Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture
    • C12P41/003Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture by ester formation, lactone formation or the inverse reactions
    • C12P41/005Processes using enzymes or micro-organisms to separate optical isomers from a racemic mixture by ester formation, lactone formation or the inverse reactions by esterification of carboxylic acid groups in the enantiomers or the inverse reaction
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12PFERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P7/00Preparation of oxygen-containing organic compounds
    • C12P7/40Preparation of oxygen-containing organic compounds containing a carboxyl group including Peroxycarboxylic acids
    • C12P7/42Hydroxy-carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07BGENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
    • C07B2200/00Indexing scheme relating to specific properties of organic compounds
    • C07B2200/07Optical isomers

Similar Documents

Publication Publication Date Title
van der Deen et al. Lipase-Catalyzed Second-Order Asymmetric Transformations as Resolution and Synthesis Strategies for Chiral 5-(Acyloxy)-2 (5 H)-Furanone and Pyrrolinone Synthons
Träff et al. A chemoenzymatic dynamic kinetic resolution approach to enantiomerically pure (R)-and (S)-duloxetine
Read de Alaniz et al. A highly enantio-and diastereoselective catalytic intramolecular Stetter reaction
Kim et al. Air-stable racemization catalyst for dynamic kinetic resolution of secondary alcohols at room temperature
Qabaja et al. Facile synthesis of versatile enantioenriched α-substituted hydroxy esters through a Brønsted acid catalyzed kinetic resolution
Kato et al. Microbial deracemization of α-substituted carboxylic acids: substrate specificity and mechanistic investigation
Hoyos et al. Dynamic kinetic resolution of benzoins by lipase− metal combo catalysis
Chen et al. Preparation of optically active tertiary alcohols by enzymatic methods. Application to the synthesis of drugs and natural products
Ramachandran et al. Selective reductions. 59. Effective intramolecular asymmetric reductions of α-, β-, and γ-keto acids with diisopinocampheylborane and intermolecular asymmetric reductions of the corresponding esters with B-chlorodiisopinocampheylborane
Guo et al. Highly diastereo-and enantioselective tandem reaction toward functionalized pyrrolidines with multiple stereocenters
Cherng et al. Pinane-type tridentate reagents for enantioselective reactions: Reduction of ketones and addition of diethylzinc to aldehydes
Dehli et al. Preparation of enantiopure ketones and alcohols containing a quaternary stereocenter through parallel kinetic resolution of β-keto nitriles
Jung et al. Practical ruthenium/lipase-catalyzed asymmetric transformations of ketones and enol acetates to chiral acetates
Yoshikawa et al. Diastereo-and Enantioselective Direct Catalytic Aldol Reaction of 2-Hydroxyacetophenones with Aldehydes Promoted by a Heteropolymetallic Complex: Catalytic Asymmetric Synthesis of a nti-1, 2-Diols
Norinder et al. An enantioselective route to α-methyl carboxylic acids via metal and enzyme catalysis
Vanderwal et al. Postulated biogenesis of WS9885B and progress toward an enantioselective synthesis
Dussault et al. Total Synthesis of the Alkoxydioxines (+)-and (−)-Chondrillin and (+)-and (−)-Plakorin via Singlet Oxygenation/Radical Rearrangement
Bertozzi et al. A new catalytic and enantioselective desymmetrization of symmetrical methylidene cycloalkene oxides
Martín-Matute et al. Ruthenium-and enzyme-catalyzed dynamic kinetic asymmetric transformation of 1, 4-diols: Synthesis of γ-hydroxy ketones
Raghavan et al. Convergent Synthesis of the Dihydropyran Core Containing the C1–C15 Subunit of Sorangicin A Employing Gold (I)-Catalyzed Cyclization of an Allenic Alcohol
Thalén et al. Enantioselective synthesis of α-methyl carboxylic acids from readily available starting materials via chemoenzymatic dynamic kinetic resolution
Paull et al. An asymmetric, bifunctional catalytic approach to non-natural α-amino acid derivatives
Nelson et al. Nonactin biosynthesis: the initial committed step is the condensation of acetate (malonate) and succinate
Chu et al. Novel camphor-derived chiral auxiliaries: Significant solvent and additive effects on asymmetric reduction of chiral α-keto esters
Cho et al. Enantioselective synthesis of 2-substituted cyclobutanones