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chemistry, organic (57) 57
hydroxylation (38) 38
enantioselective alpha-hydroxylation (31) 31
enantioselective synthesis (28) 28
chemistry, multidisciplinary (24) 24
diastereoselective syntheses, enantioselective syntheses (22) 22
molecular-oxygen (22) 22
oxidation (22) 22
catalysis (20) 20
alpha-hydroxylation (15) 15
derivatives (15) 15
organocatalysis (15) 15
1,3-dicarbonyl compounds (14) 14
carbonyl-compounds (14) 14
index medicus (13) 13
stereoisomerism (13) 13
aldehydes (12) 12
asymmetric catalysis (10) 10
asymmetric hydroxylation (10) 10
ketones (10) 10
alcohols (9) 9
dicarbonyl compounds (9) 9
indan derivatives (9) 9
keto-esters (9) 9
research (9) 9
asymmetric-synthesis (8) 8
beta-keto-esters (8) 8
chemistry, medicinal (8) 8
molecular structure (8) 8
aminoxylation (7) 7
beta-dicarbonyl compounds (7) 7
biochemistry & molecular biology (7) 7
chemical properties (7) 7
esters (7) 7
organic-synthesis (7) 7
stereoselective-synthesis (7) 7
acid (6) 6
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c-h hydroxylation (6) 6
oxindoles (6) 6
oxygen (6) 6
asymmetric alpha-hydroxylation (5) 5
atom-transfer (5) 5
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catalysis, phase‐transfer catalysis (4) 4
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gated sodium-channels (4) 4
guanidines (4) 4
hydrogenated naphthalene derivatives (4) 4
ketoesters (4) 4
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organic compounds (4) 4
oxaziridines (4) 4
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silyl enol ethers (4) 4
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α-hydroxylation (4) 4
activation (3) 3
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dimethyldioxirane (3) 3
enantioselective conjugate addition (3) 3
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enantioselective michael addition (3) 3
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enzymes (3) 3
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esters - chemistry (3) 3
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iminium salts (3) 3
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CHEMISTRY-A EUROPEAN JOURNAL, ISSN 0947-6539, 11/2016, Volume 22, Issue 48, pp. 17339 - 17344
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 05/2010, Volume 75, Issue 9, pp. 3085 - 3096
Systematic studies of reaction conditions and subsequent optimization led to the identification of important parameters for stereoselectivity in the asymmetric... 
OXIDATION | ENANTIOSELECTIVE FLUORINATION REACTIONS | MECHANISM | 1,3-DICARBONYL COMPOUNDS | ALKYLATION | CHEMISTRY, ORGANIC | KETOESTERS | BETA-KETO-ESTERS | DERIVATIVES | SELECTIVITY | EPOXIDATION | Cyclization | Hydroxylation | Esters - chemistry | Stereoisomerism | Ketones - chemistry | Molecular Structure | Catalysis | Palladium - chemistry
Journal Article
Synlett, ISSN 0936-5214, 10/2018, Volume 29, Issue 17, pp. 2298 - 2300
Journal Article
Bulletin of the Chemical Society of Japan, ISSN 0009-2673, 6/2015, Volume 88, Issue 6, pp. 753 - 762
Nitroso compounds are highly fascinating electrophiles as they are able to selectively transfer both the heteroatoms in a variety of oxidation reactions. Bench... 
HYDROXAMIC ACIDS | KETO-ESTERS | ACYLNITROSO ENE REACTION | DIELS-ALDER REACTION | NITROSO ALDOL REACTION | CARBONYL-COMPOUNDS | ACYL-NITROSO | BETA-DICARBONYL COMPOUNDS | MERGING AEROBIC OXIDATION | CHEMISTRY, MULTIDISCIPLINARY | ENANTIOSELECTIVE HYDROXYAMINATION
Journal Article
Organic Chemistry Frontiers, ISSN 2052-4110, 04/2018, Volume 5, Issue 8, pp. 1325 - 1329
Visible light, in combination with the molecular iodine catalyst-mediated alpha-hydroxylation of alpha-methylene ketones, has been developed. The reaction... 
OXIDATION | ALKENES | ACID | ENANTIOSELECTIVE SYNTHESIS | ATOM-TRANSFER | CHEMISTRY, ORGANIC | CARBONYL-COMPOUNDS | DERIVATIVES | C-H HYDROXYLATION | MOLECULAR-OXYGEN | PHOTOREDOX CATALYSIS | Ketones | Aerobic conditions | Renewable energy | Hydroxylation | Catalysts | Selectivity | Catalysis | Iodine | Methylene
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 02/2012, Volume 53, Issue 9, pp. 1085 - 1088
Protected 1,2,3-triols were prepared by organocatalytic α-hydroxylation of β-hydroxyaldehydes followed by in situ reduction. All diastereoisomers were obtained... 
Hydroxyaldehydes | Hydroxylation | Enantioselectivity | Organocatalysis | 1,2,3-Triols | OXIDATION | ENANTIOSELECTIVE SYNTHESIS | CHEMISTRY, ORGANIC | ALDEHYDES | STEREOSELECTIVE TOTAL-SYNTHESIS | AMINATION | PROLINE | MOLECULAR-OXYGEN | Tetrahedrons | Synthesis (chemistry) | Reduction | Asymmetry
Journal Article
Tetrahedron, ISSN 0040-4020, 03/2017, Volume 73, Issue 12, pp. 1568 - 1575
A diastereoselective route to the synthesis of D-threo-sphinganine, L-erythro-sphinganine and (−)-spisulosine from the higher homologue of Garner's aldehyde... 
Sphingolipid | Asymmetric hydroxylation | Aldehyde | Organocatalysis | Diastereoselectivity | ACID | ENANTIOSELECTIVE SYNTHESIS | CHEMISTRY, ORGANIC | SPHINGOLIPIDS | CERAMIDE | AMINOXYLATION | VICINAL AMINO-ALCOHOLS | SPHINGOSINE | STEREOSELECTIVE-SYNTHESIS | D-RIBO-PHYTOSPHINGOSINE | EFFICIENT
Journal Article
Advanced Synthesis & Catalysis, ISSN 1615-4150, 07/2013, Volume 355, Issue 10, pp. 1924 - 1930
The highly catalytic asymmetric α‐hydroxylation of 1‐tetralone‐derived β‐keto esters and β‐keto amides using tert‐butyl hydroperoxide (TBHP) as the oxidant was... 
α‐hydroxylation | tetralone type substrates | magnesium | N,N′‐dioxide | asymmetric catalysis | α-hydroxylation | N,N′-dioxide | HIGHLY ENANTIOSELECTIVE SYNTHESIS | N-dioxide | ACID | hydroxylation | BOND-FORMING REACTIONS | DICARBONYL COMPOUNDS | CHEMISTRY, ORGANIC | EARTH METAL-CATALYSTS | ALDOL REACTION | DIELS-ALDER REACTION | ENE REACTION | CHEMISTRY, APPLIED | SITE-ISOLATED BASE | CONJUGATE ADDITION
Journal Article
Organic Letters, ISSN 1523-7060, 04/2010, Volume 12, Issue 7, pp. 1496 - 1499
Journal Article
Advanced Synthesis & Catalysis, ISSN 1615-4150, 02/2004, Volume 346, Issue 2‐3, pp. 143 - 151
The most convenient and direct route to α‐hydroxy‐β‐dicarbonyl compounds is the oxidation of readily accessible 1,3‐dicarbonyls. Hence, this type of oxidation... 
oxidation | atom economy | carbonyl compounds | oxygen | reagents | synthetic methods | Carbonyl compounds | Oxygen | Oxidation | Synthetic methods | Atom economy | Reagents | BIOMIMETIC SYNTHESIS | CHLOROPHYLL-A | ENANTIOSELECTIVE SYNTHESIS | 1,3-DICARBONYL COMPOUNDS | ASYMMETRIC HYDROXYLATION | CHEMISTRY, ORGANIC | CARBONYL-COMPOUNDS | KETO-ESTERS | CHEMISTRY | C-ALKYLATION | CHEMISTRY, APPLIED
Journal Article
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, ISSN 1434-193X, 11/2016, Volume 2016, Issue 33, pp. 5502 - 5510
The synthetic utility of proline-catalyzed asymmetric -hydroxylation and subsequent reductive amination of aldehydes to afford chiral -amino alcohols is... 
ASYMMETRIC-SYNTHESIS | Hydroxylation | ENANTIOSELECTIVE SYNTHESIS | NATURAL-PRODUCTS | Proline | BIOLOGICALLY-ACTIVE COMPOUNDS | CHEMISTRY, ORGANIC | Amino acids | ALPHA-AMINO-ACIDS | ALDOL REACTIONS | ENAMINE CATALYSIS | Organocatalysis | Diastereoselectivity | AMINOXYLATION | KETONES | Aldehydes
Journal Article
Tetrahedron: Asymmetry, ISSN 0957-4166, 06/2017, Volume 28, Issue 6, pp. 843 - 848
[Display omitted] An efficient and stereocontrolled synthesis of (20S)-camptothecin and an analogue has been developed. The key feature of this synthesis is... 
(S)-CAMPTOTHECIN | CATALYTIC ENANTIOSELECTIVE SYNTHESIS | PRACTICAL SYNTHESIS | KEY INTERMEDIATE | CHEMISTRY, ORGANIC | CHEMISTRY, PHYSICAL | PLANT ANTITUMOR AGENTS | CAMPTOTHECIN INTERMEDIATE | BETA-KETO-ESTERS | HIGHLY EFFICIENT | CHEMISTRY, INORGANIC & NUCLEAR | PART 3 | 20(S)-CAMPTOTHECIN
Journal Article
Synlett, ISSN 0936-5214, 10/2009, Volume 2009, Issue 16, pp. 2659 - 2662
Abstract Discovering organocatalysts with novel framework from terpenoid alkaloids is presented in this paper. Lappaconitine was found to enantioselectively... 
letter | Lappaconitine | B-keto esters | Organocatalyst | Terpenoid alkaloid | Asymmetric a-hydroxylation | IMINIUM SALTS | OXIDATION | CRYSTAL-STRUCTURE | CHEMISTRY, ORGANIC | beta-keto esters | terpenoid alkaloid | asymmetric alpha-hydroxylation | ALDEHYDES | lappaconitine | ALKENES | ENANTIOSELECTIVE EPOXIDATION | ATOM-TRANSFER | OLEFINS | organocatalyst
Journal Article
Natural Product Communications, ISSN 1934-578X, 2014, Volume 9, Issue 5, pp. 633 - 636
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 03/2019, Volume 60, Issue 12, pp. 820 - 824
[Display omitted] •Cis- and trans-2-substituted-3-hydroxypiperidines are medicinally important.•Green α-hydroxylation and stereoconvergent reduction were... 
α-Hydroxylation | 3-Hydroxypiperidine | Chiral lactam | Stereoconvergent reduction | CONCISE | alpha-Hydroxylation | (-)-DESOXOPROSOPININE | REACTIVITY | CHEMISTRY, ORGANIC | ASYMMETRIC SYNTHESES | ENANTIOSELECTIVE ALPHA-HYDROXYLATION | RECEPTOR ANTAGONIST | REDUCTION | PIPERIDINES | EFFICIENT | DERIVATIVES | Hydroxylation | Chromatography
Journal Article
Organic Letters, ISSN 1523-7060, 07/2017, Volume 19, Issue 13, pp. 3628 - 3631
Transition metal and reductant free α-C­(sp3)–H hydroxylation of carbonyl compounds are reported. This method is promoted by commercially available inexpensive... 
KETONES | CATALYZED OXIDATION | O-2 | KETOAMIDES | ASYMMETRIC HYDROXYLATION | CHEMISTRY, ORGANIC | BIFUNCTIONAL ORGANOCATALYST | ENANTIOSELECTIVE ALPHA-HYDROXYLATION | MOLECULAR-OXYGEN | OXINDOLE DERIVATIVES | OXAZIRIDINE
Journal Article
Tetrahedron: Asymmetry, ISSN 0957-4166, 2005, Volume 16, Issue 21, pp. 3453 - 3459
α-Hydroxy ketones serve as versatile intermediates in organic chemistry. Although this functional group combination allows a variety of synthetic manipulation,... 
ORGANIC-SYNTHESIS | RUO4-CATALYZED KETOHYDROXYLATION | ENANTIOSELECTIVE SYNTHESIS | METATHESIS CATALYSTS | BENZOIN CONDENSATION | CHEMISTRY, ORGANIC | CHEMISTRY, PHYSICAL | CHEMISTRY, INORGANIC & NUCLEAR | RUTHENIUM-CATALYZED DIHYDROXYLATION | ASYMMETRIC DIHYDROXYLATION | CIS-DIHYDROXYLATION | OLEFINS | PERACETIC-ACID
Journal Article
Journal of Organic Chemistry, ISSN 0022-3263, 02/2019, Volume 84, Issue 4, pp. 2316 - 2324
Base-catalyzed efficient hydroxylation of isoquinoline-1,3(2H,4H)-diones with air under transition-metal-free and reductant-free conditions was established.... 
METHACRYLOYL BENZAMIDES | DESIGN | POTENT | SELECTIVE INHIBITORS | CHEMISTRY, ORGANIC | ENANTIOSELECTIVE ALPHA-HYDROXYLATION | C-H HYDROXYLATION | CYCLIZATION
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 10/2018, Volume 83, Issue 19, pp. 11987 - 11999
Dynamic kinetic resolution (DKR)-driven asymmetric transfer hydrogenation of 5-alkyl cyclic sulfamidate imine produces the corresponding sulfamidate with... 
KETONES | ENANTIOSELECTIVE SYNTHESIS | NOREPHEDRINE | MECHANISM | ALPHA-HYDROXYLATION | SULFAMIDATE-5-CARBOXYLATES | CHEMISTRY, ORGANIC | 1,3-DISUBSTITUTED ISOINDOLINES | OXIDATIVE OLEFINATION-CYCLIZATION
Journal Article
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