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chemistry, organic (41) 41
catalysis (32) 32
chemistry (26) 26
index medicus (26) 26
vitamin b12 (23) 23
derivatives (20) 20
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transporting (11) 11
vitamin b 12 - chemistry (11) 11
cobalamin (10) 10
molecular structure (10) 10
organocatalysis (10) 10
chemical properties (9) 9
compositions based thereon (9) 9
devices or arrangements, the optical operation of which ismodified by changing the optical properties of the medium of thedevices or arrangements for the control of the intensity,colour, phase, polarisation or direction of light, e.g.switching, gating, modulating or demodulating (9) 9
frequency-changing (9) 9
macromolecular compounds obtained otherwise than by reactionsonly involving unsaturated carbon-to-carbon bonds (9) 9
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chemical synthesis (8) 8
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acids (7) 7
amides (7) 7
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cycloaddition (7) 7
humans (7) 7
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vitamin b (6) 6
activation (5) 5
copper - chemistry (5) 5
cyanocobalamin (5) 5
diastereoselective syntheses, enantioselective syntheses (5) 5
efficient synthesis (5) 5
electrochemistry (5) 5
ketones (5) 5
photoredox catalysis (5) 5
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vitamin b 12 - analogs & derivatives (5) 5
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vitamin b-12 (5) 5
aldol reaction (4) 4
alkenes (4) 4
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aminolysis (4) 4
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Advanced Synthesis & Catalysis, ISSN 1615-4150, 10/2017, Volume 359, Issue 20, pp. 3470 - 3470
The inside cover picture, provided by Michał Ociepa, Oskar Baka, Jakub Narodowiec, and Dorota Gryko, features a light‐driven, cobalt(I)‐catalyzed method... 
catalysis | Giese-type acylation | cobalt | acyl radicals | cobalamin | Carbon-carbon composites | Thioesters | Alkenes | Photolysis | Cobalt compounds | Vitamin B12 | Cobalt | Radicals | Acylation
Journal Article
Chemical Reviews, ISSN 0009-2665, 02/2017, Volume 117, Issue 4, pp. 3102 - 3137
Corroles have come a long way from being a curiosity to being a mainstream research topic. They are now regularly synthesized in numerous research laboratories... 
PORPHYRIN-FORMING REACTIONS | ONE-FLASK SYNTHESIS | TRANSITION-METAL CORROLES | ONE-POT SYNTHESIS | MESOSUBSTITUTED CORROLES | EFFICIENT SYNTHESIS | 1ST DIRECT SYNTHESIS | RING CONTRACTION | CHEMISTRY, MULTIDISCIPLINARY | CORE-MODIFIED CORROLES | DIFFERENT MESO SUBSTITUENTS
Journal Article
Advanced Synthesis & Catalysis, ISSN 1615-4150, 10/2017, Volume 359, Issue 20, pp. 3560 - 3565
Acyl radicals are invaluable intermediates in organic synthesis, however their generation remains challenging. Herein, we present an unprecedented... 
catalysis | Giese-type acylation | cobalt | acyl radicals | cobalamin | Catalysis | Cobalt | Vitamins | Acylation | Thioesters | Alkenes | Photolysis | Vitamin B12 | Functional groups | Radicals
Journal Article
Chemistry - A European Journal, ISSN 0947-6539, 04/2013, Volume 19, Issue 16, pp. 5141 - 5148
Journal Article
Chemical Society Reviews, ISSN 0306-0012, 06/2015, Volume 44, Issue 11, pp. 3391 - 3404
Vitamin B-12 (cobalamin, 1) is one of a few naturally occurring organometallic molecules. As a cofactor for adenosylcobalamin-dependent and... 
ELECTROCHEMICAL REACTIONS | HYDROPHOBIC VITAMIN-B-12 | MICROEMULSIONS | DEHALOGENATION | COMPLEXES | CYCLOPROPANATION | OLEFINS | COBALAMIN | DERIVATIVES | CHEMISTRY, MULTIDISCIPLINARY | REDUCTIVE DECHLORINATION
Journal Article
Chemistry: A European Journal, ISSN 0947-6539, 04/2013, Volume 19, Issue 16, pp. 5141 - 5148
A "clickable" vitaminB sub(12) derivative possessing the azide functionality at the 5'-position was synthesized by means of a two-step procedure on the gram... 
Cycloaddition | Triazoles | Chlorides | X-rays | Derivatives
Journal Article
Chemical Reviews, ISSN 0009-2665, 02/2017, Volume 117, Issue 4, pp. 3102 - 3102
Corroles have come a long way from being a curiosity to being a mainstream research topic. They are now regularly synthesized in numerous research laboratories... 
Synthesis | Laboratories | Tables | Strategy
Journal Article
Chemical Reviews, ISSN 0009-2665, 02/2017, Volume 117, Issue 4, p. 3102
  Corroles have come a long way from being a curiosity to being a mainstream research topic. They are now regularly synthesized in numerous research... 
Chemistry | Chemical reactions | Chemical compounds
Journal Article
Journal of Porphyrins and Phthalocyanines, ISSN 1088-4246, 04/2019, Volume 23, Issue 4n05, pp. 554 - 560
Cobyric acid and cobinamide are valuable building blocks for the synthesis of artificial cobalamins modified at the nucleotide loop. However, truncated vitamin... 
Journal Article
Accounts of Chemical Research, ISSN 0001-4842, 09/2017, Volume 50, Issue 9, pp. 2334 - 2345
Progress in organic optoelectronics requires compounds possessing a suitable combination of photo-physical and electronic properties. Another key constraint... 
QUADRUPOLAR | SOLVATOFLUOROCHROMISM | BOND FORMATION | ARYL | HETEROACENES | PYRROLES | CHEMISTRY, MULTIDISCIPLINARY | SYMMETRY-BREAKING
Journal Article
Chemical Society Reviews, ISSN 0306-0012, 08/2013, Volume 42, Issue 16, pp. 6605 - 6619
Vitamin B12 plays a key role in many metabolic processes occurring in all mammals. Over the years its biological role has been extensively studied generating a... 
Vitamin B 12 - chemistry | Cobamides - chemistry | Vitamin B 12 - analogs & derivatives | Vitamin B 12 - metabolism | Cobalt - chemistry | Lactams - chemistry | Lactones - chemistry
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 10/2019
Journal Article
European Journal of Organic Chemistry, ISSN 1434-193X, 04/2017, Volume 2017, Issue 15, pp. 2104 - 2107
Organic dyes are a promising class of photoredox catalysts and offer a meaningful alternative to broadly applied Ru and Ir complexes. We found that porphyrins... 
Porphyrinoids | Heterocycles | C–H activation | Diazonium salts | Macrocycles | Photocatalysis | ELECTROCHEMISTRY | TETRAARYLPORPHYRINS | LIGHT | CHEMISTRY, ORGANIC | POTENTIALS | SOLVENT | PHOTOREDOX CATALYSIS | PROTONATION/DEPROTONATION | SUBSTITUENT | C-H activation | SPECTROELECTROCHEMISTRY | SPECTRA | Coumarins | Diazo compounds | Porphyrins
Journal Article
European Journal of Organic Chemistry, ISSN 1434-193X, 01/2019, Volume 2019, Issue 2-3, pp. 469 - 477
The nucleotide loop in the vitamin B12 structure affects its biological and physicochemical properties, but its role in cobalamin‐catalysed reactions still... 
Cobalamin | Catalysis | Base‐off | Vitamin B12 | Cobinamide | Base-off | ADENOSYLCOBINAMIDE | ADENOSYLCOBALAMIN | CHEMISTRY, ORGANIC | COORDINATION | MODEL | PHOSPHATE | COENZYME B-12 | BASE-OFF ANALOG | DERIVATIVES
Journal Article
Organic and Biomolecular Chemistry, ISSN 1477-0520, 1/2019, Volume 17, Issue 3, pp. 432 - 448
Journal Article
Chemistry – A European Journal, ISSN 0947-6539, 07/2018, Volume 24, Issue 41, p. n/a
Vitamin B12 and its derivatives present excellent paradigms for bioinspired catalysis. In their Full Paper on page 10344 ff., V. I. Vullev, D. Gryko et al.... 
natural products | cobalt | vitamin B12 | substituent effects | cis-effect | Catalysis | Derivatives | Vitamin B12 | Optical properties
Journal Article
BEILSTEIN JOURNAL OF ORGANIC CHEMISTRY, ISSN 1860-5397, 08/2019, Volume 15, Issue 1, pp. 2076 - 2084
Organocatalytic alpha-oxygenation of chiral aldehydes with photochemically generated singlet oxygen allows synthesizing chiral 3-substituted 1,2-diols.... 
OXIDATION | CATALYSIS | ROUTE | ECD | ARYLATION | CHEMISTRY, ORGANIC | IMINIUM | porphyrins | organocatalysis | KETONES | enamines | singlet oxygen | BETA-ALKYLATION | silyl ethers of diarylprolinols | MECHANISTIC INSIGHTS | ENE REACTION | 1,2-diols | Oxygen | Catalysts | Absolute configuration | Ligands | Oxygenation | Ethers | Aldehydes | Chromatography | Optimization | Circular dichroism
Journal Article
Tetrahedron: Asymmetry, ISSN 0957-4166, 2005, Volume 16, Issue 7, pp. 1377 - 1383
The domino Michael-aldol reaction of 1,3-diketones with MVK in the presence of -proline furnished highly substituted cyclohexanones in a regio- and... 
BETA-NITROSTYRENES | AMINO-ALCOHOLS | ALPHA,BETA-UNSATURATED KETONES | 1,3-DICARBONYL COMPOUNDS | CHEMISTRY, ORGANIC | CHEMISTRY, PHYSICAL | ALDEHYDES | AMINOXYLATION | CHEMISTRY, INORGANIC & NUCLEAR | ASYMMETRIC ALPHA-AMINATION | DOMINO MICHAEL-ALDOL | STEREOSELECTIVE-SYNTHESIS | CONJUGATE ADDITION
Journal Article
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