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2h-pyrans (37) 37
chemistry, multidisciplinary (30) 30
chemistry, organic (25) 25
derivatives (22) 22
2h-pyran (17) 17
chemistry (15) 15
chemistry, applied (11) 11
chromenes (11) 11
photochemistry (11) 11
biochemistry & molecular biology (10) 10
index medicus (9) 9
pyrans (9) 9
synthesis (9) 9
2,2-diphenyl-5,6-benzochromene (8) 8
acid (8) 8
organic chemistry (8) 8
2h‐pyran‐2‐ones (7) 7
behavior (7) 7
furans (7) 7
one-pot synthesis (7) 7
2h-pyran-2-ones (6) 6
chemistry, physical (6) 6
michael addition (6) 6
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pyran (6) 6
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chemistry, medicinal (5) 5
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green chemistry (5) 5
inorganic chemistry (5) 5
molecular structure (5) 5
photochromism (5) 5
pyridine (5) 5
spectroscopy (5) 5
alkynes (4) 4
alpha,beta-unsaturated carbonyl-compounds (4) 4
alpha,beta-unsaturated ketones (4) 4
analytical chemistry (4) 4
carbene complexes (4) 4
catalysis (4) 4
chemistry/food science, general (4) 4
competition (4) 4
diels-alder reaction (4) 4
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enol ethers (4) 4
humans (4) 4
intramolecular hetero-diels-alder reaction (4) 4
organic-synthesis (4) 4
physical chemistry (4) 4
polycyclic 2h-pyran derivatives (4) 4
theoretical and computational chemistry (4) 4
vibrational-relaxation (4) 4
2h‐pyrans (3) 3
aldehydes (3) 3
analogs (3) 3
analysis (3) 3
animals (3) 3
aqueous-media (3) 3
biochemical research methods (3) 3
complexes (3) 3
cycloaddition (3) 3
cycloisomerization (3) 3
functionalized 3,4-dihydro-2h-pyrans (3) 3
fungi (3) 3
hetero (3) 3
inhibitors (3) 3
intermediate (3) 3
iron compounds (3) 3
ketones (3) 3
magnetic resonance spectroscopy (3) 3
marine sponge (3) 3
matrix (3) 3
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pyranocoumarins (3) 3
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pyridines (3) 3
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pyrones - chemistry (3) 3
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spiro compounds - chemical synthesis (3) 3
spiropyrans (3) 3
stereochemistry (3) 3
stereoselective-synthesis (3) 3
transient absorption (3) 3
valence isomerization (3) 3
water (3) 3
x‐ray crystallography (3) 3
1 methyl 2 quinolone (2) 2
1,3‐dianion equivalents (2) 2
1-oxa-1,3-butadienes (2) 2
1h nmr (2) 2
2-pyridones (2) 2
2h-chromenes (2) 2
2h‐pyran (2) 2
2h‐pyrans, 3,4‐dihydro‐2,4‐dioxo‐ 1 enolate ions 2‐pyrones (2) 2
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Journal of Organic Chemistry, ISSN 0022-3263, 03/2019, Volume 84, Issue 6, pp. 3671 - 3677
The photochemical behavior of several dienones was studied under aerobic conditions. 2-Allylidene-1,3-cycloalkanediones prepared via Knoevenagel-type... 
OXYGEN | PRODUCTS | QINGHAOSU | CHEMISTRY | CHEMISTRY, ORGANIC | SPECTRA | CONCISE SYNTHESIS | ARTEMISININ | DERIVATIVES | 2H-PYRANS | DISCOVERY
Journal Article
Journal of Labelled Compounds and Radiopharmaceuticals, ISSN 0362-4803, 12/2019, Volume 62, Issue 14, pp. 914 - 919
15N‐labelled pyridines are liquid‐ and solid‐state nuclear magnetic resonance (NMR) probes for chemical and biological environments because their 15N chemical... 
isotope labelling | pyridine | lutidine | 2H‐pyran | nitrogen‐15 | 2H‐pyran, nitrogen‐15, isotope labelling, synthesis
Journal Article
Egyptian Journal of Chemistry, ISSN 0449-2285, 2015, Volume 58, Issue 6, pp. 591 - 6087
Journal Article
New Phytologist, ISSN 0028-646X, 3/2016, Volume 209, Issue 4, pp. 1496 - 1512
Journal Article
Journal of King Saud University - Science, ISSN 1018-3647, 01/2015, Volume 27, Issue 1, pp. 1 - 6
In this study, we describe a green and simple procedure for the synthesis of steroidal 2H-pyrans 4–6 using chitosan as an eco-friendly heterogeneous catalyst.... 
Green chemistry | Chitosan | Anticancer | Antioxidant | 2H-pyran
Journal Article
Helvetica Chimica Acta, ISSN 0018-019X, 05/2015, Volume 98, Issue 5, pp. 657 - 662
Two new rare α‐pyrone (=2H‐pyran‐2‐one) derivatives, rhodanthpyrones A and B (1 and 2, resp.), together with fourteen known compounds, 3–16, were isolated from... 
2H‐Pyran‐2‐ones | Rhodanthpyrones A and B | Gentiana rhodantha | 2H-Pyran-2-ones
Journal Article
MOLECULES, ISSN 1420-3049, 08/2019, Volume 24, Issue 16, p. 2904
Journal Article
Advanced Synthesis & Catalysis, ISSN 1615-4150, 12/2016, Volume 358, Issue 24, pp. 4019 - 4029
We report here an indium(III) triflate (In(OTf)3)‐catalyzed Prins‐type cyclization of disubstituted β‐allenols in the presence of aldehydes in dichloromethane... 
aldehydes | 2H-pyrans | β-allenols | Prins reaction | indium(III) triflate | Dichloromethane | Indium | Aldehydes | Chemical synthesis | Synthesis (chemistry) | Catalysts | Efficiency | Formations | Derivatives | Catalysis
Journal Article
Synthesis, ISSN 0039-7881, 2/2006, Volume 2006, Issue 4, pp. 603 - 608
ABSTRACT The total synthesis of biologically active pyranoflavone natural products 1 and 2 was carried out starting from 2H-pyran. The synthesis of... 
paper | Desmethyl isoencecalin | Isoencecalin | β-tubaic acid | Pyranochalcones | Pyranoflavones | 2H-pyran
Journal Article
Steroids, ISSN 0039-128X, 05/2013, Volume 78, Issue 5, pp. 494 - 499
Journal Article
Journal of Medicinal Chemistry, ISSN 0022-2623, 02/2019, Volume 62, Issue 4, pp. 1761 - 1780
Journal Article
Tetrahedron, ISSN 0040-4020, 09/2011, Volume 67, Issue 39, pp. 7618 - 7621
A simple and novel method for synthesis of 5-trifluoromethyl 2,4-dienamides with up to 95% yield under mild condition was first reported. With... 
α,α-Dicyanoalkenes | 5-Trifluoromethyl 2,4-dienamides | Aldol reaction | 2H-Pyran intermediate | Rearrangement | alpha,alpha-Dicyanoalkenes | CHONDROMYCES-SPECIES MYXOBACTERIA | DIELS-ALDER REACTIONS | COMPLEXES | CHEMISTRY, ORGANIC | ALKYNES | MACROLIDES | MARINE SPONGE | ISOCYANATES | AMIDES
Journal Article
Journal of Medicinal Chemistry, ISSN 0022-2623, 10/2016, Volume 59, Issue 19, pp. 9140 - 9149
The synthesis, the enantiomeric separation, and the characterization of new simple spiroketal derivatives have been performed. The synthesized compounds have... 
unclassified drug | thermostability | drug synthesis | apoptosis | in vitro study | MCF 7 cell line | circular dichroism | antiproliferative activity | HL 60 cell line | spiro compound | enantiomer | telomerase inhibitor | human | antineoplastic agent | guanine quadruplex | cell proliferation assay | human cell | 2 hydroxy 8 methyl 1,7 dioxaspiro[5.5]undec 3 en 5 one | article | 2 (furan 2 yl) 6 methyltetrahydro 2h pyran 2 ol | molecular docking | controlled study | antineoplastic activity | HT 29 cell line | stereoisomerism | diastereoisomer | RESVERATROL | CHEMISTRY, MEDICINAL | REVEROMYCINS | BIOLOGICAL-ACTIVITY | EUKARYOTIC CELL-GROWTH | PHARMACOPHORE | OKADAIC ACID | STRUCTURE-BASED DESIGN | Neoplasms - metabolism | G-Quadruplexes - drug effects | Apoptosis - drug effects | Stereoisomerism | Antineoplastic Agents - chemical synthesis | Furans - pharmacology | Humans | Enzyme Inhibitors - pharmacology | Models, Molecular | Structure-Activity Relationship | Antineoplastic Agents - chemistry | Enzyme Inhibitors - chemical synthesis | Neoplasms - drug therapy | Furans - chemistry | Enzyme Inhibitors - chemistry | Spiro Compounds - chemical synthesis | Cell Line, Tumor | Telomerase - metabolism | Antineoplastic Agents - pharmacology | Molecular Docking Simulation | Furans - chemical synthesis | Telomerase - antagonists & inhibitors | Spiro Compounds - chemistry | Spiro Compounds - pharmacology
Journal Article
Applied Organometallic Chemistry, ISSN 0268-2605, 10/2016, Volume 30, Issue 10, pp. 872 - 875
Journal Article
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