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chemistry (54) 54
physical sciences (46) 46
science & technology (46) 46
ring closure reactions (41) 41
enaminones (32) 32
organic chemistry (28) 28
pyrazole derivatives (27) 27
synthesis (25) 25
chemistry, organic (21) 21
amino acids (19) 19
fused pyridine derivatives (19) 19
heterocycles (19) 19
chemistry, multidisciplinary (17) 17
cyclization (17) 17
fused pyrimidine derivatives (14) 14
alkaloids (13) 13
catalysis (13) 13
cycloaddition reactions (13) 13
azomethine imines (12) 12
derivatives (11) 11
organic chemistry, review (11) 11
pyridine derivatives (11) 11
chemical properties (10) 10
heterocyclic compounds (10) 10
amines (9) 9
camphor (9) 9
chemical synthesis (8) 8
cycloadditions (8) 8
histamine analogues (8) 8
hydrazines (8) 8
molecular structure (8) 8
pyrazoles (8) 8
pyridine (8) 8
pyrrole derivatives (8) 8
amino acids, peptides (7) 7
esters (7) 7
life sciences & biomedicine (7) 7
metallurgy (7) 7
pyrimidines (7) 7
tetrahedrons (7) 7
cyclisation (6) 6
imidazole derivatives (6) 6
indole derivatives, isoindole derivatives (6) 6
natural products (6) 6
parallel synthesis (6) 6
pyran derivatives (6) 6
pyrazolidinones (6) 6
pyridazine derivatives (6) 6
research (6) 6
1,3-dipolar cycloadditions (5) 5
3-pyrazolidinones (5) 5
amidation (5) 5
aromatic compounds (5) 5
benzopyran derivatives (5) 5
biochemistry & molecular biology (5) 5
chemistry, physical (5) 5
cyclizations (5) 5
cycloaddition (5) 5
c‐c bond formation (5) 5
dimethylamino (5) 5
organocatalysis (5) 5
pyrazole (5) 5
stereochemistry (5) 5
terpenes (5) 5
transformations (5) 5
[2+2] cycloaddition (4) 4
alkylation (4) 4
amides - chemical synthesis (4) 4
amines - chemistry (4) 4
aminocarboxylic acids and esters (4) 4
camphor-derived amines (4) 4
chemistry, medicinal (4) 4
combinatorial chemistry techniques (4) 4
combinatorial chemistry techniques - methods (4) 4
crystallography, x-ray (4) 4
cyclisations (4) 4
diamines (4) 4
diastereoselective syntheses, enantioselective syntheses (4) 4
e/z‐selectivity (4) 4
enaminone methodology (4) 4
general (4) 4
human necessities (4) 4
hydantoins (4) 4
hygiene (4) 4
imines (4) 4
ketones (4) 4
medical or veterinary science (4) 4
microwave chemistry, sonochemistry, mechanochemistry (4) 4
oxo (4) 4
pharmacology & pharmacy (4) 4
preparations for medical, dental, or toilet purposes (4) 4
pyrazoles - chemical synthesis (4) 4
pyrazoles - chemistry (4) 4
pyrazolidin-3-ones (4) 4
reduction (4) 4
ring contraction (4) 4
stereoisomerism (4) 4
x-rays (4) 4
1h (3) 3
3-propenoates (3) 3
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Journal Article
Monatshefte für Chemie, ISSN 0026-9247, 6/2004, Volume 135, Issue 6, pp. 629 - 647
...Monatshefte f€ u ur Chemie 135, 629–647 (2004) DOI 10.1007/s00706-003-0133-y Ex-Chiral Pool Enaminones in the Synthesis of Functionalised Heterocycles y Jurij... 
Nucleosides | Amino acids | Cyclisations | Chemistry | Enaminones | Terpenes
Journal Article
Australian journal of chemistry, ISSN 0004-9425, 2009, Volume 62, Issue 12, pp. 1661 - 1666
... ∗ )- 4-Benzamido-5-phenylpyrazolidin-3-on-1-azomethine Imines to Ethyl Propiolate Lidija Pezdirc, A Branko Stanovnik, A and Jurij Svete A,B A Faculty of Chemistry and Chemical Technology, University of Ljubljana... 
Journal Article
ISSN 1359-7345, 3/2019, Volume 55, Issue 26, pp. 3765 - 3768
We have identified tryptophan-based selective nanomolar butyrylcholinesterase (BChE) inhibitors. They are defined according to their chemical modularity, novel... 
Journal Article
Chemical reviews, ISSN 0009-2665, 05/2004, Volume 104, Issue 5, pp. 2433 - 2480
  For more than a century, 1,3-dicarbonyl compounds and their derivatives have been some of the most versatile and frequently employed C3 synthons in organic,... 
Physical Sciences | Chemistry | Chemistry, Multidisciplinary | Science & Technology | Alkanes | Chemical properties | Chemical synthesis | Organic chemistry
Journal Article
Acta chimica Slovenica, ISSN 1318-0207, 2017, Volume 64, Issue 4, pp. 715 - 726
Synthetic approaches towards novel 3-pyrazolidinone derivatives functionalized at positions N(1) and/or C(5) were studied. 5-Aminoalkyl-3-pyrazolidinones were... 
Heterocycles | Amino acids | Synthesis | 3-Pyrazolidinones | Cyclization | Physical Sciences | Chemistry | Chemistry, Multidisciplinary | Science & Technology | synthesis | imidazo[1,5–b]pyrazole | heterocycles | cyclization | amino acids
Journal Article
Current Organic Chemistry, ISSN 1385-2728, 07/2011, Volume 15, Issue 14, pp. 2530 - 2539
Microwave-assisted [2+2] cycloadditions of (E)-3-dimethylamino-1-substituted prop-2-en-1-ones, prepared from carbocyclic, aromatic and heteroaromatic methyl... 
[2+2] cycloaddition | 1-heteroaroyl-1 | (E)-3-dimethylamino-1-heteroaryl-prop-2-en-1-ones | 3-butadienes | Physical Sciences | Chemistry | Chemistry, Organic | Science & Technology
Journal Article
Mini-reviews in organic chemistry, ISSN 1570-193X, 07/2005, Volume 2, Issue 3, pp. 211 - 224
Aplysinopsins and meridianines have been isolated from various marine organisms. They exhibit interesting biological activity, such as cytotoxicity and... 
Marine organisms | Alkaloids | Meridianines | Natural products | Aplysinopsins | Physical Sciences | Chemistry | Chemistry, Organic | Science & Technology
Journal Article
Molecules (Basel, Switzerland), ISSN 1420-3049, 05/2012, Volume 17, Issue 5, pp. 5363 - 5384
Journal Article
Molecules (Basel, Switzerland), ISSN 1420-3049, 07/2020, Volume 25, Issue 13, p. 2978
Journal Article
ARKIVOC free online journal of organic chemistry, ISSN 1551-7004, 04/2015, Volume 2015, Issue 6, pp. 175 - 205
An account of recent developments in the field of 3-pyrazolidinone chemistry is given with special focus on the synthesis and transformations of 5-substituted... 
Peptide mimetics | Cyclizations | Cycloadditions | Pyrazolidinones | Fused pyrimidines | Physical Sciences | Chemistry | Chemistry, Organic | Science & Technology
Journal Article
Synthesis (Stuttgart), ISSN 0039-7881, 2018, Volume 50, Issue 23, pp. 4501 - 4524
Journal Article
Advanced synthesis & catalysis, ISSN 1615-4150, 03/2018, Volume 360, Issue 6, pp. 1072 - 1076
Racemic Δ2‐pyrrolin‐4‐ones (i. e. 4‐pyrrolones), easily available in two steps from N‐protected α‐amino acids, undergo organocatalysed asymmetric Mannich‐type... 
asymmetric organocatalysis | pyrrolin-4-ones | tetrasubstituted stereocenters | Mannich reaction | amino acids | Amino acids | Imines | Substrates | Adducts
Journal Article
Advanced synthesis & catalysis, ISSN 1615-4150, 11/2019, Volume 361, Issue 22, pp. 5118 - 5126
Δ2‐Pyrrolin‐4‐ones undergo organocatalyzed sulfa‐Michael/aldol domino spirocyclizations with mercaptoacetaldehyde dimer. The products contain three contiguous... 
organic catalysis | asymmetric catalysis | pyrrolin-4-one | domino reaction | spiro compounds | Dimers | Enantiomers | Aldehydes | Configurations | Natural products
Journal Article