X
Search Filters
Format Format
Subjects Subjects
Subjects Subjects
X
Sort by Item Count (A-Z)
Filter by Count
chemistry (52) 52
organic chemistry (41) 41
metallurgy (39) 39
heterocyclic compounds (38) 38
chemistry, organic (36) 36
human necessities (36) 36
hygiene (33) 33
medical or veterinary science (33) 33
preparations for medical, dental, or toilet purposes (33) 33
chemistry, multidisciplinary (27) 27
specific therapeutic activity of chemical compounds ormedicinal preparations (23) 23
index medicus (22) 22
article (14) 14
rearrangement (14) 14
synthesis (14) 14
catalysis (12) 12
cyclization (12) 12
ring expansion (11) 11
acyclic or carbocyclic compounds (10) 10
asymmetric-synthesis (10) 10
molecular structure (10) 10
research (10) 10
stereoisomerism (10) 10
animals (9) 9
organic chemistry, review (9) 9
total synthesis (9) 9
vinigrol (9) 9
humans (8) 8
nanotechnology (8) 8
natural products (8) 8
olefins (8) 8
organic compounds (8) 8
aldehydes (7) 7
chemistry, medicinal (7) 7
copper (7) 7
core (7) 7
mice (7) 7
totalsynthesen (7) 7
construction (6) 6
discovery (6) 6
drugs (6) 6
manufacture or treatment of nanostructures (6) 6
measurement or analysis of nanostructures (6) 6
mechanistic-insights (6) 6
oxidation (6) 6
oxiranes (6) 6
performing operations (6) 6
skeleton (6) 6
specific uses or applications of nanostructures (6) 6
stereoselective-synthesis (6) 6
streptomyces sp mk929-43f1 (6) 6
transporting (6) 6
alcohols (5) 5
asymmetry (5) 5
biochemistry & molecular biology (5) 5
cell line, tumor (5) 5
chemical properties (5) 5
chemical synthesis (5) 5
copper - chemistry (5) 5
diterpenes - chemical synthesis (5) 5
furan derivatives (5) 5
heterocycles (5) 5
ketones (5) 5
naturstoffe (5) 5
oxidation-reduction (5) 5
oxidative dearomatization (5) 5
ring-system (5) 5
route (5) 5
structure-activity relationship (5) 5
terpenes (5) 5
14-membered ring macrolide (4) 4
analogs (4) 4
cancer (4) 4
catalysts (4) 4
compounds thereof (4) 4
cycloaddition (4) 4
derivatives thereof (4) 4
diastereoselective syntheses, enantioselective syntheses (4) 4
diterpenes - chemistry (4) 4
drug approval (4) 4
enantiomers (4) 4
epoxy compounds - chemistry (4) 4
fragmentation (4) 4
inorganic chemistry (4) 4
macrolides - chemical synthesis (4) 4
nitrogen (4) 4
non-metallic elements (4) 4
nucleic acids (4) 4
nucleophiles (4) 4
nucleosides (4) 4
nucleotides (4) 4
organic-synthesis (4) 4
oxirane (4) 4
pharmacology (4) 4
phenols (4) 4
piperidones - chemical synthesis (4) 4
pyrrole derivatives (4) 4
ras farnesylation inhibitors (4) 4
rearrangements (4) 4
reduction (4) 4
more...
Language Language
Publication Date Publication Date
Click on a bar to filter by decade
Slide to change publication date range


Angewandte Chemie, ISSN 0044-8249, 04/2014, Volume 126, Issue 17, pp. 4364 - 4366
Journal Article
Journal of Medicinal Chemistry, ISSN 0022-2623, 12/2014, Volume 57, Issue 24, pp. 10257 - 10274
Nitrogen heterocycles are among the most significant structural components of pharmaceuticals. Analysis of our database of U.S. FDA approved drugs reveals that... 
DRUG | REARRANGEMENT | CHEMISTRY, MEDICINAL | PHARMACOKINETICS | ROUTES | MORPHINE | PHARMACOLOGY | CEPHEMS | UPDATE | Catalysis | Heterocyclic Compounds - chemistry | Nitrogen - chemistry | Pharmaceutical Preparations - analysis | United States | United States Food and Drug Administration
Journal Article
Journal of Medicinal Chemistry, ISSN 0022-2623, 04/2014, Volume 57, Issue 7, pp. 2832 - 2842
Among carbon, hydrogen, oxygen, and nitrogen, sulfur and fluorine are both leading constituents of the pharmaceuticals that comprise our medicinal history. In... 
CHEMISTRY | CHEMISTRY, MEDICINAL | AGENTS | BIOLOGICAL-ACTIVITY | Animals | United States | Humans | Drug Design | Pharmaceutical Preparations - chemistry | Data Mining | Drug Approval | Drug Discovery | Evaluation Studies as Topic | Fluorine - chemistry | United States Food and Drug Administration | Sulfur - chemistry
Journal Article
Synlett, ISSN 0936-5214, 04/2013, Volume 24, Issue 7, pp. 787 - 803
Abstract This account summarizes the Njardarson group ring expansion journey from early vinyl oxirane explorations to the latest vinyl oxetane ring expansion... 
account | aziridines | oxiranes | thiiranes | strained rings | ring expansion | catalysis | oxetanes | ASYMMETRIC-SYNTHESIS | FORMAL SYNTHESIS | PYRROLIZIDINE ALKALOIDS | CHEMISTRY, ORGANIC | CARBONYL-COMPOUNDS | THUJA-STANDISHII | VINYL OXIRANES | COPPER(II) COMPLEXES | ELECTRON-TRANSFER | CHIRAL BRONSTED ACID | MECHANISTIC-INSIGHTS
Journal Article
Journal of Medicinal Chemistry, ISSN 0022-2623, 12/2014, Volume 57, Issue 23, pp. 9764 - 9773
The diversity of elements among U.S. Food and Drug Administration (FDA) approved pharmaceuticals is analyzed and reported, with a focus on atoms other than... 
United States | Chlorine - chemistry | Phosphorus - chemistry | Drug Approval | Pharmaceutical Preparations - analysis | Fluorine - chemistry | United States Food and Drug Administration | Sulfur - chemistry
Journal Article
European Journal of Organic Chemistry, ISSN 1434-193X, 08/2016, Volume 2016, Issue 22, pp. 3679 - 3683
Catechol mono‐ethers are an important class of phenols. They are found in a number of pharmaceuticals, flavoring agents, perfumes, and are used for the... 
C–H substitution | Oxidative dearomatization | Regioselectivity | Alkylation | Radicals | DIRECTING GROUP | C-H substitution | DIRECT ARYLATION | EFFICIENT SYNTHESIS | CHEMISTRY, ORGANIC | RADICAL-ADDITION | ORGANOBORANES | PHENOL DERIVATIVES | U-SHAPED TEMPLATE | OLEFINATION | ORTHOQUINONE MONOKETALS | DEAROMATIZATION | Flavoring essences
Journal Article
ACS Catalysis, ISSN 2155-5435, 02/2013, Volume 3, Issue 2, pp. 272 - 286
Journal Article
Organic and Biomolecular Chemistry, ISSN 1477-0520, 6/2018, Volume 16, Issue 23, pp. 421 - 4222
Synthetic approaches toward the complex natural product diterpenoid maoecrystal V are reviewed, including successful total syntheses, published synthetic... 
DIELS-ALDER APPROACH | CORE | ISODON-ERIOCALYX | CHEMISTRY, ORGANIC | C-H FUNCTIONALIZATION | (-)-MAOECRYSTAL V | SKELETON | Molecular chains | Dissertations
Journal Article
Organic Letters, ISSN 1523-7060, 08/2018, Volume 20, Issue 15, pp. 4718 - 4718
Journal Article
European Journal of Organic Chemistry, ISSN 1434-193X, 08/2016, Volume 2016, Issue 22, pp. 3679 - 3683
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 11/2015, Volume 54, Issue 46, p. 13706
An asymmetric [3+2] annulation reaction to form 3-pyrroline products is reported. Upon treatment with lithium diisopropylamide, readily available ethyl... 
Schiff bases | Synthesis | Chemical tests and reagents | Enantiomers | Aldehydes | Lithium compounds | Organic compounds
Journal Article
European Journal of Organic Chemistry, ISSN 1434-193X, 09/2016, Volume 2016, Issue 25, pp. 4249 - 4259
Journal Article
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 06/2012, Volume 51, Issue 23, pp. 5675 - 5678
Acid Showdown! The first catalytic ring expansion of vinyl oxetanes to 3,6‐dihydro‐2H‐pyrans is described. Copper(II) triflate emerged as the best catalyst for... 
chiral counterions | copper | vinyl oxetanes | homogeneous catalysis | ring expansion | COMPLEX | ACIDS | ALDEHYDES | CYCLOADDITION-ALLYLIC REARRANGEMENT | KETENE | CHEMISTRY, MULTIDISCIPLINARY | Transformations | Synthesis | Catalysis | Asymmetry | Catalysts
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 02/2016, Volume 55, Issue 6, pp. 2243 - 2247
Journal Article
Nature Chemistry, ISSN 1755-4330, 08/2012, Volume 4, Issue 8, pp. 590 - 590
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 12/2013, Volume 54, Issue 51, pp. 7080 - 7082
A trifluoroethyl (TFE) ether is specifically introduced as a protecting group in organic chemistry. Its first strategic application and removal in the total... 
Dihydroxylation | Difluorovinyl | Trifluoroethyl ether | Electrophilic oxygen | Deprotection | OXIDATION | ORGANIC-SYNTHESIS | ROUTE | REAGENTS | CHEMISTRY, ORGANIC | CONTAINING BUILDING-BLOCKS | KETONES | ALPHA-HYDROXYLATION | VINIGROL | AMIDES | PEROXIDE | Organic chemistry | Tetrahedrons | Strategy | Lithium | Ethers | Catalytic converters | Readers | Osmium
Journal Article
Angewandte Chemie International Edition, ISSN 1433-7851, 08/2013, Volume 52, Issue 33, pp. 8648 - 8651
Carbocyclic cage fight: The substrate‐controlled total synthesis of vinigrol features a strategic oxidative dearomatization/Diels–Alder cycloaddition reaction... 
natural products | terpenoids | total synthesis | hydrogenation | dearomatization | OXIDATION | FUNGUS | REACTIVITY | RING-SYSTEM | CHEMISTRY, MULTIDISCIPLINARY | SKELETON | REARRANGEMENT | KETONES | CONSTRUCTION | VIRGARIA-NIGRA | CYCLIZATION | Hydrogenation | Synthesis | Organic compounds | Reduction | Cycloaddition | Construction | Cage | Cascades | Oxidation | Fragmentation
Journal Article