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Heterocycles in Medicinal Chemistry [PDF]

open access: yesMolecules, 2019
Heteroatoms constitute a very common fragment of a number of active pharmaceutical ingredients as well as excipients; from the point of view of significance, it is all the same if these are isosterically/bioisosterically replaced carbons/carbon ...
J. Jampílek
semanticscholar   +4 more sources

Sodium-mediated magnesiation of thiophene and tetrahydrothiophene : structural contrasts with furan and tetrahydrofuran [PDF]

open access: yes, 2010
Sulfur-containing heterocycles are currently attracting agreat deal of interest in several diverse fields. For instance, substituted tetrahydrothiophenes have received considerable attention due to their extremely wide-ranging chemical and biological ...
, EPSRC (Funder)   +4 more
core   +1 more source

Synthesis of Polyhedral Borane Cluster Fused Heterocycles via Transition Metal Catalyzed B-H Activation

open access: yesMolecules, 2020
Aromatic heterocycles are ubiquitous building blocks in bioactive natural products, pharmaceutical and agrochemical industries. Accordingly, the carborane-fused heterocycles would be potential candidates in drug discovery, nanomaterials ...
Ke Cao   +7 more
doaj   +1 more source

How Not to Discover a New Reagent. The Evolution and Chemistry of Woollins' Reagent [PDF]

open access: yes, 2012
The pathways in research can be complex. This review provides a personal account of the winding scientific and funding road that led to Woollins' reagent.
Woollins, J. Derek
core   +1 more source

Aegle marmelos phytochemical stabilized synthesis and characterization of ZnO nanoparticles and their role against agriculture and food pathogen

open access: yesGreen Processing and Synthesis, 2019
Nature and nanotechnology have not yet achieved a lucid correlation in the field of science but together they have exhibited immense potential towards the advancement and modification in future science and technology.
Fowsiya J.   +7 more
doaj   +1 more source

Microwave Assisted Synthesis of Indole Substituted Alkenes Using Knoevenagel Condensation Reaction and their Antibacterial Activity Study

open access: yesE-Journal of Chemistry, 2010
The reaction rate of Knoevenagel condensation can be dramatically enhanced by irradiating the reaction mixture containing an aldehyde, active methylene compound, L-proline and chlorobenzene with a commercial microwave oven.
Shubha Jain   +3 more
doaj   +1 more source

An electrochemical gram-scale protocol for pyridylation of inert N-heterocycles with cyanopyridines

open access: yesSTAR Protocols, 2022
Summary: Here, we present a protocol to decyanopyridate inert N-heterocycles access to N-fused heterocycles via the mechanism of dual proton-coupled electron transfer (PCET).
Cong Niu   +6 more
doaj   +1 more source

Diquaternary Ammonium Compounds in Zeolite Synthesis: Cyclic and Polycyclic N-Heterocycles Connected by Methylene Chains [PDF]

open access: yes, 2009
An additional dimension has been added to our long-standing studies in high silica zeolite synthesis via a guest/host synergism. We have created and studied the impact of making symmetric diquaternary ammonium compounds, by varying the chain length ...
Burton, Allen W.   +3 more
core   +1 more source

β-Functionalization of Saturated Aza-Heterocycles Enabled by Organic Photoredox Catalysis.

open access: yesACS Catalysis, 2021
The direct β-functionalization of saturated aza-heterocycles has remained a synthetic challenge because of the remote and unactivated nature of β-C-H bonds in these motifs.
Natalie Holmberg-Douglas   +4 more
semanticscholar   +1 more source

Recent Advances in the Synthesis of Heterocycles via Reactions Involving Elemental Sulfur

open access: yesAdvanced Synthesis and Catalysis, 2020
It is well known that heterocycles are among the most significant molecules for everyday life, ranging from natural products and bioactive substances to functional materials.
T. Nguyen
semanticscholar   +1 more source

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