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Identification of Trypanosoma cruzi Polyamine Transport Inhibitors by Computational Drug Repurposing [PDF]

open access: yes, 2019
Trypanosoma cruzi is the causative agent of Chagas disease, a parasitic infection endemic in Latin America. In T. cruzi the transport of polyamines is essential because this organism is unable to synthesize these compounds de novo.
Martínez Sayé, Melisa Soledad   +5 more
core   +1 more source

Identification of Ti(salen) Complexes for Efficient Catalysis in Single‐Electron Steps by Cyclic Voltammetry

open access: yesAngewandte Chemie, EarlyView.
Catalyst screening without catalysis. By combining cyclic voltammetry and DFT calculations we were able to identify a highly active catalyst for the radical arylation of epoxides without performing any reactions. The prevention of chloride binding that leads to catalyst inhibition was established as the key structural feature.
Niklas Schmickler   +6 more
wiley   +2 more sources

Recent Advances in the Synthesis of 3,n-Fused Tricyclic Indole Skeletons via Palladium-Catalyzed Domino Reactions

open access: yesMolecules, 2023
3,n-fused (n = 4–7) tricyclic indoles are pervasive motifs, embedded in a variety of biologically active molecules and natural products. Thus, numerous catalytic methods have been developed for the synthesis of these skeletons over the past few decades ...
Liangxin Fan   +6 more
doaj   +1 more source

Tricyclic and related drugs for nocturnal enuresis in children.

open access: yesCochrane Database of Systematic Reviews, 2016
BACKGROUND Enuresis (bedwetting) affects up to 20% of five year-olds and 2% of adults. Although spontaneous remission often occurs, the social, emotional and psychological costs can be great. Tricyclics have been used to treat enuresis since the 1960s.
Patrina H. Y. Caldwell   +2 more
semanticscholar   +1 more source

Asymmetric Intramolecular α‐Arylation of Polar Amino Acids Bearing β‐Leaving Groups

open access: yesAngewandte Chemie, EarlyView.
Use of enolate chemistry to functionalise amino acids with β‐heteroatom side‐chains (serine, cysteine, threonine, etc.) is hampered by β‐elimination. We show that α‐arylation can be achieved by incorporating the side chain into a saturated heterocycle, making the unwanted elimination a disfavoured 5‐endo‐trig reaction.
Ömer Taspinar   +6 more
wiley   +2 more sources

Total Synthesis of Isodaphlongamine H by Iridium‐Catalyzed Reductive [3 + 2] Cycloaddition of N‐Hydroxylactam

open access: yesAngewandte Chemie, EarlyView.
The total synthesis of isodaphlongamine H was accomplished by a lactam strategy. This strategy started with alkylation and N‐oxidation of a readily available chiral lactam. For the key functionalization of the amide carbonyl, an iridium‐catalyzed reductive [3 + 2] cycloaddition of the N‐hydroxylactam afforded the tricyclic isoxazolidine, which was ...
Sora Iwamoto   +15 more
wiley   +2 more sources

Organocatalytic Lewis base functionalisation of carboxylic acids, esters and anhydrides via C1-ammonium or azolium enolates [PDF]

open access: yes, 2014
This tutorial review highlights the organocatalytic Lewis base functionalisation of carboxylic acids, esters and anhydrides via C1-ammonium/azolium enolates.
Morrill, Louis C., Smith, Andrew D.
core   +1 more source

Iridium‐Catalyzed Enantioselective Intramolecular Hydroarylation of Allenes: Formal Synthesis of (+)‐Rhazinilam

open access: yesAngewandte Chemie, EarlyView.
A highly enantioselective iridium‐catalyzed hydroarylation of allene‐tethered pyrroles and indoles that provides access to relevant heterocyclic systems bearing vinyl‐substituted 3ry or 4ry stereocenters is reported. Its synthetic potential was exemplified with a very short, highly enantioselective formal synthesis of (+)‐Rhazinilam, whereas DFT ...
Andrés Arribas   +4 more
wiley   +2 more sources

One-Pot Synthesis of Isoxazole-Fused Tricyclic Quinazoline Alkaloid Derivatives via Intramolecular Cycloaddition of Propargyl-Substituted Methyl Azaarenes under Metal-Free Conditions

open access: yesMolecules, 2023
A practical method was developed for the convenient synthesis of isoxazole-fused tricyclic quinazoline alkaloids. This procedure accesses diverse isoxazole-fused tricyclic quinazoline alkaloids and their derivatives via intramolecular cycloaddition of ...
Zhuo Wang   +9 more
doaj   +1 more source

Self‐Assembly of a Customizable Library of Nickel Trifluoromethylation Catalysts via Selective C─F and C─O Bond Cleavage

open access: yesAngewandte Chemie, EarlyView.
Carbatranes and anionic pincer ligands were self‐assembled via one‐pot C─F or C─O bond cleavage and the formation of C─O, C─N, or C─C bonds, forming ligand architectures inaccessible by common synthetic methods. This approach allowed to build a customizable library of nickel catalysts for light‐induced C─H bond trifluoromethylation.
Aleksandr Sorvanov   +5 more
wiley   +2 more sources

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