Results 11 to 20 of about 1,080 (176)

One-Pot Morita-Baylis-Hillman/Allylic Substitution in Deep Eutectic Solvents: Access to γ-Hydroxy Derivatives via Sequential CC and CX (X = P, N, S, B, Si) Bond Formation. [PDF]

open access: yesChemSusChem
Sustainable one‐pot synthesis of functionalized γ‐hydroxy derivatives in deep eutectic solvents. A green, sequential CC/CX bond‐forming strategy enables diverse γ‐hydroxy derivatives via Morita–Baylis–Hillman and nucleophilic functionalization in ChCl/Gly deep eutectic solvent.
Ramos-Martín M   +3 more
europepmc   +2 more sources

Quinuclidine compounds differently act as agonists of Kenyon cell nicotinic acetylcholine receptors and induced distinct effect on insect ganglionic depolarizations [PDF]

open access: yes, 2013
We have recently demonstrated that a new quinuclidine benzamide compound named LMA10203 acted as an agonist of insect nicotinic acetylcholine receptors.
D. Swale   +6 more
core   +3 more sources

Three-Dimensional Molecular Cartography of the Caribbean Reef-Building Coral Orbicella faveolata [PDF]

open access: yes, 2021
All organisms host a diversity of associated viruses, bacteria, and protists, collectively defined as the holobiont. While scientific advancements have enhanced the understanding of the functional roles played by various components of the holobiont ...
Arts, M.G.I.   +21 more
core   +3 more sources

Choice of an antihistamine administration route in the treatment of allergic diseases [PDF]

open access: yesТерапевтический архив, 2016
Allergic diseases (AD) are an interdisciplinary problem in practical health care and characterized by high prevalence, severity, and huge financial costs of their treatment, prevention, and rehabilitation in patients.
L V Luss
doaj  

Muscarinic receptor agonists and antagonists [PDF]

open access: yes, 2001
A comprehensive review of pharmacological and medical aspects of the muscarinic class of acetylcholine agonists and antagonists is presented. The therapeutic benefits of achieving receptor subtype selectivity are outlined and applications in the ...
Broadley, Kenneth John, Kelly, David R.
core   +2 more sources

3-Amidoquinuclidine Derivatives: Synthesis and Interaction with Butyrylcholinesterase [PDF]

open access: yes, 2007
Racemates as well as (R)- and (S)-enantiomers of 3-pivalamidoquinuclidine (PivQ) and 3-acetamidoquinuclidine (AcQ) were prepared. Their quaternary racemic and enantiomerically pure N-benzyl derivatives (BnlPivQ and BnlAcQ) were synthesized as well.
Ines Primožič   +2 more
core   +3 more sources

The Diarylprolinol Silyl Ethers: After 20 Years Still Opening New Doors in Asymmetric Catalysis

open access: yesAngewandte Chemie, Volume 138, Issue 11, 9 March 2026.
Catalysis Rules! The year 2025 marks the 20th anniversary of diarylprolinol silyl ethers in asymmetric organocatalysis. During the first decade after their discovery, these catalysts have been established as one of the most versatile tools in aminocatalysis. Although now considered mature, recent years have witnessed renewed innovation.
Enrico Marcantonio   +2 more
wiley   +2 more sources

Fused and spiro nitrogen heterocycles of quinuclidine and its C-nucleosides [PDF]

open access: yes, 2011
Quinuclidin-3-one (1) was used as a versatile intermediate for the synthesis of fused and spiro quinuclidine and its C-nucleosides. The reaction of 1 with formalin and secondary amines namely; morpholine, piperidine, and piperazine afforded the ...
El-Magid, Osama Abd   +2 more
core   +1 more source

The Quest for Palladium-Catalysed Alkyl-Nitrogen Bond Formation [PDF]

open access: yes, 2016
Our interest in the development of transition-metal catalysis for the realisation of vicinal diamination reactions of alkenes started about a decade ago.
Iglesias, A, Martínez, C, Muñiz, K
core   +1 more source

Bifunctional Photocatalysts: Exploiting Proximity for Enhanced Reaction Performance

open access: yesChemistry – A European Journal, Volume 32, Issue 19, 22 May 2026.
This review covers the application of the bifunctional approach to photocatalysis as a means to attain (enhanced) enantioselectivity, and, more in general, as a strategy to enhance the catalytic performance through an effective use of short‐lived reaction intermediates.
Luigi Dolcini   +3 more
wiley   +1 more source

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