Results 201 to 210 of about 14,851 (247)

Asymmetric Total Synthesis of (+)‐ and (−)‐Myrioneurinol Employing a “Resolutive” Late‐Stage Barton‐McCombie Deoxygenation

open access: yesChemistry – A European Journal, EarlyView.
The total syntheses of (+)‐ and (−)‐myrioneurinol are described. This was achieved through two key steps based on a Prins‐type alkenylation of activated phenols to construct the central cycle of this natural substance, and a late‐stage “resolutive” Barton Mc‐Combie reaction which allowed the separation as well as the deoxygenation of both enantiomers ...
Adrien Denizet   +4 more
wiley   +1 more source

Fused Nitrogen Bridgehead N,O‐Acetals as Versatile Scaffolds: Synthetic Strategies, Mechanism and Applications

open access: yesChemistry – A European Journal, EarlyView.
Fused nitrogen‐bridgehead N,O‐acetals receive specific emphasis as pivotal scaffolds due to their significant role in the bioactivity of medicinally relevant molecules. Significant approaches have been reported on their role as key synthetic building blocks/motifs in the construction of complex organic molecules and their utility as chiral auxiliaries ...
Alexis D. Kouvelas   +2 more
wiley   +1 more source

Synthesis and Properties of Cyclic Imide Extended Diazocines: Tweezer‐Like, Rigid Photoswitches With Large Switching Amplitudes

open access: yesChemistry – A European Journal, EarlyView.
Photoswitches with a perfect tweezer‐like bending motion and a large amplitude of movement are ideally suited as molecular actuators for applications in photoresponsive materials, biomolecules and photopharmacology. For this purpose, the core of the diazocine photoswitch was extended via cyclic imides.
Artjom Businski   +6 more
wiley   +1 more source

Pseudo‐Ring Methodology to Control the Conformations of Macrocyclic Peptides

open access: yesChemistry – A European Journal, EarlyView.
Pseudo‐ring grafts represent a powerful conformational control tool in macrocyclic peptides. “Open” and “closed” conformations can be accessed from a single building block which allow for macrocyclic peptides with unique conformations, lipophilicities and fluorescence. .
Matthew Diamandas   +3 more
wiley   +1 more source

Transmetalation From Boron to Beryllium in Phosphorus‐Based Scorpionate Complexes

open access: yesChemistry – A European Journal, EarlyView.
Transmetalation from boron onto beryllium was observed. This reaction is triggered through steric overcrowding of the beryllium atom or reducing the ligand beryllium bond strength through oxidation of the ligating phosphorus atoms. Abstract Investigation of tris(di‐iso‐propylphosphanylmethyl)phenylborate ([TP(iPr)]−) organo‐beryllium complexes [TP(iPr)]
Chantsalmaa Berthold   +2 more
wiley   +1 more source

Naphthalimide‐Buckybowl Tweezer for Selective Recognition of Fullerene C70

open access: yesChemistry – A European Journal, EarlyView.
Tweezer receptors incorporating bowl‐shaped binding sites have the potential to achieve better complementarity for fullerenes than the planar ones. Towards this goal, two molecules of indacenopicene were connected to the naphthalimide dye. Experimental studies revealed strong selectivity of the receptor for C70.
Swapnil Ghule   +5 more
wiley   +1 more source

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