Enantioselective Total Synthesis of (−)-Terengganensine A

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A highly enantioselective, chiral, Lewis acid calcium–bis(phosphate) complex, Ca[3a]n, which catalyzes the electrophilic amination of enamides with azodicarboxylate derivatives 2 to provide versatile chiral 1,2-hydrazinoimines 4 is disclosed. The reaction ...

The oxygen reduction reaction by decamethylferrocene (DMFc), triggered by hydrophilic metallic cations behaving as Lewis acids towards water molecules in a homogeneous organic phase reaction, was investigated using cyclic voltammetry at the water|1,2-dichl ...

Hybrid montmorillonite-alginate beads (MABs) were prepared by the ion-gelation method from alginate and montmorillonite clay suspension dropped in a calcium chloride solution. Similarly, iron-enriched beads (Fe-MABs) were prepared using iron-exchanged mont ...

Trigonoliimines are hexacyclic bisindole alkaloids isolated recently by Hao and co-workers. A synthesis of (±)-trigonoliimine B was accomplished in seven steps from simple starting materials featuring the Bischler-Napieralski reaction for closing the seven ...

Catalyst design is of major importance for fine chemicals industry due to complexity of the synthesis and high product quality requirements. Moreover, the catalyst formulation has to comply with the standards of health, safety and environmental regulati ...

Microaerobic (oxygen-limited) conditions are critical for inducing many important microbial processes in industrial or environmental applications. At very low oxygen concentrations, however, the process performance often suffers from technical limitations. ...

The first method for the [3 + 2] annulation of donor acceptor aminocyclopropanes with aldehydes is reported. The reaction is catalyzed by iron trichlorlde on alumina in yields up to 99% and with excellent cis selectivities (up to >20:1) and represents a st ...

The development of efficient chiral monodentate phosphine ligands lags behind that of the bidentate congeners. This holds especially true for highly electron rich chiral phosphine analogues able to replace the ubiquitous tricyclohexylphosphine and tri-tert ...

An amperometric biosensor for adenosine 5 -triphosphate (ATP) was developed applying a competitive assay of two glucose converting enzymes: glucose oxidase (GOD) and hexokinase (HEX). Competition between GOD and HEX for glucose in presence of ATP, lead to ...

We report the total synthesis of a series of pyrrolizidine analogues of casuarine (1) and their 6-O-alpha-glucoside derivatives. The synthetic strategy is based on a totally regio- and stereoselective 1,3-dipolar cycloaddition of suitably substituted alken ...

Enantioselective Total Synthesis of (−)-Terengganensine A

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Chiral Calcium–BINOL Phosphate Catalyzed Diastereo- and Enantioselective Synthesis of syn-1,2-Disubstituted 1,2-Diamines: Scope and Mechanistic Studies

Electrochemical oxygen reduction at soft interfaces catalyzed by the transfer of hydrated lithium cations

Neutral solar photo-Fenton degradation of 4-nitrophenol on iron-enriched hybrid montmorillonite-alginate beads (Fe-MABs)

From Racemic to Enantioselective Total Synthesis of Trigonoliimines via Development of an Organocatalytic Enantioselective Michael Addition of α-Aryl-α-isocyanoacetate to Vinyl Phenyl Selenone

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Iron-Catalyzed [3+2] Annulation of Aminocyclopropanes with Aldehydes: Stereoselective Synthesis of Aminotetrahydrofurans

Chiral Monodentate Trialkylphosphines Based on the Phospholane Architecture

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Synthesis, Biological Evaluation and Docking Studies of Casuarine Analogues: Effects of Structural Modifications at Ring B on Inhibitory Activity Towards Glucoamylase