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A systematic experimental and theoretical study of the intermolecular Aza-Diels-Alder reaction using 5-aminopyrrole as building block, shows that the commonly accepted endo selectivity, ruled by controversial secondary orbital interactions are overcome by non-covalent interactions affording to the unusual exo adduct. Additionally, the regioselectivity is also influenced for such interactions. Starting materials are easily to be prepared and the use of water as solvent is a great achievement for the development of cleaner synthetic methodologies.
This article was published in the following journal.
Name: The Journal of organic chemistry
Complexity-increasing Domino reactions comprising C-H allenylation, Diels-Alder reaction and retro-Diels-Alder reaction were realized by a versatile catalyst derived from earth-abundant, non-toxic man...
Here we reported our strategy by combining the transition metal-catalyzed diversified cycloisomerization of 1,6-enynes with chiral Lewis acid-promoted asymmetric Diels-Alder sequence reaction, realizi...
Radical cation Diels-Alder reactions by titanium dioxide (TiO) photocatalysis in lithium perchlorate/nitromethane solution are described. TiO photocatalysis promotes reactions between electron-rich di...
In the last years, ionic liquids have been used as substitutes to common solvents since they combine good solubility properties with small vapor pressures. Herein, the Diels-Alder reactions of cyclope...
Three new polycyclic macrolactams, cyclamenols B-D (1-3), together with a known macrolactam, cyclamenol A (4), were isolated from the Streptomyces sp. OUCMDZ-4348. Their structures including absolute ...
The aim of this project is to test and evaluate a nursing intervention, Time Together (TT), created to enable quality interactions between patients and staff in psychiatric inpatient care....
Allergen-specific immunotherapy (SIT), the administration of gradually increasing quantities of an allergen extract to an allergic patient, is a curative approach which directly treats the...
A retrospective analysis of the influence of gene polymorphisms on drug interactions between calcineurin-inhibitors and concomitant drugs in renal transplant patients.
Single center, open label crossover study with 2 treatment phases in healthy volunteers. The potential of phenotypic drug probes to predict drug-drug interactions between tacrolimus, vori...
To assess the influence of BI 655066 onkinetics of cytochrome P450 (CYP) probe drugs as a means of predicting drug-drug interactions
Used in copolymerization reactions, in the Diels-Alder(diene)synthesis, in the preparation of resins, pharmaceuticals and agricultural chemicals. It is a powerful irritant and causes burns.
The interactions of particles responsible for their scattering and transformations (decays and reactions). Because of interactions, an isolated particle may decay into other particles. Two particles passing near each other may transform, perhaps into the same particles but with changed momenta (elastic scattering) or into other particles (inelastic scattering). Interactions fall into three groups: strong, electromagnetic, and weak. (From McGraw-Hill Encyclopedia of Science & Technology, 7th ed)
Sets of enzymatic reactions occurring in organisms and that form biochemicals by making new covalent bonds.
Techniques used to synthesize chemicals using molecular substrates that are bound to a solid surface. Typically a series of reactions are conducted on the bound substrate that results in either the covalent attachment of specific moieties or the modification of existing function groups. These techniques offer an advantage to those involving solution reactions in that the substrate compound does not have to be isolated and purified between the reaction steps.
The processes triggered by interactions of ANTIBODIES with their ANTIGENS.