J. Galeta

Publications51
h-index7
Citations92
Highly Influential Citations1
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Applications of caged-designed proton sponges in base-catalyzed transformations
Superbasic properties of caged proton sponges (PSs) – substituted diazatetracyclo[4.4.0.13,10.15,8]dodecanes (DTDs) – were utilized in Knoevenagel and Claisen–Schmidt condensations, the Pudovik… Expand
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An Extended Approach for the Development of Fluorogenic trans‐Cyclooctene–Tetrazine Cycloadditions
Inverse‐electron‐demand Diels–Alder (iEDDA) cycloaddition between 1,2,4,5‐tetrazines and strained dienophiles belongs among the most popular bioconjugation reactions. In addition to its fast… Expand
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Substituted diazatetracyclo[4.4.0.1(3,10).1(5,8)]dodecanes as stable caged proton sponges.
Herein, we report a molecular framework design differing significantly from the traditional topology of proton sponges. We developed a synthetic approach to the preparation of caged secondary amines… Expand
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Design and Synthesis of Aza-Bicyclononene Dienophiles for Rapid Fluorogenic Ligations.
Fluorogenic bioorthogonal reactions enable visualization of biomolecules under native conditions with excellent signal-to-noise ratio. Here, we present the design and synthesis of… Expand
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Unexpected Heterocyclic Products from Cycloaddition Reactions of Nonsymmetrical Allenyl Aldoketazines with Substituted Alkynes
Thermally initiated cycloaddition reactions of nonsymmetrical allenyl azines 1 with alkynes or other dipolarophiles usually lead to compounds with three fused, five-membered heterocyclic rings. With… Expand
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Photochemical Formation of Dibenzosilacyclohept-4-yne for Cu-Free Click Chemistry with Azides and 1,2,4,5-Tetrazines.
Photochemical generation of dibenzosilacyclohept-4-yne 3 from the corresponding cyclopropenone 1 and its copper-free click reactions are reported. Steady-state irradiation, kinetic, and transient… Expand
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Dihydropyrrolo[1,2-b]pyrazoles: withasomnine and related compounds
In the paper we indicate the increasing importance of derivatives containing a dihydropyrrolo[1,2-b]pyrazole (DPP) core. We try to show our synthetic approach based on an improved Kulinkovich method… Expand
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Bioorthogonal Fluorescence Turn‐On Labeling Based on Bicyclononyne−Tetrazine Cycloaddition Reactions that Form Pyridazine Products
Abstract Fluorogenic bioorthogonal reactions enable visualization of biomolecules with excellent signal‐to‐noise ratio. A bicyclononyne−tetrazine ligation that produces fluorescent pyridazine… Expand
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Single-Step Formation of Pyrimido[4,5-d]pyridazines by a Pyrimidine-Tetrazine Tandem Reaction.
A straightforward synthesis of pyrimido[4,5-d]pyridazines from pyrimidines and tetrazines under basic conditions is reported. Deprotonated, substituted 5-halopyrimidines readily react with variously… Expand
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Application of Pd-Catalyzed Cross-Coupling Reactions in the Synthesis of 5,5-Dimethyl-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazoles that Inhibit ALK5 Kinase.
C-H activation of position 3 of a substituted pyrazole ring catalyzed by palladium(II) was straightforward and convenient for arylated or heteroarylated… Expand
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