2 article(s) from Frank, Walter
Selected anticancer active 3,5-diaryl-1-acylpyrazoline (left) and xanthine oxygenase inhibitors (ce...
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Selected 1-acyl-5-hydroxypyrazolines with analgesic (left, center) and antibacterial activity (cent...
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Glyoxylation–alkynylation (GA) and activation–alkynylation (AA) synthesis of alkynediones in a one-...
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Consecutive three-component synthesis to give 5-benzoyl-3-phenyl-1H-pyrazole (6a) after alkaline de...
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ORTEP plot of 5-benzoyl-3-phenyl-1H-pyrazole (6a) (thermal ellipsoids at 30% probability); the dire...
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Cyclization of 1,4-diphenylbut-3-yne-1,2-dione (3a) and Boc-hydrazine (4a) to give intermediate 5a.
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Ellipsoid plot of 1-Boc-5-benzoyl-5-hydroxypyrazoline 5a.
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Model reaction for optimizing the activation–alkynylation–cyclization synthesis of 1,5-diacyl-5-hyd...
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One-pot activation–alkynylation–cyclization synthesis of 1,5-diacyl-5-hydroxypyrazolines 5.
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ORTEP plot and dimer of compound 5r (thermal ellipsoids at 30% probability).
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Beilstein J. Org. Chem. 2019, 15, 1360–1370, doi:10.3762/bjoc.15.136
Stereogenic boron in resolved acyclic and cyclic complexes 1–4.
Synthesis of the racemic boronate–imine complex 8 and boronate–amine complex 10. Reagents and condi...
Solid-state structure of boronate–imine complex 8 (a) and the chosen asymmetric unit of the crystal...
Superposition of the skeletons of boronate complexes 8 (red) and 10 (green).
Beilstein J. Org. Chem. 2011, 7, 615–621, doi:10.3762/bjoc.7.72
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