Author

3 article(s) from Wölfling, János

The first Pd-catalyzed Buchwald–Hartwig aminations at C-2 or C-4 in the estrone series

Ildikó Bacsa,
Dávid Szemerédi,
János Wölfling,
Gyula Schneider,
Lilla Fekete and
Erzsébet Mernyák

Full Research Paper
Published 04 May 2018

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1. Graphical Abstract
2. Scheme 1: Pd-catalyzed aminations at C-2 or C-4 in the 13α-estrone series. Reactions were performed on a 0.25...
  
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3. Scheme 2: Two-step synthesis of 2-amino-13α-estra-1,3,5(10)-trien-17-one (13).
  
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Beilstein J. Org. Chem. 2018, 14, 998–1003, doi:10.3762/bjoc.14.85

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Synthesis of novel 13α-estrone derivatives by Sonogashira coupling as potential 17β-HSD1 inhibitors

Ildikó Bacsa,
Rebeka Jójárt,
János Wölfling,
Gyula Schneider,
Bianka Edina Herman,
Mihály Szécsi and
Erzsébet Mernyák

Full Research Paper
Published 30 Jun 2017

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1. Graphical Abstract
2. Scheme 1: Syntheses of 2- or 4-phenethynyl-13α-estrones (8–11) by Sonogashira coupling.
  
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3. Scheme 2: Partial or full hydrogenation of compounds 8c–11c.
  
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Beilstein J. Org. Chem. 2017, 13, 1303–1309, doi:10.3762/bjoc.13.126

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Facile synthesis of 1H-imidazo[1,2-b]pyrazoles via a sequential one-pot synthetic approach

András Demjén,
Márió Gyuris,
János Wölfling,
László G. Puskás and
Iván Kanizsai

Full Research Paper
Published 08 Oct 2014

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1. Graphical Abstract
2. Scheme 1: The conventional GBB-3CR.
  
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3. Scheme 2: Plausible products 6A–H.
  
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4. Scheme 3: Synthesis of 6 via the sequential one-pot method.
  
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Beilstein J. Org. Chem. 2014, 10, 2338–2344, doi:10.3762/bjoc.10.243

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