1 article(s) from Bilitewski, Ursula
- Full Research Paper
- Published 09 May 2022
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Graphical Abstract
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Figure 1: The structures of chloroquine, hydroxychloroquine, and amodiaquine.
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Scheme 1: Synthesis of 3-azolylpyrazoles 3a–c.
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Scheme 2: Assumed mechanism for the formation of 1H-pyrazoles 3a–c.
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Scheme 3: Synthesis of 3-aminopyrazoles 5b–k and 5-aminopyrazoles 5a and 5l–o.
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Scheme 4: Orientation of nucleophilic attack of 7-chloro-4-hydrazinylquinoline on nitrobutadienes 4.
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Scheme 5: Synthesis of oxazolidine 6 and pyrazole 7.
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Scheme 6: A plausible mechanism for the formation of pyrazole 7.
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Scheme 7: Synthesis of pyrazoles 9 and sulfoxide 10d.
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Scheme 8: Synthesis of pyrazole 11.
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