Pd/C and TFA‐promoted One‐pot, Two‐step Cascade Reaction: An Effective Synthesis of Oxepines

Kumar, K. Shiva; Gangulothu, Kishan; Messa, Siddi Ramulu; Utkoor, Umesh Kumar; Reddy, Sabbasani Rajasekhara

doi:10.1002/ajoc.202100449

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2022

2024

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Cited by 3 publications

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Metal‐Free TFA‐Promoted Regioselective (Hetero)Arylation: Synthesis of (Hetero)Aryl Substituted and Carbazole/Oxepine Fused N‐Heterocycles

et al. 2022

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Metal-free TFA promoted arylation/heteroarylation was achieved under mild conditions via the reaction of chloro-derivatives of nitrogen heterocycles [e. g., =CÀ C(Cl)=NÀ ] with electron rich arenes/ heteroarenes. It was also observed that apart from participating in the heteroarylation step, TFA was able to facilitate the hydroarylation/o-arylation process in the same pot affording the carbazole/oxepine fused Nheterocycles. The reaction proceeded with similar efficiency on gram scale.

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