N-butyl Pyridinium Bromide Ionic Liquid Assisted Preparation of Cobalt Oxide: An Efficient Nanocatalyst for the Synthesis of Tetrahydrobenzo[a]xanthen-11-one Derivatives

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Mitra  Darband ¹ (Department of Chemistry, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran)
Elham  Thanpesar ² (Department of Chemistry, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran)
Rashid  Badri ³ (Department of Chemistry, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran)
Haleh  Sanaei shoar ⁴ (Department of Chemistry, Ahvaz Branch, Islamic Azad University, Ahvaz, Iran)

Received: 2022-03-14 Accepted : 2022-03-14 Published : 2021-06-01

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