A highly efficient and sustainable synthesis of 1-[(1,3-thiazol-2-ylamino) methyl]-2-naphthols under solvent-free conditions using graphene oxide substituted ethane sulfonic acid catalyst

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Hamidi Zare Samaneh; Ghorayshi Nejad Maryam Sadat; Saberi Ali; Rostami Esmael

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Journal Paper

Paper Information

Journal: Journal of Medicinal and Nanomaterials Chemistry Year:2022 | Volume:4 | Issue:3 Page(s): 211-224

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Information Journal Paper

Title

A highly efficient and sustainable synthesis of 1-[(1,3-thiazol-2-ylamino) methyl]-2-naphthols under solvent-free conditions using graphene oxide substituted ethane sulfonic acid catalyst

Author(s)

Hamidi Zare Samaneh | Ghorayshi Nejad Maryam Sadat | Saberi Ali | Rostami Esmael | Issue Writer Certificate

Keywords

Graphene oxide Ethane sulfonic acid catalyst Synthesis 2

Aminothiazole 1

[(1

Thiazol

ylamino) methyl]

naphthols

Abstract

Graphene oxide functionalized by ethane sulfonic acid (GO@ET-SO3H) is an efficient and environmentally benign catalyst for the synthesis of 1-[(1,3-thiazol-2-ylamino) methyl]-2-naphthols. The synthesis was implemented through a one-pot process by using no solvent by the reaction of 2-naphthol, functionalized benzaldehydes, and 2-aminothiazol. First, graphene oxide was prepared according to a modified Hummers method. It was subsequently modified by 2-Hydroxyethyl disulfide, and then oxidized with performic acid to reach the catalyst (GO@ET-SO3H). The catalyst was characterized by X-ray diffraction (XRD), energy-dispersive X-ray spectroscopy (EDS), field emission scanning electron microscopy (FE-SEM), thermogravimetric analysis (TGA), and FT-IR spectroscopy. The catalyst exhibited efficient properties such as simple work-up, no byproducts, sustainability, nonmetal and safe components, stability under reaction conditions, and recoverability.

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