Premkumar Thombre | Dr.Babasaheb Ambedkar Marathwada University (original) (raw)
Supervisors: Capt. Dr. Suresh T. Gaikwad
Address: C/O Capt. Dr. Suresh T. Gaikwad,
Prof. And Head,
Department of Chemistry,
Dr. Babasaheb Ambedkar Marathwada University Aurangabad
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Papers by Premkumar Thombre
Inorganic Chemistry Communications
Arkivoc, 2006
An efficient Hantzsch condensation of polyhydroquinoline derivatives was reported via a fourcompo... more An efficient Hantzsch condensation of polyhydroquinoline derivatives was reported via a fourcomponent coupling reaction of aldehydes, dimedone, ethyl acetoacetate and ammonium acetate in the presence of HClO 4-SiO 2 under solvent-free conditions. Operational simplicity, use of an economically convenient catalyst, high yield, short reaction times are the key features of this protocol.
Catalysis Letters, 2021
Efficient and reusable ZS-1 zeolite as a novel catalyst was successfully synthesized by the hydro... more Efficient and reusable ZS-1 zeolite as a novel catalyst was successfully synthesized by the hydrothermal method. Characterizations of catalysts were carried out using diverse analysis techniques such as XRD, FT-IR, FESEM, EDAX, HRTEM, BET, and NH3TPD. Promoted as an environment-friendly protocol for the facile synthesis of various substituted 1-amidoalkyl-2-naphthols through the reaction of β-naphthol, aldehyde, and amides under solvent-free conditions. This catalyst provides many advantages such as shorter reaction times, operational simplicity, reusability, an excellent yield of the product, facile work-up, and easily recoverable. Moreover, the recovered catalyst can be recycled and reused for the next five runs without significant loss of catalytic activity.
Inorganic Chemistry Communications
Arkivoc, 2006
An efficient Hantzsch condensation of polyhydroquinoline derivatives was reported via a fourcompo... more An efficient Hantzsch condensation of polyhydroquinoline derivatives was reported via a fourcomponent coupling reaction of aldehydes, dimedone, ethyl acetoacetate and ammonium acetate in the presence of HClO 4-SiO 2 under solvent-free conditions. Operational simplicity, use of an economically convenient catalyst, high yield, short reaction times are the key features of this protocol.
Catalysis Letters, 2021
Efficient and reusable ZS-1 zeolite as a novel catalyst was successfully synthesized by the hydro... more Efficient and reusable ZS-1 zeolite as a novel catalyst was successfully synthesized by the hydrothermal method. Characterizations of catalysts were carried out using diverse analysis techniques such as XRD, FT-IR, FESEM, EDAX, HRTEM, BET, and NH3TPD. Promoted as an environment-friendly protocol for the facile synthesis of various substituted 1-amidoalkyl-2-naphthols through the reaction of β-naphthol, aldehyde, and amides under solvent-free conditions. This catalyst provides many advantages such as shorter reaction times, operational simplicity, reusability, an excellent yield of the product, facile work-up, and easily recoverable. Moreover, the recovered catalyst can be recycled and reused for the next five runs without significant loss of catalytic activity.