The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 20, 2022
Filed:
Dec. 16, 2019
King Fahd University of Petroleum and Minerals, Dhahran, SA;
M. Nasiruzzaman Shaikh, Dhahran, SA;
KING FAHD UNIVERSITY OF PETROLEUM AND MINERALS, Dhahran, SA;
Abstract
Chemoselective and regioselective hydrogenation can be conducted using green sources, e.g., metal nanoparticles on plant stem supports in water. Heterogeneous catalytic systems, including 'dip catalysts,' can catalyze transfer hydrogenation of, e.g., styrenics, unfunctionalized olefins, quinolines, and other N-heteroaromatics. Palladium nanoparticles having longest dimensions of, e.g., 15 to 20 nm, may be anchored on jute plant (genus) stem supports, i.e., 'green' supports (GS). Pd nanoparticles can be decorated onto the jute stem (GS) by in-situ reduction of, e.g., KPdCl, in aqueous medium at 70° C., using formic acid as the reducing agent. The Pd-GS show uniform distribution of Pd on the cellulose matrix of the jute stem, and can conduct chemoselective transfer hydrogenation of numerous styrenics, olefins, and heterocycles (including aromatics) with high functional group tolerance, even in water.