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Dr. G. Periyasami

Associate Professor

Associate Professor

كلية العلوم
Dr. G. Periyasami, Ph.D., Associate Professor, Off: 2B-113, Department of Chemistry, College of Sciences, King Saud University, P.O. Box: 2455, Riyadh-11451 Saudi Arabia.
publication
Patent
2018

Method of preparing biologically active derivatives from Calotropis Gigantea flowers

United State Patent

A method of preparing biologically active derivatives from Calotropis gigantea flowers includes obtaining fresh Calotropis gigantea flowers, drying the fresh flowers, soaking the dried flowers in natural oil, eg., almond oil, and burning the oil-soaked flowers to provide flower ash, the flower ash including the biologically active derivatives. The flower ash can be toxin-free.

Patent Number
US10111918B1
more of publication
publications

A novel efficient eco-friendly on “ionic liquid” method has been developed for the synthesis of multifunctionalized isoxazolidines through a nitrone 1,3-dipolar cycloaddition reaction. The low…

by Govindasami Periyasami, Natarajan Arumugam, Ali Aldalbahi
2017
publications

A method of preparing biologically active derivatives from Calotropis gigantea flowers includes obtaining fresh Calotropis gigantea flowers, drying the fresh flowers, soaking the dried flowers in…

by Devanesan, S., Alsalhi, M.S, Periyasami, G. Aldalbahi, A.
2018
publications

Background: Spiropyrrolidine tethered piperidone heterocyclic hybrids were synthesized with complete regio and stereoselectively in excellent yield via a tandem three-component 1,3-dipolar…

by Natarajan Arumugam, Abdulrahman I. Almansour, Raju Suresh Kumar, Dhaifallah M. Al‑thamili, Govindasami Periyasami, V. S. Periasamy, Jegan Athinarayanan, Ali A. Alshatwi, S. M. Mahalingam, J. Carlos Menéndez
2018
Published in:
Springer