基金Acknowledgments This work was supported by the USM Research University Grant （1001/PKIMIA/8111133） and the USM Postgraduate Research Grant Scheme （1001/PKIMIA/832017）. The authors also thank Assoc. Prof. David S. Larsen and Ian Steward of Otago University, NZ for the HRESIMS data. D.T.C. Tan is grateful to USM for the USM Fellowship scheme and Anis Safirah Mohd Zahariluddin for guidance in carrying out the antibacterial assay.
基金My thanks and gratitude for Prof. Nell McKeown for his invaluable help and for the Technicians at the Department of Chemistry, University of Manchester （UK） for providing all instrumental facilities. My thanks go also for Libyan Ministry of High Education for financial support.