Khair uz Zaman

  • Citations Per Year
Learn More
Mumtaz Ali1, Mohammad Arfan2, Habib Ahmad3, Khair Zaman2, Farhatullah Khan4 and Ryszard Amarowicz5* Department of Chemistry, University of Malakand, Chakdara, Dir, Pakistan Institute of Chemical Sciences University of Peshawar, Peshawar-25120, Pakistan Department of Botany, Hazara University, Mansehra, Pakistan Department of Biological Sciences,(More)
Three new xanthones, hypericorin C (1), hypericorin D (2) and 3,4-dihydroxy-5-methoxyxanthone (3), along with eight known compounds; 2,3-dimethoxyxanthone (4), 3,4-dihydroxy-2-methoxyxanthone (5), 3,5-dihydroxy-1-methoxyxanthone (6), 3-acetylbetulinic acid (7), 10H-1,3-dioxolo[4,5-b]xanthen-10-one (8), 3-hydroxy-2-methoxyxanthone (9),(More)
The phytochemical investigation of the root bark of Cassia artemisioides (Gaudich. Ex. DC) Randell resulted in the isolation of one new anthraquinone 1,1'-dihydroxy-3,3'-dimethyl-8,8'-dimethoxy-6,6'-O-bianthraquinone (1) along with four known anthraquinones 1,6-dihydroxy-8-methoxy-3-methylanthraquinone (2), 1-hydroxy-8-methoxy-3-methylanthraquinone (3),(More)
The phytochemical examination of chloroform soluble fraction (FX2) of methanolic extract of bark of Millettia ovalifolia yielded a new flavonoid; 7-(4-methoxyphenyl)-9H-furo [2,3-f]chromen-9-one (1). Compound 1 is characterized by spectroscopic analytical techniques such as UV, IR, 1D, 2D NMR spectroscopy, and mass spectrometry. A theoretical model is also(More)
  • 1