title: A new bisbenzopyran from Aloe barbadensis roots.
abstract: A new bisbenzopyran (1) has been isolated from the methanolic extract of roots of Aloe barbadensis through solvent separation and vacuum liquid chromatography. Based on spectral analysis including 2D-NMR (COSY, NOESY, J-resolved, HMQC, and HMBC) techniques, the structure of compound 1 was assigned as 3,3'-bis(3,4-dihydro-4-hydroxy-6-methoxy-2 H-1-benzopyran).
authors.affiliation: Dr. H. M. I. Institute of Pharmacology & Herbal Sciences, Hamdard University, Sharae Madinatal Hikma, Mohammad Bin Qasim Avenue, Karachi-74600, Pakistan.
authors.forename: R
authors.initials: R
authors.lastname: Saleem
authors.forename: S
authors.initials: S
authors.lastname: Faizi
authors.forename: F
authors.initials: F
authors.lastname: Deeba
authors.forename: B S
authors.initials: BS
authors.lastname: Siddiqui
authors.forename: M H
authors.initials: MH
authors.lastname: Qazi