title: (1R,3R,4R,6S)-4-(7-Meth-oxy-2-oxo-2H-chromen-6-yl)-1-methyl-3,6-dioxa-bicyclo-[3.1.0]hexan-2-yl acetate.
abstract: In the title compound, C17H16O7, which was isolated from the leaves of Micromelum integerrimum, the furan ring adopts an envelope conformation with the O atom as the flap. An intra-molecular C-H⋯O hydrogen bond occurs. The carbonyl O atom is disordered in a 0.57 (8):0.43 (8) ratio. In the crystal, mol-ecules are linked by weak C-H⋯O hydrogen bonds into a C(10) chain along [010].
authors.affiliation: Natural Products Research Laboratory, School of Science, Mae Fah Luang, University, Tasud, Muang, Chiang Rai 57100, Thailand.
authors.forename: Wong
authors.initials: W
authors.lastname: Phakhodee
authors.forename: Surat
authors.initials: S
authors.lastname: Laphookhieo
authors.forename: Timothy John
authors.initials: TJ
authors.lastname: Prior
authors.forename: Apinpus
authors.initials: A
authors.lastname: Rujiwatra