title: 4-Bromo-methyl-7-methyl-6,8-dinitro-coumarin.
abstract: The crystal structure of the title compound, C(11)H(7)BrN(2)O(6), establishes the substitution positions of the nitro groups from the nitration reaction of 7-methyl-4-bromo-methyl coumarin. The mean planes of the nitro groups form dihedral angles of 43.9 (8) and 52.7 (10)° with the essentially planar [maximum deviation 0.031 (6) Å] benzopyran ring system.
authors.forename: Ramakrishna
authors.initials: R
authors.lastname: Gowda
authors.forename: Ganesh N
authors.initials: GN
authors.lastname: Alawandi
authors.forename: Manohar V
authors.initials: MV
authors.lastname: Kulkarni
authors.forename: K V Arjuna
authors.initials: KV
authors.lastname: Gowda