Ontology highlight
ABSTRACT:
SUBMITTER: Xing H
PROVIDER: S-EPMC3344550 | biostudies-literature | 2012 May
REPOSITORIES: biostudies-literature
Acta crystallographica. Section E, Structure reports online 20120418 Pt 5
In the mol-ecular structure of the title compound, C(20)H(17)NO(5), two intra-molecular C-H⋯O hydrogen bond generate six- and seven-membered ring motifs. The dihedral angles between the almost planar 13-atom triple-fused-ring system (r.m.s. deviation = 0.003 Å) and the planes of the two meth-oxy-carbonyl substituents are 61.7 (2) and 33.01 (10)°. ...[more]