2,3-Dihydro-3,3-dimethylspiro[1H-4-oxanthracene-5,2'-oxiran]-10(5H)-one.
The central six-membered ring in the title compound, C(16)H(16)O(3), is almost planar (and almost coplanar with the aromatic ring), despite one of its C atoms being formally sp(3) hybridized. The planarity is a consequence of the C atom at the centre of the spirocyclic system also being part of the three-membered epoxide ring. The molecules are linked by pi-pi and C-H.pi interactions.
Departamento de Química Orgânica, Universidade Federal Fluminense, 24020-150 Niterói, RJ, Brazil.
Vitor F
VF
Ferreira
Antonio V
AV
Pinto
Maria C R F
MC
Pinto
Milton N
MN
da Silva
Janet M S
JM
Skakle
Maria C B V
MC
de Souza
Solange M S V
SM
Wardell