7-Methoxy-carbonyl-6,7,8,14-tetra-hydro-6,14-endo-ethenothebaine

Abstract

In the mol-ecule of the title compound, C23H27NO 5, the furan ring adopts an envelope conformation. Intra-molecular C - H?O inter-actions result in the formation of S(5) and S(6) motifs. In the crystal structure, weak inter-molecular C - H?O hydrogen bonds link the mol-ecules through C(6) and C(8) chains along the [100] and [010] directions, generating a two-dimensional network.