5''-(4-Meth-oxy-benzyl-idene)-1'-(4-meth-oxy-phen-yl)-1''-methyl-1',2',3',5',6',7',8',8a'-octa-hydro-dispiro-[acenaphthyl-ene-1,3'-indolizine-2',3''-piperidine]-2,4''(1H)-dione.

ABSTRACT: In the title compound, C(39)H(38)N(2)O(4), the pyridinone ring adopts a twisted half-chair conformation with the N atom deviating by 0.3304?(1) and with the methyl-ene C atom adjacent to the octa-hydro-indolizine unit deviating by 0.444?(3)?Å from the mean plane defined by the other four atoms. In the octa-hydro-indolizine system, the pyrrolidine ring exhibits an envelope conformation, with the fused methyne C atom deviating by 0.6315?(1)?Å from the mean plane defined by the other four atoms, and the piperidine ring exhibits a distorted chair conformation, as reflected in the puckering parameters Q = 0.568?(4)?Å, ? = 1.5?(4) and ? = 161?(16)°. In the crystal pairs of weak C-H?O inter-actions form centrosymmetric dimers, which are further connected by C-H?? inter-actions. The crystal studied was a non-merohedral twin, with a domain ratio of 0.91:0.09.

SUBMITTER: Suresh J 

PROVIDER: S-EPMC3569788 | biostudies-literature | 2013 Feb

REPOSITORIES: biostudies-literature