(4′-Acetyloxy-1,3,1′-trioxo-1,3,4,4a,4b,5,6,7,9,9a-decahydrospiro[indene-2,9′-pyrano[4,3-a]pyrrolizin]-3′-yl)methyl acetate

(4′-Acetyloxy-1,3,1′-trioxo-1,3,4,4a,4b,5,6,7,9,9a-decahydrospiro[indene-2,9′-pyrano[4,3-a]pyrrolizin]-3′-yl)methyl acetate

In the title compound, C23H23NO8, the dihedral angle between the five- and six-membered rings of the indene-dione moiety is 3.09 (13)°. The mean plane of the five-membered ring (which has a flat envelope conformation with the spiro C atom as the flap) is inclined to the mean plane...

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Main Authors: S. Lakshmi, G. Divya, R. Raghunathan, J. Naga Siva Rao, N. Latha
Format: Article
Language:English
Published: International Union of Crystallography 2013-12-01
Series:Acta Crystallographica Section E
Online Access:http://scripts.iucr.org/cgi-bin/paper?S1600536813029826
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spelling doaj-12705774012c49cfbb3aaf9df845b1602020-11-25T00:53:19ZengInternational Union of CrystallographyActa Crystallographica Section E1600-53682013-12-016912o1764o176410.1107/S1600536813029826(4′-Acetyloxy-1,3,1′-trioxo-1,3,4,4a,4b,5,6,7,9,9a-decahydrospiro[indene-2,9′-pyrano[4,3-a]pyrrolizin]-3′-yl)methyl acetateS. LakshmiG. DivyaR. RaghunathanJ. Naga Siva RaoN. LathaIn the title compound, C23H23NO8, the dihedral angle between the five- and six-membered rings of the indene-dione moiety is 3.09 (13)°. The mean plane of the five-membered ring (which has a flat envelope conformation with the spiro C atom as the flap) is inclined to the mean plane of the central five-membered ring of the pyrrolizine unit by 76.48 (12)°. This central ring has a twist conformation on the N—C(spiro) bond. The outer ring of the pyrrolizine unit has an envelope conformation with the N atom as the flap. The mean planes of these two fused rings are inclined to one another by 65.28 (15)°. The pyran ring has a screw-boat conformation and its mean plane makes a dihedral angle of 29.50 (11)° with the mean plane of the central five-membered ring of the pyrrolizine unit. In the crystal, molecules are linked via C—H...O hydrogen bonds, forming two-dimensional networks lying parallel to the ab plane.http://scripts.iucr.org/cgi-bin/paper?S1600536813029826
collection DOAJ
language English
format Article
sources DOAJ
author S. Lakshmi
G. Divya
R. Raghunathan
J. Naga Siva Rao
N. Latha
spellingShingle S. Lakshmi
G. Divya
R. Raghunathan
J. Naga Siva Rao
N. Latha
(4′-Acetyloxy-1,3,1′-trioxo-1,3,4,4a,4b,5,6,7,9,9a-decahydrospiro[indene-2,9′-pyrano[4,3-a]pyrrolizin]-3′-yl)methyl acetate
Acta Crystallographica Section E
author_facet S. Lakshmi
G. Divya
R. Raghunathan
J. Naga Siva Rao
N. Latha
author_sort S. Lakshmi
title (4′-Acetyloxy-1,3,1′-trioxo-1,3,4,4a,4b,5,6,7,9,9a-decahydrospiro[indene-2,9′-pyrano[4,3-a]pyrrolizin]-3′-yl)methyl acetate
title_short (4′-Acetyloxy-1,3,1′-trioxo-1,3,4,4a,4b,5,6,7,9,9a-decahydrospiro[indene-2,9′-pyrano[4,3-a]pyrrolizin]-3′-yl)methyl acetate
title_full (4′-Acetyloxy-1,3,1′-trioxo-1,3,4,4a,4b,5,6,7,9,9a-decahydrospiro[indene-2,9′-pyrano[4,3-a]pyrrolizin]-3′-yl)methyl acetate
title_fullStr (4′-Acetyloxy-1,3,1′-trioxo-1,3,4,4a,4b,5,6,7,9,9a-decahydrospiro[indene-2,9′-pyrano[4,3-a]pyrrolizin]-3′-yl)methyl acetate
title_full_unstemmed (4′-Acetyloxy-1,3,1′-trioxo-1,3,4,4a,4b,5,6,7,9,9a-decahydrospiro[indene-2,9′-pyrano[4,3-a]pyrrolizin]-3′-yl)methyl acetate
title_sort (4′-acetyloxy-1,3,1′-trioxo-1,3,4,4a,4b,5,6,7,9,9a-decahydrospiro[indene-2,9′-pyrano[4,3-a]pyrrolizin]-3′-yl)methyl acetate
publisher International Union of Crystallography
series Acta Crystallographica Section E
issn 1600-5368
publishDate 2013-12-01
description In the title compound, C23H23NO8, the dihedral angle between the five- and six-membered rings of the indene-dione moiety is 3.09 (13)°. The mean plane of the five-membered ring (which has a flat envelope conformation with the spiro C atom as the flap) is inclined to the mean plane of the central five-membered ring of the pyrrolizine unit by 76.48 (12)°. This central ring has a twist conformation on the N—C(spiro) bond. The outer ring of the pyrrolizine unit has an envelope conformation with the N atom as the flap. The mean planes of these two fused rings are inclined to one another by 65.28 (15)°. The pyran ring has a screw-boat conformation and its mean plane makes a dihedral angle of 29.50 (11)° with the mean plane of the central five-membered ring of the pyrrolizine unit. In the crystal, molecules are linked via C—H...O hydrogen bonds, forming two-dimensional networks lying parallel to the ab plane.
url http://scripts.iucr.org/cgi-bin/paper?S1600536813029826
work_keys_str_mv AT slakshmi 48242acetyloxy1318242trioxo1344a4b56799adecahydrospiroindene298242pyrano43apyrrolizin38242ylmethylacetate
AT gdivya 48242acetyloxy1318242trioxo1344a4b56799adecahydrospiroindene298242pyrano43apyrrolizin38242ylmethylacetate
AT rraghunathan 48242acetyloxy1318242trioxo1344a4b56799adecahydrospiroindene298242pyrano43apyrrolizin38242ylmethylacetate
AT jnagasivarao 48242acetyloxy1318242trioxo1344a4b56799adecahydrospiroindene298242pyrano43apyrrolizin38242ylmethylacetate
AT nlatha 48242acetyloxy1318242trioxo1344a4b56799adecahydrospiroindene298242pyrano43apyrrolizin38242ylmethylacetate
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