Diethyl 3H-naphtho[2,1-b]pyran-2,3-dicarboxyl­ate

The sp (3)-hybridized methine C atom in the title compound, C(19)H(18)O(5), lies out of the mean plane of the remaining 13 atoms of the naphthopyran fused-ring system by 0.571 (1) Å, and its H atom occupies a pseudo-equatorial site.

Detalles Bibliográficos
Autores principales: Asiri, Abdullah Mohamed, Ng, Seik Weng
Formato: Texto
Lenguaje:English
Publicado: International Union of Crystallography 2009
Materias:
Organic Papers
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2968793/
https://www.ncbi.nlm.nih.gov/pubmed/21582490
http://dx.doi.org/10.1107/S1600536809008691
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author Asiri, Abdullah Mohamed
Ng, Seik Weng
author_facet Asiri, Abdullah Mohamed
Ng, Seik Weng
author_sort Asiri, Abdullah Mohamed
collection PubMed
description The sp (3)-hybridized methine C atom in the title compound, C(19)H(18)O(5), lies out of the mean plane of the remaining 13 atoms of the naphthopyran fused-ring system by 0.571 (1) Å, and its H atom occupies a pseudo-equatorial site.
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spelling pubmed-29687932010-12-30 Diethyl 3H-naphtho[2,1-b]pyran-2,3-dicarboxyl­ate Asiri, Abdullah Mohamed Ng, Seik Weng Acta Crystallogr Sect E Struct Rep Online Organic Papers The sp (3)-hybridized methine C atom in the title compound, C(19)H(18)O(5), lies out of the mean plane of the remaining 13 atoms of the naphthopyran fused-ring system by 0.571 (1) Å, and its H atom occupies a pseudo-equatorial site. International Union of Crystallography 2009-03-14 /pmc/articles/PMC2968793/ /pubmed/21582490 http://dx.doi.org/10.1107/S1600536809008691 Text en © Asiri and Ng 2009 http://creativecommons.org/licenses/by/2.0/uk/ This is an open-access article distributed under the terms of the Creative Commons Attribution Licence, which permits unrestricted use, distribution, and reproduction in any medium, provided the original authors and source are cited.
spellingShingle Organic Papers
Asiri, Abdullah Mohamed
Ng, Seik Weng
Diethyl 3H-naphtho[2,1-b]pyran-2,3-dicarboxyl­ate
title Diethyl 3H-naphtho[2,1-b]pyran-2,3-dicarboxyl­ate
title_full Diethyl 3H-naphtho[2,1-b]pyran-2,3-dicarboxyl­ate
title_fullStr Diethyl 3H-naphtho[2,1-b]pyran-2,3-dicarboxyl­ate
title_full_unstemmed Diethyl 3H-naphtho[2,1-b]pyran-2,3-dicarboxyl­ate
title_short Diethyl 3H-naphtho[2,1-b]pyran-2,3-dicarboxyl­ate
title_sort diethyl 3h-naphtho[2,1-b]pyran-2,3-dicarboxyl­ate
topic Organic Papers
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2968793/
https://www.ncbi.nlm.nih.gov/pubmed/21582490
http://dx.doi.org/10.1107/S1600536809008691
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AT ngseikweng diethyl3hnaphtho21bpyran23dicarboxylate

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