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3′,7′,7′-Trimethyl-1′-phenyl-5′,6′,7′,8′-tetrahydrospiro[indoline-3,4′-(1H,4H-pyrazolo[3,4-b]chromene)]-2,5′-dione
The title spirooxindole compound, C(26)H(23)N(3)O(3), was prepared by the reaction of isatin, 3-methyl-1-phenyl-2-pyrazolin-5-one and 5,5-dimethylcyclohexane-1,3-dione in an ethanol solution. The fused cyclohexene ring adopts an envelope conformation. The dihedral angle between the aromatic and...
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Formato: | Texto |
Lenguaje: | English |
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International Union of Crystallography
2010
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3011720/ https://www.ncbi.nlm.nih.gov/pubmed/21589419 http://dx.doi.org/10.1107/S1600536810045253 |
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author | Zhao, Li-Qin Li, Bin Li, Yi-Qun |
author_facet | Zhao, Li-Qin Li, Bin Li, Yi-Qun |
author_sort | Zhao, Li-Qin |
collection | PubMed |
description | The title spirooxindole compound, C(26)H(23)N(3)O(3), was prepared by the reaction of isatin, 3-methyl-1-phenyl-2-pyrazolin-5-one and 5,5-dimethylcyclohexane-1,3-dione in an ethanol solution. The fused cyclohexene ring adopts an envelope conformation. The dihedral angle between the aromatic and pyrazoline rings is 23.70 (8)°. An intramolecular C—H⋯O interaction occurs. The crystal structure is stabilized by N—H⋯N hydrogen-bonding interactions, leading to a zigzag chain along the b axis. |
format | Text |
id | pubmed-3011720 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2010 |
publisher | International Union of Crystallography |
record_format | MEDLINE/PubMed |
spelling | pubmed-30117202010-12-30 3′,7′,7′-Trimethyl-1′-phenyl-5′,6′,7′,8′-tetrahydrospiro[indoline-3,4′-(1H,4H-pyrazolo[3,4-b]chromene)]-2,5′-dione Zhao, Li-Qin Li, Bin Li, Yi-Qun Acta Crystallogr Sect E Struct Rep Online Organic Papers The title spirooxindole compound, C(26)H(23)N(3)O(3), was prepared by the reaction of isatin, 3-methyl-1-phenyl-2-pyrazolin-5-one and 5,5-dimethylcyclohexane-1,3-dione in an ethanol solution. The fused cyclohexene ring adopts an envelope conformation. The dihedral angle between the aromatic and pyrazoline rings is 23.70 (8)°. An intramolecular C—H⋯O interaction occurs. The crystal structure is stabilized by N—H⋯N hydrogen-bonding interactions, leading to a zigzag chain along the b axis. International Union of Crystallography 2010-11-10 /pmc/articles/PMC3011720/ /pubmed/21589419 http://dx.doi.org/10.1107/S1600536810045253 Text en © Zhao et al. 2010 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 Zhao, Li-Qin Li, Bin Li, Yi-Qun 3′,7′,7′-Trimethyl-1′-phenyl-5′,6′,7′,8′-tetrahydrospiro[indoline-3,4′-(1H,4H-pyrazolo[3,4-b]chromene)]-2,5′-dione |
title | 3′,7′,7′-Trimethyl-1′-phenyl-5′,6′,7′,8′-tetrahydrospiro[indoline-3,4′-(1H,4H-pyrazolo[3,4-b]chromene)]-2,5′-dione |
title_full | 3′,7′,7′-Trimethyl-1′-phenyl-5′,6′,7′,8′-tetrahydrospiro[indoline-3,4′-(1H,4H-pyrazolo[3,4-b]chromene)]-2,5′-dione |
title_fullStr | 3′,7′,7′-Trimethyl-1′-phenyl-5′,6′,7′,8′-tetrahydrospiro[indoline-3,4′-(1H,4H-pyrazolo[3,4-b]chromene)]-2,5′-dione |
title_full_unstemmed | 3′,7′,7′-Trimethyl-1′-phenyl-5′,6′,7′,8′-tetrahydrospiro[indoline-3,4′-(1H,4H-pyrazolo[3,4-b]chromene)]-2,5′-dione |
title_short | 3′,7′,7′-Trimethyl-1′-phenyl-5′,6′,7′,8′-tetrahydrospiro[indoline-3,4′-(1H,4H-pyrazolo[3,4-b]chromene)]-2,5′-dione |
title_sort | 3′,7′,7′-trimethyl-1′-phenyl-5′,6′,7′,8′-tetrahydrospiro[indoline-3,4′-(1h,4h-pyrazolo[3,4-b]chromene)]-2,5′-dione |
topic | Organic Papers |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3011720/ https://www.ncbi.nlm.nih.gov/pubmed/21589419 http://dx.doi.org/10.1107/S1600536810045253 |
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