| Reference Type | Journal (article/letter/editorial) |
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| Title | 14-Acetyl-20-ethyl-1,8-dihydroxy-16,18-dimethoxylycoctonine |
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| Journal | Acta Crystallographica Section E Structure Reports Online |
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| Authors | Ahmad, Manzoor | Author |
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| Ali, Shamsher | Author |
| Shaheen, Farzana | Author |
| Anjum, Shazia | Author |
| Choudhary, M. Iqbal | Author |
| Year | 2006 (April 1) | Volume | 62 |
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| Issue | 4 |
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| Publisher | International Union of Crystallography (IUCr) |
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| DOI | doi:10.1107/s1600536806008944Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 460762 | Long-form Identifier | mindat:1:5:460762:9 |
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| GUID | 0 |
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| Full Reference | Ahmad, Manzoor, Ali, Shamsher, Shaheen, Farzana, Anjum, Shazia, Choudhary, M. Iqbal (2006) 14-Acetyl-20-ethyl-1,8-dihydroxy-16,18-dimethoxylycoctonine. Acta Crystallographica Section E Structure Reports Online, 62 (4) doi:10.1107/s1600536806008944 |
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| Plain Text | Ahmad, Manzoor, Ali, Shamsher, Shaheen, Farzana, Anjum, Shazia, Choudhary, M. Iqbal (2006) 14-Acetyl-20-ethyl-1,8-dihydroxy-16,18-dimethoxylycoctonine. Acta Crystallographica Section E Structure Reports Online, 62 (4) doi:10.1107/s1600536806008944 |
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| In | (2006, April) Acta Crystallographica Section E Structure Reports Online Vol. 62 (4) International Union of Crystallography (IUCr) |
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| Abstract/Notes | The title compound (C25H39NO6), a polycyclic diterpenoid alkaloid, has been isolated from Delphinium roylei Munz. Two cis-fused ring junctions are observed between cyclohexane A and piperidine E rings and between cyclohexane B and cyclopentane C rings. Two trans-fused ring junctions involve cyclohexane A and cyclopentane B rings and also piperidine E and cyclopentane F rings. Cyclopentane ring F is in a twist conformation, while the other cyclopentane ring, C, forms an envelope conformation. Piperidine ring E is in a chair conformation, the two cyclohexane rings A and B adopt twist–boat conformations and cyclohexane ring D is in a screw-boat conformation. Of the five substituents, only one is α-oriented. The molecules are packed along the c axis in layers parallel to the ab plane and stabilized by weak inter- and intramolecular O—H...O and O—H...N hydrogen bonds. |
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