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Pyrano[4,3-b]pyran-2,5-dione, 1 — Einfache Synthese von Pyranopyrano-chinolintrionen

Publisher
Wiley (John Wiley & Sons)
Year
1993
Tongue
English
Weight
58 KB
Volume
126
Category
Article
ISSN
0009-2940

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3-[(1Z)-1-Hydr­oxy-3-oxobut-1-en-1-yl]-7
3-[(1Z)-1-Hydr­oxy-3-oxobut-1-en-1-yl]-7-methyl-2H,5H-pyrano[4,3-b]pyran-2,5-dione
✍ Bouhaine, N. ;Gherrou, A. ;Lee, A. van der 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 280 KB

The molecular structure of the title compound, C 13 H 10 O 6 , contains a cis-enol ring disordered with respect to the position of the hydroxyl proton. The crystal structure contains sheets perpendicular to the bc plane.