## Abstract The molecular structures of the title compounds 3 and 5 were investigated by NMR and X‐ray structural methods. The NMR results suggest two equivalent halves for both molecules. The X‐ray study shows an approximate mirror plane for 3 and an approximate twofold axis for a significant port
✦ LIBER ✦
Reactions of triacetic acid lactone with carbonyl compounds. X-Ray structure determination of 3-acetoacetyl-2-chromenone and 3,6,9,12-tetramethyl-1H,6H,7H,12H-6,12-methanodipyrano[4,3-b:4,3-f]-dioxocin-1,7-dione
✍ Scribed by P. De March; M. Moreno-Mañas; J. L. Roca; G. Germain; J. F. Piniella; O. Dideberg
- Book ID
- 112128374
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1986
- Tongue
- English
- Weight
- 210 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0022-152X
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