Fluorinated chromenes. Synthesis of 6,7-dimethoxy-2-methyl-2-trifluoromethyl-2H-chromene
✍ Scribed by F. Camps; J. Coll; A. Messeguer; M. A. Pericás
- Book ID
- 112125924
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1980
- Tongue
- English
- Weight
- 124 KB
- Volume
- 17
- Category
- Article
- ISSN
- 0022-152X
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The title compound, C~16~H~11~ClO~2~, is a synthetic flavonoid. The fused-ring system is almost planar, with a mean deviation from the least-squares plane of 0.0204 (2) Å. The dihedral angle between the chromene group and the chlorophenyl ring is 50.9 (6)°, due to unfavourable steric interactions wi
Single-crystal X-ray study T = 100 K Mean (C-C) = 0.004 A R factor = 0.056 wR factor = 0.105 Data-to-parameter ratio = 12.2 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org/e.