New synthesis of chalcogenolactones. 1H,3H-benzo[c]selenophen-1-one, 1H,3H-benzo[c]tellurophen-1-one and the related 3,4-dihydro-1H-2-benzoselenin-1-one and 3,4-dihydro-1H-2-benzotellurin-1-one
✍ Scribed by M. Loth-Compère; A. Luxen; Ph. Thibaut; L. Christiaens; M. Renson; M. Guillaume
- Book ID
- 112126343
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 1981
- Tongue
- English
- Weight
- 214 KB
- Volume
- 18
- Category
- Article
- ISSN
- 0022-152X
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📜 SIMILAR VOLUMES
The dihedral angles between the phenyl ring and the naphthalene part of the chromanone unit in the two independent molecules of the title compound, C~20~H~14~O~2~, are 56.17 (4) and 55.62 (7)°. The molecular structure is stabilized by weak intramolecular C—H...O interactions and the crystal packing
In the title compound, C 11 H 14 N 2 O, the diazepine ring adopts a skewed boat conformation. The molecule is stabilized by N-HÁ Á ÁO intermolecular hydrogen bonds, forming a zigzag chain parallel to the b axis.