3-Benzoylmethylene-1-methyl-3,4-dihydroquinoxalin-2(1H)-one
✍ Scribed by Liu, Yun ;Lu, Zhi-Feng ;Shen, Yong-Miao ;Xu, Jian-Hua
- Publisher
- International Union of Crystallography
- Year
- 2005
- Tongue
- English
- Weight
- 114 KB
- Volume
- 61
- Category
- Article
- ISSN
- 1600-5368
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The title compound was synthesized by adding benzohydrazide (0.136 g, 1 mmol) to an absolute ethanol solution (30 ml) containing 3-[bis(methylsulfanyl)methylene]dihydro-6-methyl-3H-pyran-2,4-dione (0.232 g, 1 mmol). The mixture was stirred for 5.5 h at room temperature. The product was obtained by s
The title compound, also known as intricatinol, C~17~H~14~O~5~, is a homoisoflavanoid that was isolated for the first time from the twigs and stems of __Caesalpinia digyna__ Rottler. The pyran ring is in an envelope form. O—H...O intramolecular hydrogen bonds are observed. Symmetry-related molecules