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New synthesis of 3-amino-1H-benzo[f]chromene-2-carbonitriles

✍ Scribed by Osipov, D. V.; Osyanin, V. A.; Klimochkin, Yu. N.

Book ID
120163281
Publisher
SP MAIK Nauka/Interperiodica
Year
2013
Tongue
English
Weight
195 KB
Volume
49
Category
Article
ISSN
1070-4280

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✍ Yu, Chen-Xia ;Shi, Da-Qing ;Wang, Xiang-Shan ;Zhuang, Qi-Ya 📂 Article 📅 2004 🏛 International Union of Crystallography 🌐 English ⚖ 365 KB

The title compound, C 22 H 18 N 2 O 4 , was synthesized by the reaction of 7-methoxy-2-tetralone and 3,4-methylenedioxybenzylidenemalononitrile in the presence of triethylbenzylammonium chloride in an aqueous medium. X-ray analysis reveals that the pyran ring and the fused six-membered ring adopt bo