Dimethyl 2-(3-amino-4-oxo-4H-benzo[f]thieno[3,4-c]chromen-1-yl)fumarate
✍ Scribed by Döpp, Dietrich ;Sopbue Fondjo, Emmanuel ;Flörke, Ulrich ;Henkel, Gerald
- Publisher
- International Union of Crystallography
- Year
- 2006
- Tongue
- English
- Weight
- 254 KB
- Volume
- 62
- Category
- Article
- ISSN
- 1600-5368
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The title compound, C 22 H 18 FNO 3 , was synthesized by the reaction of 1-naphthol with ethyl cyanocaetate and 3-fluorobenzaldehyde in ethanol under microwave irradiation. In the crystal structure, there are intramolecular N-HÁ Á ÁO hydrogen bonds and intermolecular N-HÁ Á ÁO and N-HÁ Á ÁF hydrogen
The title compound, C 23 H 21 NO 4 , was synthesized by the reaction of 1-naphthol with ethyl cyanocaetate and 4methoxybenzaldehyde in ethanol under microwave irradiation. In the structure of C 23 H 21 NO 4 , there are intramolecular and intermolecular N-HÁ Á ÁO hydrogen bonds, also C-HÁ Á Á interac
The title compound, C 22 H 18 FNO 3 , was synthesized by the reaction of 1-naphthol with ethyl cyanocaetate and 4-fluorobenzaldehyde in ethanol under microwave irradiation. The pyran ring adopts a flattened envelope conformation. The molecular conformation and the crystal structure are stabilized by
## Abstract Four previously unknown polycyclic heterocyclic ring systems, namely, benzo[__h__]thieno[3′,2′:4,5]‐thieno[2,3‐__c__]quinoline (6), benzo[__h__]thieno[3′,2′:4,5]thieno[2,3‐__c__]quinoline (11), benzo[__f__]thieno‐[3′,2′:4,5]thieno[2,3‐__c__]tetrazolo[1,5‐__a__]quinoline (12) and benzo[_