Synthesis of Substituted Phenylazocoumarin Ring by Condensation of Activated Nitriles, 4-Hydroxy-5-Phenylazo Salicylaldehyde and Ketones by Means of Ammonium Acetate.
El-Hossini, A. (2021). Synthesis of Substituted Phenylazocoumarin Ring by Condensation of Activated Nitriles, 4-Hydroxy-5-Phenylazo Salicylaldehyde and Ketones by Means of Ammonium Acetate.. EKB Journal Management System, 20(2), 11-16. doi: 10.21608/bfemu.2021.161823
Abd El-Latief Mohamed El-Hossini. "Synthesis of Substituted Phenylazocoumarin Ring by Condensation of Activated Nitriles, 4-Hydroxy-5-Phenylazo Salicylaldehyde and Ketones by Means of Ammonium Acetate.". EKB Journal Management System, 20, 2, 2021, 11-16. doi: 10.21608/bfemu.2021.161823
El-Hossini, A. (2021). 'Synthesis of Substituted Phenylazocoumarin Ring by Condensation of Activated Nitriles, 4-Hydroxy-5-Phenylazo Salicylaldehyde and Ketones by Means of Ammonium Acetate.', EKB Journal Management System, 20(2), pp. 11-16. doi: 10.21608/bfemu.2021.161823
El-Hossini, A. Synthesis of Substituted Phenylazocoumarin Ring by Condensation of Activated Nitriles, 4-Hydroxy-5-Phenylazo Salicylaldehyde and Ketones by Means of Ammonium Acetate.. EKB Journal Management System, 2021; 20(2): 11-16. doi: 10.21608/bfemu.2021.161823

Synthesis of Substituted Phenylazocoumarin Ring by Condensation of Activated Nitriles, 4-Hydroxy-5-Phenylazo Salicylaldehyde and Ketones by Means of Ammonium Acetate.

MEJ- Mansoura Engineering Journal
Article 16, Volume 20, Issue 2, June 1995, Page 11-16  XML PDF (85.17 K)
Document Type: Research Studies
DOI: 10.21608/bfemu.2021.161823
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Author
Abd El-Latief Mohamed El-Hossini*
Textile Engineering Department., Faculty of Engineering., El-Mansoura University., Mansoura., Egypt.
Abstract
Several new arylazocoumarin ( 4-9 )were prepared by the direct condensation of cyanoacetamide or ethyl cyanoacetate with 5-phenylazo-4- hydroxysalicylaldehyde and ketones in the presence of ammonium acetate. 
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