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Molecules 2011, 16(12), 10256-10268; doi:10.3390/molecules161210256
Article

The Photochemistry of Benzotriazole Derivatives. Part 2: Photolysis of 1-Substituted Benzotriazole Arylhydrazones: New Route to Phenanthridin-6-yl-2-phenyldiazines

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Received: 11 November 2011; in revised form: 23 November 2011 / Accepted: 28 November 2011 / Published: 8 December 2011
(This article belongs to the Section Organic Synthesis)
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Abstract: Irradiation of 1-substituted benzotriazole arylhydrazones 3a–c, 4a,b and 5a,b with a 16 W low pressure mercury arc-lamp (254 nm) for 24 h gave phenanthridin-6-yl-2-phenyldiazines 9a–c, phenanthridin-6(5H)-ones 10a–c, 1-anilinobenzimidazoles 11a–c, 2-aryl-1H-benzimidazoles 12a–c, 1-arylamino-1H-benzimidazol-2-carboxylic acid ethyl esters 14a,b, 1-aryl-1H, 9H-benzo [4,5][1,2,3] triazolo[1,2-a]tetrazole-3-carboxylic acid ethyl esters 16a,b, 1-arylamino-2-benzoylbenzimidazoles 18a,b and 2-benzoylbenzoxazole 21.
Keywords: 1,2,3-benzotriazole; phenanthridin-6-yl-2-phenyldiazine; phenanthridin-6(5H)-one; 1-anilinobenzimidazole; 1H-benzimidazole; 2-benzoyl-1H-benzoxazole; photolysis 1,2,3-benzotriazole; phenanthridin-6-yl-2-phenyldiazine; phenanthridin-6(5H)-one; 1-anilinobenzimidazole; 1H-benzimidazole; 2-benzoyl-1H-benzoxazole; photolysis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Al-Jalal, N.A.; Ibrahim, M.R.; Al-Awadi, N.A.; Elnagdi, M.H. The Photochemistry of Benzotriazole Derivatives. Part 2: Photolysis of 1-Substituted Benzotriazole Arylhydrazones: New Route to Phenanthridin-6-yl-2-phenyldiazines. Molecules 2011, 16, 10256-10268.

AMA Style

Al-Jalal NA, Ibrahim MR, Al-Awadi NA, Elnagdi MH. The Photochemistry of Benzotriazole Derivatives. Part 2: Photolysis of 1-Substituted Benzotriazole Arylhydrazones: New Route to Phenanthridin-6-yl-2-phenyldiazines. Molecules. 2011; 16(12):10256-10268.

Chicago/Turabian Style

Al-Jalal, Nader A.; Ibrahim, Maher R.; Al-Awadi, Nouria A.; Elnagdi, Mohamed H. 2011. "The Photochemistry of Benzotriazole Derivatives. Part 2: Photolysis of 1-Substituted Benzotriazole Arylhydrazones: New Route to Phenanthridin-6-yl-2-phenyldiazines." Molecules 16, no. 12: 10256-10268.


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