The photochemistry of benzotriazole derivatives. Part 2: photolysis of 1-substituted benzotriazole arylhydrazones: new route to phenanthridin-6-yl-2-phenyldiazines

Nader A Al-Jalal; Maher R Ibrahim; Nouria A Al-Awadi; Mohamed H Elnagdi

doi:10.3390/molecules161210256

The photochemistry of benzotriazole derivatives. Part 2: photolysis of 1-substituted benzotriazole arylhydrazones: new route to phenanthridin-6-yl-2-phenyldiazines

Molecules. 2011 Dec 8;16(12):10256-68. doi: 10.3390/molecules161210256.

Authors

Nader A Al-Jalal¹, Maher R Ibrahim, Nouria A Al-Awadi, Mohamed H Elnagdi

Affiliation

¹ Department of Chemistry, Faculty of Science, Kuwait University, P.O. Box 5969, Safat 13060, Kuwait. nader.aljalal@ku.edu.kw

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.

Publication types

Research Support, Non-U.S. Gov't

MeSH terms

Crystallography, X-Ray
Hydrazones / chemistry*
Molecular Conformation
Phenanthridines / chemical synthesis*
Phenanthridines / chemistry*
Photolysis*
Triazoles / chemical synthesis
Triazoles / chemistry*

Substances

Hydrazones
Phenanthridines
Triazoles
benzotriazole