SYNTHESIS AND ANTIBACTERIAL SCREENING OF FIVE NEW AZOMETHINE DERIVATIVES OF 2-AMINO-2-METHYL-1-PROPANOLAbstract
In this present investigation author reporting the anti-bacterial activity of five new azo methines, namely 2-((1-hydroxy-2- methyl propan-2-ylimino) methyl)-6-methoxyphenol (AZM1), 4-((1-hydroxy-2- methyl propan-2-ylimino) methyl)-6-methoxyphenol(AZM2), 4-((1-hydroxy-2-methyl propan-2-ylimino) methyl)-2,6,dimethxy phenol (AZM3), 2- (3, 4- dimethoxybenzylideneamino)- 2- methylpropan-1-ol (AZM4) and 2-(3,4,5-trimethoxybenzylideneamino)-2-methylpropan-1-ol (AZM5) against and Bacillus thuringiensis, E. coli bacteria. All new five novel Azomethines were synthesized by the condensation of 2-Amino-2-Methyl-1-Propanol with 2- Hydroxy- 3- methoxybenzaladehyde, 4-Hydroxy- 3- Methoxy-Benzaldehyde, 4- Hydroxy- 3, 5- Dimethoxy Benzaldehyde, 3,4-Dimethoxy Benzaldehyde and 3, 4, 5-Trimethoxy Benzaladehyde respectively, in methanol-water (1:1 ratio) at 42 ºC for 8 h. All the azomethines were characterized by UV, IR and thermal elemental analyzer. Anti-bacterial studies were carried out by using Paper disc diffusion method, beef extract is used as bacterial source, chloromphenicol and ketocanazole used as reference standards, five azomethines gave the following order of antibacterial activity and order of zone of inhibition was AZM5 (12mm) > AZM4 (7mm) > AZM3 (10mm) > AZM1 (9mm) > AZM2 (8mm) against E. coli and AZM5 (11mm) > AZM4 (10mm) > AZM3 (9mm) > AZM1 (7mm) >AZM2 (6mm) against Bacillus thuringiensis.
K. S. Babu, P. M. Reddy *, V. K. M. Naik and K. Ramanjaneyulu
Department of Chemistry, Sri Krishnadevaraya University, Anantapuramu, Andhra Pradesh, India.
30 December 2018
16 April 2019
13 August 2019
01 September 2019