S. Ramkumar

Synthesis and Solvatochromic Studies on the Uv-Absorption Spectra of Symmetrical Azine Derived from 2,4-Dichlorobenzaldehyde

R. Rajalakshmi, S. Ramkumar & P. Arivuselvan · Asian Journal of Applied Chemistry Research · 2022

Absorption spectra of symmetrical azine derived from 2,4-dichlorobenzaldehyde have been recorded in various solvents in the range 200–400nm. The effects of solvents on the absorption spectra of investigated compound is interpreted by correlation of absorption maxima with Kirkwood...

Open access Research Article 10.9734/ajacr/2022/v11i330259

Synthesis and Spectral Characterization of Chalcone dervived from 6-Acetyl-2H-1,4-benzoxazin-(4H)-3-one: Single-crystal XRD, Hirshfeld Surface Analysis and DFT Calculations

R. Rajalakshmi, S. Ramkumar & A. Sripriya · Asian Journal of Chemical Sciences · 2022

Compound (E)- 6-(3-(p-tolyl)acryloyl)- 2H-benzo[b][1,4]oxazin-3(4H)- one [6TABO] with molecular formula C18H15NO3 was synthesized utilizing Claisen-Schmidt condensation technique. FT-IR and 1H NMR spectra were recorded to recognize the different utilitarian gatherings present in...

Open access Research Article 10.9734/ajocs/2022/v11i319122

Substituent Effect on the Infrared Spectra of Thiazolyl Styryl Ketone

R. Rajalakshmi, S. Ramkumar & R. Arulmani · Asian Journal of Applied Chemistry Research · 2021

A series of p-substituted thiazolyl styryl ketones were synthesized by the Claisen -Schmidt condensation of various substituted benzaldehydes with 5-acetyl-2,4-dimethyl thiazole. The IR spectra for all the chalcones were recorded and effect of substituent on the carbonyl and C=N...

Open access Research Article 10.9734/ajacr/2021/v10i3-430235