id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
iajs-766	Sultan, J. S.; Mukhlus, A. A.; Musa, F. H.	Synthesis, Spectroscopic and Biological Studies of Some Metal Complexes with 2,3,5,6- O,O,O,O-tetraacetic acid Lascorbic acid	2017	21	.pdf	application/pdf	5382	347	76	The spectrum of L measured in D2O showed resonances typical for C=O at 177 and peak at 43 ppm is due to O–CH2 [8,9], as in Table (1–2), (1–3), Figs. The carbonyl (C–I=O) stretching vibration is shifted towards a lower frequency at (1740–1730) cm –1 due to coordinate metal ion with lacton (C– I=O) and this band is assigned to (O–C=O) of lacton ring strongly suggest that the ligand acid ring is not ruptured in the course of the complexation.	cache/iajs-766.pdf	txt/iajs-766.txt