id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
eurjchem-792	Guruswamy, Batthini; Arul, Rama Krishnan; Chaitan, Muggu Venkata Satya Rama Krishna; Darsi, Sai Subrahmanya Praveen Kumar	Synthesis and biological evaluation of novel β-hydroxy benzimidazolyl sulfone fluoroquinolones by selective oxidation using ammonium molybdate catalysed H2O2	2013	7	.pdf	application/pdf	5914	283	67	13C NMR (75 MHz, DMSO‐d6, ppm, δ): 18.41 (CH3), 50.16 (2×CH2), 54.51 (2×CH2), 60.28 ( CH2), 62.41 (CH), 64.51 (CH), 65.78 (CH2), 68.77 (CH2), 108.23 (CH), 109.36 (C), 115.36 (CH), 119.48 (C), 123.92 (CH), 131.23 (C), 135.33 (C), 141.63 (C), 146.34 (C), 151.53 (C), 154.62 (CH), 332 Guruswamy et al. / European Journal of Chemistry 4 (4) (2013) 329‐335 Scheme 3 166.73 (C=O), 177.07 (C=O). To a solution of compound 1 (100.0 g, 356 mmol) in acetonitrile (500 mL) and piperazine (45.92 g, 534 mmol) was stirred for 30 min at 25‐30 °C, added triethylamine (107.86 g, 1068 mmol) and heated the reaction mass to reflux, maintained for 12 h, progress of the reaction was monitored by TLC.	cache/eurjchem-792.pdf	txt/eurjchem-792.txt