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Table 4 Abbreviations, colours and melting points of isolated adduct using N-(2, 4-DN1NL) PTS as charge transfer reagent

From: Potentials of N-(2, 4-dinitro-1-naphthyl)-p-toluenesulphonamide and 2, 4-dinitro-1-naphthol as novel charge transfer acceptors in pharmaceutical analysis of some quinolones and cephalosporins

S. no

Abbreviation of adducts

Melting point °C

Colour of adducts

1

SPA-N-(2,4-DN1NL) PTS

168–170

Light golden yellow

2

NOR-N-(2,4-DN1NL) PTS

155–157

Golden yellow

3

OFL-N-(2,4-DN1NL) PTS

201–204

Golden yellow

4

CFR-N-(2,4-DN1NL) PTS

208–210

Golden yellow

5

CFT-N-(2,4-DN1NL) PTS

176–178

Light golden yellow

6

CFU-N-(2,4-DN1NL) PTS

158–160

Pale golden yellow