chemistry1

Nitration 133 Phloroglucinol (25) is more susceptible to oxidation than both phenol and resorcinol. How- ever, its direct nitrat ...

134 Synthetic Routes to AromaticC-Nitro Compounds Nitration of m-nitroaniline (28) with fuming nitric acid and oleum yields 2,3, ...

Nitration 135 reconcentrated, but at considerable expense. Another source of pollution is from ‘red water’, the aqueous washing ...

136 Synthetic Routes to AromaticC-Nitro Compounds Olah and Lin^47 reported obtaining pure TNB (2) in 50 % yield from the nitrati ...

Nitration 137 NO 2 NO 2 NO 2 NO 2 NO 2 + ++ (1,5-) (1,8-) NO 2 NO 2 NO 2 NO 2 NO 2 (1,3,5-) NO 2 NO 2 (1,4,5-) NO 2 NO 2 (1,3,8- ...

138 Synthetic Routes to AromaticC-Nitro Compounds Topchiev^7 has given an extensive discussion of nitrating conditions used, and ...

Nitration 139 is the higher concentration of protonated carboxylic acid in the 100 % sulfuric acid. Studies have shown that nitr ...

140 Synthetic Routes to AromaticC-Nitro Compounds fluorosulfuric,^85 ,^86 trifluoromethanesulfonic^86 (triflic) and methanesulfo ...

Nitration 141 4.3.4.4 Nitric acid–acid anhydrides A solution of nitric acid in acetic anhydride is a versatile reagent for nitro ...

142 Synthetic Routes to AromaticC-Nitro Compounds synthesis of picryl chloride (80 %) and picryl fluoride (40 %) from 2,4-dinitr ...

Nitration 143 useful for acid sensitive substrates.^117 Solutions of copper (II) nitrate and ferric (III) nitrate in acetic anhy ...

144 Synthetic Routes to AromaticC-Nitro Compounds nitration of methoxybenzoic acid (anisic acid).^132 Picric acid has been prepa ...

Nitramine rearrangement 145 yields a nitrosophenol, which is then oxidized to a nitrophenol on reaction with nitric acid; the la ...

146 Synthetic Routes to AromaticC-Nitro Compounds CH 3 NH 2 36 NO 2 O 2 N NHNO 2 37 O 2 N CH 3 NO 2 CH 3 NH 2 38 O 2 NNO 2 NO 2 ...

Nitramine rearrangement 147 attempted isolation of numerous nitramines from the nitration of aromatic amines has led to the isol ...

148 Synthetic Routes to AromaticC-Nitro Compounds 4.6 Reaction of diazonium salts with nitrite anion Sandmeyer-type reactions ar ...

References 63 H. G. Adolph, W. M. Koppes and M. E. Sitzmann,J. Chem. Eng. Data., 1986, 31 , 119. D. L. Ross, C. L. Coon, M. E. ...

Oxidation of arylamines, arylhydroxylamines and other derivatives 149 1,2,4- and 1,2,3-trinitrobenzenes were formed from the iso ...

150 Synthetic Routes to AromaticC-Nitro Compounds Peroxydisulfuric acid (H 2 S 2 O 8 ) is one of the most powerful peroxyacid ox ...

Oxidation of arylamines, arylhydroxylamines and other derivatives 151 Table 4.1 Oxidation of arylamines and their derivatives wi ...