化学性质
白色棱状结晶。熔点为215-216℃(或207℃),沸点在100℃时为1.06×10^-3kPa。它能溶于热水、醇和醚,并且与氢氧化钾溶液反应呈现橙色,几乎不溶于冷水。
用途
用作药物和染料的中间体。
生产方法
可由乙酰苯胺经硝化制得。具体步骤为:将675kg 98%硫酸加入硝化锅中,在20-25℃条件下搅拌,并在2-2.5小时内逐步加入225kg 99%的乙酰苯胺,待完全溶解后降温至7℃,于4-7℃下约20小时滴加混酸(由63kg水、60kg 98%硫酸及107kg 96%硝酸配制而成)。滴加完毕后,稀释在4000L冰水中,静置1小时。虹吸分离上层废酸,将下层物料过滤,并用水洗涤至中性即得4-硝基乙酰苯胺。另一种制法是通过对硝基苯胺经乙酰化得到。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2-羟基亚氨基-N-(4-硝基苯基)-乙酰胺 | N-(α-Oximino-acetyl)-4-nitro-anilin | 17122-62-2 | C8H7N3O4 | 209.161 |
N-乙酰基-4-硝基苯基羟胺 | N-hydroxy-N-(4-nitrophenyl)acetamide | 67274-52-6 | C8H8N2O4 | 196.163 |
乙酰乙酰对硝基苯胺 | N-(4-nitrophenyl)-3-oxobutanamide | 4835-39-6 | C10H10N2O4 | 222.2 |
—— | N-chloro-p-nitroacetanilide | 79272-04-1 | C8H7ClN2O3 | 214.608 |
—— | N-(4-nitrophenyl)ethanethioamide | 10319-77-4 | C8H8N2O2S | 196.23 |
4′-氨基乙酰苯胺 | N-acetyl-p-phenylenediamine | 122-80-5 | C8H10N2O | 150.18 |
4-硝基苯胺 | 4-nitro-aniline | 100-01-6 | C6H6N2O2 | 138.126 |
对二硝基苯 | para-dinitrobenzene | 100-25-4 | C6H4N2O4 | 168.109 |
N-乙酰苯胺 | Acetanilid | 103-84-4 | C8H9NO | 135.166 |
—— | N-(4-azidophenyl)acetamide | 52578-66-2 | C8H8N4O | 176.178 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
N-乙基-对-硝基苯胺 | N-Ethyl-4-nitroanilin | 3665-80-3 | C8H10N2O2 | 166.18 |
N-甲基-N-(4-硝基苯基)乙酰胺 | N-methyl-4-nitroacetanilide | 121-95-9 | C9H10N2O3 | 194.19 |
N-乙酰基-4-硝基苯基羟胺 | N-hydroxy-N-(4-nitrophenyl)acetamide | 67274-52-6 | C8H8N2O4 | 196.163 |
—— | 2-chloro-N-(4-nitrophenyl)propanamide | 147372-40-5 | C9H9ClN2O3 | 228.635 |
N-乙基-N-(4-硝基苯基)-乙酰胺 | N-ethyl-N-(4-nitrophenyl)acetamide | 1826-56-8 | C10H12N2O3 | 208.217 |
—— | N-(4-Hydroxyamino-phenyl)-acetamide | 84319-22-2 | C8H10N2O2 | 166.18 |
—— | N-chloro-p-nitroacetanilide | 79272-04-1 | C8H7ClN2O3 | 214.608 |
—— | N-(4-nitrophenyl)ethanethioamide | 10319-77-4 | C8H8N2O2S | 196.23 |
—— | 4-nitro-diacetanilide | 91573-21-6 | C10H10N2O4 | 222.2 |
—— | N-acetyl-4-nitrodiphenylamine | 7418-39-5 | C14H12N2O3 | 256.261 |
4′-氨基乙酰苯胺 | N-acetyl-p-phenylenediamine | 122-80-5 | C8H10N2O | 150.18 |
N,N'-二乙酰-1,4-苯二胺 | N,N'-diacetyl-1,4-phenylenediamine | 140-50-1 | C10H12N2O2 | 192.217 |
N-[4-(乙胺基)苯基]乙酰胺 | 4-ethylaminoacetanilide | 91811-13-1 | C10H14N2O | 178.234 |
—— | N-(2-iodo-4-nitrophenyl)acetamide | 19591-18-5 | C8H7IN2O3 | 306.06 |
—— | N-Nitroso-4-nitro-acetanilid | 10557-68-3 | C8H7N3O4 | 209.161 |
N-(2-氯-4-硝基苯基)乙酰胺 | N-(2-chloro-4-nitrophenyl)acetamide | 881-87-8 | C8H7ClN2O3 | 214.608 |
2-氟-4-硝基乙酰苯胺 | 2-fluoro-4-nitroacetanilide | 348-19-6 | C8H7FN2O3 | 198.154 |
N-(2-溴-4-硝基苯基)乙酰胺 | N-(2-bromo-4-nitrophenyl)acetamide | 57045-86-0 | C8H7BrN2O3 | 259.059 |
2-甲基-4-硝基乙酰苯胺 | 2-methyl-4-nitroacetanilide | 2719-15-5 | C9H10N2O3 | 194.19 |
4-硝基苯胺 | 4-nitro-aniline | 100-01-6 | C6H6N2O2 | 138.126 |
—— | N-Acetyl-N-(4-nitrophenyl)glycine | 99072-44-3 | C10H10N2O5 | 238.2 |
4-(二甲基氨基)乙酰苯胺 | N'-acetyl-N,N-dimethyl-1,4-phenylenediamine | 7463-28-7 | C10H14N2O | 178.234 |
对二硝基苯 | para-dinitrobenzene | 100-25-4 | C6H4N2O4 | 168.109 |
—— | N-(2,6-dichloro-4-nitrophenyl)acetamide | 17742-68-6 | C8H6Cl2N2O3 | 249.053 |
4′-氨基-N-甲基乙酰苯胺 | 4-(N-methylacetamido)aniline | 119-63-1 | C9H12N2O | 164.207 |
4-二乙基氨基乙酰苯胺 | N-(4-diethylamino-phenyl)-acetamide | 5326-57-8 | C12H18N2O | 206.288 |
—— | N,N'-Bis- |
35773-20-7 | C14H12N4O4 | 300.274 |
N-(2,4-二硝基苯基)乙酰胺 | 2,4-dinitroacetanilide | 610-53-7 | C8H7N3O5 | 225.161 |
—— | N-(4-(sec-butylamino)phenyl)acetamide | 317321-35-0 | C12H18N2O | 206.288 |
—— | N-(4-azidophenyl)acetamide | 52578-66-2 | C8H8N4O | 176.178 |
4'-硝基苯甲酰苯胺 | p-nitrobenzanilide | 3393-96-2 | C13H10N2O3 | 242.234 |
—— | N-(2-ethyl-4-nitrophenyl)acetamide | 91880-37-4 | C10H12N2O3 | 208.217 |
Nanosized perovskite-type SmFeO3 powder, prepared through the thermal decomposition of Sm[Fe(CN)6].4H2O with an average particle diameter of 28 nm and a specific surface area of 42 m2 g−1, was used as a recyclable heterogeneous catalyst for the efficient and selective reduction of aromatic nitro compounds into the corresponding amines by using propan-2-ol as a hydrogen donor (reducing agent) and KOH as a promoter under microwave irradiation. This highly regio- and chemoselective catalytic method is fast, clean, inexpensive, high yielding and also compatible with the substrates containing easily reducible functional groups. In addition, the nanosized SmFeO3 catalyst can be reused without loss of activity.