N-苄基苯胺是抗组胺药安他唑啉及其他N-取代的苄基苯胺的主要代谢物。
化学性质N-苄基苯胺为柱状结晶,熔点在37-38℃之间,沸点在306-307℃,也可在201-203℃(4.93kPa)下蒸馏。闪点为152℃,相对密度为1.065(25/4℃)。该物质不溶于水,但易溶于乙醇、乙醚和氯仿。
用途N-苄基苯胺可用于合成精细有机化学品。
生产方法生产N-苄基苯胺的过程如下:首先将碳酸氢钠、水与苯胺混合并搅拌,加热至90-95℃,然后慢慢加入氯苄。在该温度下反应3小时后冷却,过滤,并将滤液分层,用饱和食盐水洗涤有机层,再用无水硫酸钠干燥。接下来进行减压蒸馏,在81℃(1.6kPa)收集馏分为回收苯胺,在170-190℃(1.6kPa)收集的馏分冷却固化,即得苄基苯胺。精制时可用石油醚重结晶,收率可达80%以上。
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
N-(对氯苄基)苯胺 | N-(p-chlorobenzyl)aniline | 4750-61-2 | C13H12ClN | 217.698 |
对苄氨基苯酚 | 4-(benzylamino)phenol | 103-14-0 | C13H13NO | 199.252 |
N,N-甲基苄基苯胺 | N-methyl-N-phenyl-benzenemethanamine | 614-30-2 | C14H15N | 197.28 |
N-苯基-4-甲氧基苄胺 | N-(4-methoxybenzyl)aniline | 3526-43-0 | C14H15NO | 213.279 |
硫苯甲醯胺苯 | N-Phenylbenzothioamide | 636-04-4 | C13H11NS | 213.303 |
N-苄基-N-苯基羟胺 | N-benzyl-N-phenylhydroxylamine | 3376-40-7 | C13H13NO | 199.252 |
N-苄基-2-碘苯胺 | N-benzyl-2-iodoaniline | 76464-99-8 | C13H12IN | 309.149 |
N-(2-碘苯基甲基)苯胺 | N-(2-iodobenzyl)aniline | 76464-90-9 | C13H12IN | 309.149 |
N-苯甲酰替苯胺 | N-phenyl benzoyl amide | 93-98-1 | C13H11NO | 197.236 |
N-苄基-2-氯苯胺 | N-benzyl-2-chloroaniline | 98018-66-7 | C13H12ClN | 217.698 |
Alpha-苄基苯基肼 | N-benzyl-N-phenylhydrazine | 614-31-3 | C13H14N2 | 198.268 |
N-苄基-2-溴苯胺 | N-benzyl-2-bromoaniline | 71687-81-5 | C13H12BrN | 262.149 |
N-(2-氯苄基)苯胺 | N-(2-chlorobenzyl)aniline | 41001-24-5 | C13H12ClN | 217.698 |
4-氨基苯甲酰苯胺 | N-(4-aminophenyl)benzamide | 17625-83-1 | C13H12N2O | 212.251 |
甲酰胺,N-苯基-N-(苯基甲基)- | N-benzylformanilide | 16350-99-5 | C14H13NO | 211.263 |
—— | N-benzyl-N-phenyl thioformamide | 36325-43-6 | C14H13NS | 227.33 |
4-氯苯 N-苯甲酰苯胺 | 4-chlorobenzanilide | 6833-15-4 | C13H10ClNO | 231.681 |
4-氟-N-苯基苯甲酰胺 | 4-fluoro-N-phenylbenzamide | 366-63-2 | C13H10FNO | 215.227 |
苯基-苯基氨基-乙腈 | 2-anilino-2-phenylacetonitrile | 4553-59-7 | C14H12N2 | 208.263 |
N,N-二苄基-4-氯苯胺 | N,N-dibenzyl-4-chloroaniline | 15429-21-7 | C20H18ClN | 307.823 |
亚硝基苄基苯胺 | N-benzyl-N-phenylnitrous amide | 612-98-6 | C13H12N2O | 212.251 |
—— | N-(o-bromophenyl)-o-bromobenzylamine | 25261-48-7 | C13H11Br2N | 341.045 |
—— | N-(2-chlorobenzyl)-2-chloroaniline | 88450-73-1 | C13H11Cl2N | 252.143 |
—— | N-allyl-N-benzylaniline | 31930-96-8 | C16H17N | 223.318 |
—— | N-benzyl-N-(2-propynyl)aniline | 2532-70-9 | C16H15N | 221.302 |
N-茴香酰胺 | N-(p-methoxyphenyl)benzamide | 7472-54-0 | C14H13NO2 | 227.263 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
N1-苄基苯-1,4-二胺 | N1-benzylbenzene-1,4-diamine | 17272-83-2 | C13H14N2 | 198.268 |
苄基对甲苯胺 | N-Benzyl-4-methylaniline | 5405-15-2 | C14H15N | 197.28 |
N-(4-氯-苯基)-苯甲酰胺 | N-(4-chlorophenyl)benzylamine | 2948-37-0 | C13H12ClN | 217.698 |
N-(4-溴苯基)-苯甲酰胺 | N-benzyl-N-(4-bromophenyl)amine | 2879-83-6 | C13H12BrN | 262.149 |
—— | p-(benzylamino)benzaldehyde | 518071-13-1 | C14H13NO | 211.263 |
N1-苄基苯-1,2-二胺 | N-benzyl-1,2-phenylenediamine | 5822-13-9 | C13H14N2 | 198.268 |
—— | 4-chloro-N-(4-chlorobenzyl)aniline | 13159-74-5 | C13H11Cl2N | 252.143 |
N,N-甲基苄基苯胺 | N-methyl-N-phenyl-benzenemethanamine | 614-30-2 | C14H15N | 197.28 |
—— | N,N'-dibenzylaminodiphenylmethane | 51050-64-7 | C27H26N2 | 378.517 |
—— | 4-Benzalaminoazobenzol | 10282-37-8 | C19H17N3 | 287.364 |
N-苄基-4-甲氧基苯胺 | N-benzyl-p-anisidine | 17377-95-6 | C14H15NO | 213.279 |
N-(1-苯基乙基)苯胺 | phenyl(1-phenylethyl)amine | 779-54-4 | C14H15N | 197.28 |
硫苯甲醯胺苯 | N-Phenylbenzothioamide | 636-04-4 | C13H11NS | 213.303 |
—— | N-benzyl-N-bromo-aniline | —— | C13H12BrN | 262.149 |
N-苄基-N-苯基羟胺 | N-benzyl-N-phenylhydroxylamine | 3376-40-7 | C13H13NO | 199.252 |
—— | o-(benzylamino)phenol | 46425-95-0 | C13H13NO | 199.252 |
N-苯甲酰替苯胺 | N-phenyl benzoyl amide | 93-98-1 | C13H11NO | 197.236 |
Alpha-苄基苯基肼 | N-benzyl-N-phenylhydrazine | 614-31-3 | C13H14N2 | 198.268 |
—— | α-deuterio-N-phenylbenzylamine | 57183-82-1 | C13H13N | 184.245 |
N-苯甲基-4-硝基苯胺 | N-benzyl-4-nitroaniline | 14309-92-3 | C13H12N2O2 | 228.25 |
—— | 4-Benzylamino-diphenylselenid | 62336-68-9 | C19H17NSe | 338.311 |
—— | N-(4-nitrobenzyl)aniline | 10359-18-9 | C13H12N2O2 | 228.25 |
N,N-二苄基苯胺 | N,N-dibenzylaniline | 91-73-6 | C20H19N | 273.378 |
N,N-二苯基苄胺 | N,N-diphenylbenzylamine | 606-87-1 | C19H17N | 259.351 |
—— | N-(diphenylmethyl)aniline | 1865-12-9 | C19H17N | 259.351 |
—— | N-benzyl-N-(4-methylbenzyl)aniline | 111978-56-4 | C21H21N | 287.404 |
—— | N-Benzyl-4-[(E)-(4-chlorophenyl)diazenyl]aniline | 110320-99-5 | C19H16ClN3 | 321.809 |
N-乙基-N-苄基苯胺 | N-benzyl-N-ethylaniline | 92-59-1 | C15H17N | 211.307 |
2-(苄基氨基)苄腈 | 2-(benzylamino)benzonitrile | 5589-62-8 | C14H12N2 | 208.263 |
—— | N-Benzyl-anilinoacetylen | 38488-71-0 | C15H13N | 207.275 |
甲酰胺,N-苯基-N-(苯基甲基)- | N-benzylformanilide | 16350-99-5 | C14H13NO | 211.263 |
N-苄基-2-氨基苯乙烯 | N-benzyl-2-vinylaniline | 210536-20-2 | C15H15N | 209.291 |
—— | N-benzyl-2,4-dibromoaniline | 81090-49-5 | C13H11Br2N | 341.045 |
N-(1-苯基丙基)苯胺 | N-(1-phenylpropyl)aniline | 22920-59-8 | C15H17N | 211.307 |
—— | N-Benzyl-2,4,6-trichloroaniline | 158019-18-2 | C13H10Cl3N | 286.588 |
—— | N-(1-phenylallyl)aniline | 35755-81-8 | C15H15N | 209.291 |
苯基-苯基氨基-乙腈 | 2-anilino-2-phenylacetonitrile | 4553-59-7 | C14H12N2 | 208.263 |
—— | N-(phenylmethyl-d2)aniline | 136295-03-9 | C13H13N | 185.237 |
N,N-联苄基-4-溴苯胺 | N,N-dibenzyl-4-bromoaniline | 65145-14-4 | C20H18BrN | 352.274 |
—— | N-(3-chloro-4-fluorophenyl)-benzenemethanamine | 131776-32-4 | C13H11ClFN | 235.688 |
亚硝基苄基苯胺 | N-benzyl-N-phenylnitrous amide | 612-98-6 | C13H12N2O | 212.251 |
N-苄基-2-(2-丙烯基)苯胺 | N-benzyl-2-allylaniline | 150596-82-0 | C16H17N | 223.318 |
—— | N-(3-nitrobenzyl)aniline | 3430-70-4 | C13H12N2O2 | 228.25 |
2-[苄基(苯基)氨基]-乙醇 | 2-(N-benzyl-N-phenylamino)ethanol | 33905-47-4 | C15H17NO | 227.306 |
(苄基苯基氨基)乙腈 | 2-(benzyl(phenyl)amino)acetonitrile | 36271-19-9 | C15H14N2 | 222.29 |
—— | N-benzyl-N-(2-chloroethyl)aniline | —— | C15H16ClN | 245.752 |
—— | p-(N-Benzylanilino)-phenol | 31310-73-3 | C19H17NO | 275.35 |
—— | N-allyl-N-benzylaniline | 31930-96-8 | C16H17N | 223.318 |
—— | N-benzyl-N-(2-propynyl)aniline | 2532-70-9 | C16H15N | 221.302 |
—— | N-(2-methyl-1-phenylpropyl)aniline | 145909-49-5 | C16H19N | 225.334 |
A variety of acetamide derivatives are reduced in excellent yields to tertiary amines by PhMeSiH2 in the presence of Cp2TiX2 (X = F or Me) catalysts. The reactions are very clean at 80 °C. At room temperature a secondary reaction, hydrogenolysis of the C(O)N bond, intervenes and reduces the chemoselectivity. Nevertheless, this chemistry provides a simple methodology for the amide/alkylamine transformation using inexpensive, commercially available reagents.Key words: amides, reduction, secondary amides, methylphenylsilane, titanocene, catalysis.