中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2-苯基乙酰苯胺 | 2,N-diphenylacetamide | 621-06-7 | C14H13NO | 211.263 |
—— | N-methyl-2-oxo-N,2-diphenylacetamide | 71910-56-0 | C15H13NO2 | 239.274 |
N-甲基乙酰苯胺 | N-acetyl-N-methylaniline | 579-10-2 | C9H11NO | 149.192 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
2-苯基乙酰苯胺 | 2,N-diphenylacetamide | 621-06-7 | C14H13NO | 211.263 |
—— | N-methyl-2-oxo-N,2-diphenylacetamide | 71910-56-0 | C15H13NO2 | 239.274 |
N-甲基-N-(2-苯基乙基)苯胺 | N-methyl-N-(2-phenylethyl)aniline | 28059-49-6 | C15H17N | 211.307 |
—— | N-Methyl-N,2-diphenyl-2-(methylthio)acetamid | 63017-95-8 | C16H17NOS | 271.383 |
—— | 2-diazo-N-methyl-N,2-diphenylacetamide | 175467-46-6 | C15H13N3O | 251.288 |
—— | N-methyl-N-phenylacetyl-anthranilic acid amide | 21411-08-5 | C16H16N2O2 | 268.315 |
—— | N-methyl-N,2-diphenylethanethioamide | —— | C15H15NS | 241.357 |
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.