Synthesis of alkyl N-(4-nitrophenyl)-3/2-oxomorpholine-2/3-carboxylates by rhodium(II) acetate catalyzed O–H and N–H carbene insertion
作者:Uroš Trstenjak、Janez Ilaš、Danijel Kikelj
DOI:10.1016/j.tetlet.2013.04.049
日期:2013.6
The synthesis of methyl N-(4-nitrophenyl)-3-oxomorpholine-2-carboxylate and ethyl N-(4-nitrophenyl)-2-oxomorpholine-3-carboxylate, via rhodium(II) acetate catalyzed intermolecular O–H and intramolecular N–H carbene insertion, is described. The products represent new and versatile building blocks for the synthesis of bioactive compounds of pharmaceutical interest.
甲基的合成ñ - (4-硝基苯基)-3-氧代吗啉-2-羧酸乙酯和ñ - (4-硝基苯基)-2-氧代吗啉-3-羧酸乙酯,通过铑(II),乙酸催化分子间O - H和分子内描述了N–H卡宾的插入。该产品代表了用于合成具有药物意义的生物活性化合物的新型多功能部件。