A Mild and Efficient Catalytic Mannich-Type Reaction as a Simple Access to N-Benzyloxycarbonyl β-Amino Ketones¹
作者:Biswanath Das、Gandolla Reddy、Penagaluri Balasubramanyam、Boyapati Veeranjaneyulu
DOI:10.1055/s-0029-1218728
日期:2010.6
N-Benzyloxycarbonylamino sulfones react with aromatic ketones in the presence of catalytic amount of boron trifluoride-diethyl ether at room temperature to afford the corresponding protected β-amino ketones in high yields (71-87%). α-amido sulfones - stable imine precursors - aromatic ketones - BF3˙OEt2 - Lewis acids - β-amino ketones Part 200 in the series ‘Studies on Novel Synthetic Methodologies’
在室温下,在催化量的三氟化硼-乙醚存在下,N-苄氧基羰基氨基砜与芳族酮反应,以高收率(71-87%)得到相应的保护的β-氨基酮。 α-酰氨基砜-稳定亚胺前体-芳族酮- BF 3 OET 2 -路易斯酸- β氨基酮 系列“新型合成方法研究”的第200部分。