Copper catalyzed aryl amidation between N<sup>α</sup>-Fmoc-protected amino-acid azides and aryl boronic acids
作者:L. Roopesh Kumar、Vishwanatha Thimmalapura、Veladi Panduranga、Mandipogula Mahesh、P. Venkata Ramana、Vommina V. Sureshbabu
DOI:10.1080/00397911.2019.1704008
日期:2020.2.16
for the synthesis of aryl amides via oxidative copper-catalyzed coupling of commercially available aryl boronic acids and bench stable Nα-protected amino-acid azides is reported. The potential utility of this protocol is demonstrated through a survey of diversely substituted aryl boronic acids and several side-chain functionalized amino-acid azides, leading to the preparation of the desired amidated
A simple, eco-sustainable method for the N-(9-fluorenylmethoxycarbonyl) (N-Fmoc) protection of various structurally amines under ultrasonic irradiation is reported. The corresponding N- Fmoc derivatives were obtained in good to excellent yields within short reaction time. The reaction proceeds without the formation of any side product. Mildness, efficiency and easier work are the main advantages of this new protocol.
A Simple One-Step Conversion of Carboxylic Acids to Esters Using EEDQ
作者:Boulos Zacharie、Timothy P. Connolly、Christopher L. Penney