Tetrahedron letters

Microwave-assisted synthesis of ethynylarylboronates for the construction of boronic acid-based fluorescent sensors for carbohydrates

SL Zheng, S Reid, N Lin, B Wang

Index: Zheng, Shi-Long; Reid, Suazette; Lin, Na; Wang, Binghe Tetrahedron Letters, 2006 , vol. 47, # 14 p. 2331 - 2335

Full Text: HTML

Citation Number: 34

Abstract

A reliable and operationally simple procedure for the synthesis of 2, 2-dimethylpropane-1, 3- diyl ethynylaryl boronates was developed. The key step is microwave-facilitated selective formation of 2, 2-dimethylpropane-1, 3-diyl trimethylsilylethynylaryl boronates by Sonogashira reaction from the corresponding bromides. The use of microwave was found to significantly improve the reaction yield and shorten the reaction time. The 2, 2- ...