Boron Compounds; 69<sup>1</sup>. Introduction and Removal of<i>t</i>-Butyldimethylsilyl Groups via Diethylboryloxy Compounds
作者:Wilhelm V. Dahlhoff、Kalulu M. Taba
DOI:10.1055/s-1986-31703
日期:——
O-Diethylboryl compounds react with t-butyldimethylsilylacetylacetonate in the presence of trimethylsilyl triflate at room temperature to give the corresponding t-butyldimethylsilyl ethers, which are easily deprotected, forming O-diethylboryl ethers on reaction with tetraethyldiboroxane.
O-
二乙基硼基化合物在
三氟甲磺酸三甲基硅酯存在下与叔丁基二甲基甲
硅烷基
乙酰丙酮酯在室温下反应,得到相应的叔丁基二甲基甲
硅烷基醚,该醚很容易脱保护,与四乙基二
硼烷反应形成O-
二乙基硼基醚。