2,4,4,6-Tetrabromo-2,5-cyclohexadienone (TABCO) as a Versatile, Efficient, and Chemoselective Catalyst for the Acetalization and Transacetalization of Carbonyl Compounds, the Preparation of Acetonides from Epoxides and Acylals (1,1-Diacetates) from Aldehydes
作者:Habib Firouzabadi、Nasser Iranpoor、Hamid Reza Shaterian
DOI:10.1246/bcsj.75.2195
日期:2002.10
The efficient and chemoselective preparation of acetals and ketals from carbonyl compounds, transacetalization reactions, the conversion of epoxides to acetonides, and the preparation of acylals from aldehydes in the presence of catalytic amounts of 2,4,4,6-tetrabromo-2,5-cyclohexadienone (TABCO) are described.
介绍了在催化量的2,4,4,6-四溴-2,5-环己二烯酮(TABCO)存在下,从羰基化合物高效且化学选择性地制备缩醛和缩酮、缩醛交换反应、环氧化合物转化为乙缩醛以及醛制备酰缩醛的方法。