Use of 2-phenylsulphonyl cyclic ethers in the preparation of tetrahydropyran and tetrahydrofuran acetals and in some glycosidation reactions.
作者:Dearg S. Brown、Steven V. Ley、Sadie Vile、Mervyn Thompson
DOI:10.1016/s0040-4020(01)86389-4
日期:1991.1
2-Phenylsulphonyl cyclic ethers undergo facile displacement of the sulphonyl group by alcohols, in the presence of magnesium bromide etherate and sodium bicarbonate in tetrahydrofuran, to give goodyields of the corresponding acetals.
2-苯基磺酰基环醚在四氢呋喃中的溴化镁醚化物和碳酸氢钠存在下,通过醇容易地置换磺酰基,以得到相应的缩醛的良好收率。