Observations on the scope of an intramolecular directed aldol condensation. A new synthesis of eight-membered rings
作者:G. Stuart Cockerill、Philip Kocienski
DOI:10.1039/c39830000705
日期:——
The TiCl4-catalysed intramolecular directed aldol condensation of silyl enol ethers and acetals can be used to make 6-, 7-, and 8-membered rings; a template effect of Ti is invoked to explain the formation of medium rings.
TiCl 4催化的甲硅烷基烯醇醚和乙缩醛的分子内定向羟醛缩合可用于制备6元,7元和8元环。调用Ti的模板效应来解释中环的形成。