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 intramoleculardirectedaldolcondensation 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.