A New Synthetic Method for Cyclic Allenes and Acetylenes. Cleavage of a C-C Bond Directed by a Silyl Group
作者:Masaharu Sugai、Keiji Tanino、Isao Kuwajima
DOI:10.1055/s-1997-6150
日期:1997.6
A new synthetic method for medium-sized cyclic allenes and acetylenes was developed on the basis of a C-C bond cleavage directed by a silyl group. An enol triflate derived from 6-(silylmethyl)-10-siloxybicyclo[4.4.0]decan-2-one was heated at 150 °C in DMF to afford ten-membered allene in good yield. A cyclodecyne derivative was also prepared from the regioisomeric enol triflate.