Tandem enyne allene-radical cyclization via base-catalyzed isomerization of enediyne sulfones
作者:Janet Wisniewski Grissom、Detlef Klingberg
DOI:10.1016/00404-0399(50)1366-p
日期:1995.9
Enediyne sulfones 12–16 undergo a base-catalyzedisomerization to the corresponding enyne allenes followed by a tandem enyne allene-radical cyclization at 37 °C to provide 2,3-dihydrobenz[e]indenes 17–21 in good yields.
烯炔砜12-16经过碱催化异构化为相应的烯炔丙二烯,然后在37°C下串联烯炔丙烯-自由基环化,以高收率提供2,3-二氢苯并[ e ]茚17-21。