trifluorormethanesulfonic acid T=5 - 20°C; Cyclization; 2 h;

1: 94 percent / OXONE; H2O / tetrahydrofuran / 12 h / 0 - 20 °C 2: 99 percent / TfOH / 2 h / 5 - 20 °C View Scheme

bis(acetylacetonate)nickel(II); trimethylaluminum; 1,8-diazabicyclo[5.4.0]undec-7-ene; triphenylphosphine; phenol 1.) THF, hexane, RT, 2 h, 2.) THF, hexane, overnight; Yield givenMultistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

bis(acetylacetonate)nickel(II); air; trimethylaluminum; 1,8-diazabicyclo[5.4.0]undec-7-ene; triphenylphosphine; phenol 1.) hexane, THF, room temperature, 2 h, 2.) overnight; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;

暂无反应条件数据