tetrahydrofuran; THF,ether THF,ether,1.)adding of organo-lithium compound at 20 deg C, then 10h 2.)adding of H3O(+) at 20 deg C; Yield given. Multistep reaction;
1.)adding of organo-metallic compound at 20 deg C, then 2h at 35 deg C, 2.)adding of CH3CHO at 0 deg C, then 1h at 20 deg C; Yield given. Multistep reaction;
THF,ether 1.)adding of organo-lithium compound at 20 deg C, then 1h, 2.)adding of BuBr/HMPT at 20 deg C, then 1h at 80 deg C; Yield given. Multistep reaction;
