Yb/TMS-Br promoted homocoupling reactions of aliphatic ketones and α,β-unsaturated ketones
作者:Yuki Taniguchi、Manabu Nakahashi、Tatsuhiro Kuno、Masumi Tsuno、Yoshikazu Makioka、Ken Takaki、Yuzo Fujiwara
DOI:10.1016/s0040-4039(00)73126-1
日期:1994.6
Ytterbium metal reacts with trimethylsilyl bromide (TMS-Br) to give divalent YbBr2. YbBr2 thus formed in situ, causes coupling reactions of aliphatic ketones and α,β-unsaturated ketones to give bissilylated 1,2-diols and 1,6-ketones, respectively, in good yields.
metal金属与三甲基硅烷基溴化物(TMS-Br)反应生成二价YbBr 2。由此原位形成的YbBr 2引起脂肪族酮和α,β-不饱和酮的偶联反应,分别以高收率得到双甲硅烷基化的1,2-二醇和1,6-酮。