Electrophilic amination of racemic and non-racemic allenyltitaniums. One-pot synthesis of α-hydrazinoalkynes from propargylic alcohol derivatives
作者:Duk Keun An、Koichiro Hirakawa、Sentaro Okamoto、Fumie Sato
DOI:10.1016/s0040-4039(99)00584-5
日期:1999.5
a reagent and dialkyl azodicarboxylates gave α-hydrazinoalkynes in good yields. The reaction, which proceeded with up to 86% chiral transfer, thus has opened up a newroute to opticallyactive α-hydrazinoalkynes from the opticallyactive propargylic compounds.